commit:     2ab1d293f6a880b9111284c26e7e71458604fa30
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sun Aug 28 14:46:09 2016 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sun Aug 28 16:19:25 2016 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=2ab1d293

sys-devel/llvm: Bump to 3.9.0rc3

 profiles/base/package.use.mask                     |   6 +
 sys-devel/llvm/Manifest                            |   6 +
 ...e-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch |   0
 ...clang-runtime-into-usr-lib-without-suffix.patch |   0
 ...make-Make-CLANG_LIBDIR_SUFFIX-overridable.patch |   0
 .../clang/darwin_prefix-include-paths.patch        |   0
 .../llvm/files/3.9.0/clang/default-libs.patch      | 703 +++++++++++++++++++++
 .../clang/gentoo-runtime-gcc-detection-v3.patch    |   0
 ...ll-compiler-rt-into-usr-lib-without-suffi.patch |  25 +
 .../llvm/files/{3.8.1 => 3.9.0}/lldb/six.patch     |   0
 .../files/{3.8.1 => 3.9.0}/llvm-config-r1.patch    |   0
 sys-devel/llvm/llvm-3.5.0.ebuild                   |   4 +-
 sys-devel/llvm/llvm-3.5.2.ebuild                   |   4 +-
 sys-devel/llvm/llvm-3.6.2.ebuild                   |   4 +-
 sys-devel/llvm/llvm-3.7.1-r3.ebuild                |   8 +-
 sys-devel/llvm/llvm-3.8.0-r3.ebuild                |  12 +-
 sys-devel/llvm/llvm-3.8.1-r2.ebuild                |  14 +-
 sys-devel/llvm/llvm-3.8.1.ebuild                   |  12 +-
 ...{llvm-3.8.0-r3.ebuild => llvm-3.9.0_rc3.ebuild} |  97 ++-
 sys-devel/llvm/llvm-9999.ebuild                    |   5 +-
 20 files changed, 818 insertions(+), 82 deletions(-)

diff --git a/profiles/base/package.use.mask b/profiles/base/package.use.mask
index bcfb9bb..4f9d441 100644
--- a/profiles/base/package.use.mask
+++ b/profiles/base/package.use.mask
@@ -5,6 +5,12 @@
 # This file requires >=portage-2.1.1
 # New entries go on top.
 
+# Michał Górny <mgo...@gentoo.org> (28 Aug 2016)
+# lldb fails to build in the current RC, and needs a lot of minor fixes.
+# It's no longer available in -9999 line, and it won't be in 3.9.0
+# either unless somebody steps up to fix it.
+>=sys-devel/llvm-3.9.0_rc lldb
+
 # Thomas Deutschmann <whi...@gentoo.org> (26 Aug 2016)
 # It's only supported on amd64, ia64, powerpc and x86
 dev-db/percona-server numa

diff --git a/sys-devel/llvm/Manifest b/sys-devel/llvm/Manifest
index 20d4862..0d46bfc 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -4,21 +4,25 @@ DIST cfe-3.6.2.src.tar.xz 8617576 SHA256 
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 DIST cfe-3.7.1.src.tar.xz 9110616 SHA256 
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 WHIRLPOOL 
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 DIST cfe-3.8.0.src.tar.xz 9627228 SHA256 
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 DIST cfe-3.8.1.src.tar.xz 9605548 SHA256 
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+DIST cfe-3.9.0rc3.src.tar.xz 10390412 SHA256 
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 DIST clang-tools-extra-3.5.0.src.tar.xz 216256 SHA256 
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 DIST clang-tools-extra-3.5.2.src.tar.xz 215804 SHA256 
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 DIST clang-tools-extra-3.6.2.src.tar.xz 248624 SHA256 
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 DIST clang-tools-extra-3.7.1.src.tar.xz 277476 SHA256 
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 DIST clang-tools-extra-3.8.0.src.tar.xz 334072 SHA256 
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 DIST clang-tools-extra-3.8.1.src.tar.xz 334768 SHA256 
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+DIST clang-tools-extra-3.9.0rc3.src.tar.xz 455376 SHA256 
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 DIST compiler-rt-3.5.0.src.tar.xz 1088352 SHA256 
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 DIST compiler-rt-3.5.2.src.tar.xz 1093000 SHA256 
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 DIST compiler-rt-3.6.2.src.tar.xz 1128080 SHA256 
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 DIST compiler-rt-3.7.1.src.tar.xz 1181772 SHA256 
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 DIST compiler-rt-3.8.0.src.tar.xz 1270128 SHA256 
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 DIST compiler-rt-3.8.1.src.tar.xz 1263312 SHA256 
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+DIST compiler-rt-3.9.0rc3.src.tar.xz 1377852 SHA256 
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 DIST lldb-3.7.1.src.tar.xz 10650524 SHA256 
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 DIST lldb-3.8.0.src.tar.xz 10929768 SHA256 
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 DIST lldb-3.8.1.src.tar.xz 10928220 SHA256 
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+DIST lldb-3.9.0rc3.src.tar.xz 13754856 SHA256 
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 DIST llvm-3.5.0-manpages.tar.bz2 35314 SHA256 
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 DIST llvm-3.5.0.src.tar.xz 11735940 SHA256 
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 DIST llvm-3.5.2.src.tar.xz 11876128 SHA256 
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@@ -29,3 +33,5 @@ DIST llvm-3.7.1.src.tar.xz 14592544 SHA256 
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 DIST llvm-3.8.0-manpages.tar.bz2 37889 SHA256 
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 DIST llvm-3.8.0.src.tar.xz 16580932 SHA256 
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 DIST llvm-3.8.1.src.tar.xz 16551472 SHA256 
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+DIST llvm-3.9.0_rc3-manpages.tar.bz2 80007 SHA256 
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+DIST llvm-3.9.0rc3.src.tar.xz 18235444 SHA256 
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diff --git 
a/sys-devel/llvm/files/3.8.1/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
 
b/sys-devel/llvm/files/3.9.0/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
similarity index 100%
rename from 
sys-devel/llvm/files/3.8.1/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
rename to 
sys-devel/llvm/files/3.9.0/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch

diff --git 
a/sys-devel/llvm/files/3.8.1/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
 
b/sys-devel/llvm/files/3.9.0/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
similarity index 100%
rename from 
sys-devel/llvm/files/3.8.1/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
rename to 
sys-devel/llvm/files/3.9.0/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch

diff --git 
a/sys-devel/llvm/files/3.8.1/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
 
b/sys-devel/llvm/files/3.9.0/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
similarity index 100%
rename from 
sys-devel/llvm/files/3.8.1/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
rename to 
sys-devel/llvm/files/3.9.0/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch

diff --git a/sys-devel/llvm/files/3.8.1/clang/darwin_prefix-include-paths.patch 
b/sys-devel/llvm/files/3.9.0/clang/darwin_prefix-include-paths.patch
similarity index 100%
rename from sys-devel/llvm/files/3.8.1/clang/darwin_prefix-include-paths.patch
rename to sys-devel/llvm/files/3.9.0/clang/darwin_prefix-include-paths.patch

diff --git a/sys-devel/llvm/files/3.9.0/clang/default-libs.patch 
b/sys-devel/llvm/files/3.9.0/clang/default-libs.patch
new file mode 100644
index 00000000..12ef52d
--- /dev/null
+++ b/sys-devel/llvm/files/3.9.0/clang/default-libs.patch
@@ -0,0 +1,703 @@
+From 2d354bfbb2f5efdf3f6b2405078f9ccb65c21536 Mon Sep 17 00:00:00 2001
+From: Jonas Hahnfeld <hahnf...@itc.rwth-aachen.de>
+Date: Wed, 27 Jul 2016 08:15:54 +0000
+Subject: [PATCH] Support setting default value for -rtlib at build time
+
+This patch introduces a new cmake variable: CLANG_DEFAULT_RTLIB, thru
+which we can specify a default value for -rtlib (libgcc or
+compiler-rt) at build time, just like how we set the default C++
+stdlib thru CLANG_DEFAULT_CXX_STDLIB.
+
+With these two options, we can configure clang to build binaries on
+Linux that have no runtime dependence on any gcc libs (libstdc++ or
+libgcc_s).
+
+Patch by Lei Zhang!
+
+Differential Revision: https://reviews.llvm.org/D22663
+
+git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@276848 
91177308-0d34-0410-b5e6-96231b3b80d8
+---
+ CMakeLists.txt                      | 10 +++++
+ include/clang/Config/config.h.cmake |  3 ++
+ lib/Driver/ToolChain.cpp            | 22 ++++++-----
+ lib/Driver/ToolChains.cpp           | 23 ++++++-----
+ lib/Driver/ToolChains.h             |  2 +
+ test/Driver/linux-ld.c              | 76 ++++++++++++++++++-------------------
+ test/Driver/miamcu-opt.c            | 14 +++----
+ test/Driver/miamcu-opt.cpp          |  2 +-
+ test/Driver/mingw-libgcc.c          | 24 ++++++------
+ test/Driver/mingw.cpp               | 14 +++----
+ test/Driver/mips-mti-linux.c        |  4 +-
+ test/Driver/sanitizer-ld.c          |  2 +-
+ test/Driver/windows-cross.c         |  2 +-
+ test/OpenMP/linking.c               | 18 +++++----
+ 14 files changed, 121 insertions(+), 95 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index cfcd221..aec4579 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -201,6 +201,16 @@ if (NOT(CLANG_DEFAULT_CXX_STDLIB STREQUAL "" OR
+   set(CLANG_DEFAULT_CXX_STDLIB "")
+ endif()
+ 
++set(CLANG_DEFAULT_RTLIB "" CACHE STRING
++  "Default runtime library to use (\"libgcc\" or \"compiler-rt\", empty for 
platform default)")
++if (NOT(CLANG_DEFAULT_RTLIB STREQUAL "" OR
++        CLANG_DEFAULT_RTLIB STREQUAL "libgcc" OR
++        CLANG_DEFAULT_RTLIB STREQUAL "compiler-rt"))
++  message(WARNING "Resetting default rtlib to use platform default")
++  set(CLANG_DEFAULT_RTLIB "" CACHE STRING
++    "Default runtime library to use (\"libgcc\" or \"compiler-rt\", empty for 
platform default)" FORCE)
++endif()
++
+ set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING
+   "Default OpenMP runtime used by -fopenmp.")
+ 
+diff --git a/include/clang/Config/config.h.cmake 
b/include/clang/Config/config.h.cmake
+index e5a1d0d..9200ed9 100644
+--- a/include/clang/Config/config.h.cmake
++++ b/include/clang/Config/config.h.cmake
+@@ -11,6 +11,9 @@
+ /* Default C++ stdlib to use. */
+ #define CLANG_DEFAULT_CXX_STDLIB "${CLANG_DEFAULT_CXX_STDLIB}"
+ 
++/* Default runtime library to use. */
++#define CLANG_DEFAULT_RTLIB "${CLANG_DEFAULT_RTLIB}"
++
+ /* Default OpenMP runtime used by -fopenmp. */
+ #define CLANG_DEFAULT_OPENMP_RUNTIME "${CLANG_DEFAULT_OPENMP_RUNTIME}"
+ 
+diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
+index e96688c..b825d63 100644
+--- a/lib/Driver/ToolChain.cpp
++++ b/lib/Driver/ToolChain.cpp
+@@ -526,15 +526,19 @@ void ToolChain::addProfileRTLibs(const 
llvm::opt::ArgList &Args,
+ 
+ ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType(
+     const ArgList &Args) const {
+-  if (Arg *A = Args.getLastArg(options::OPT_rtlib_EQ)) {
+-    StringRef Value = A->getValue();
+-    if (Value == "compiler-rt")
+-      return ToolChain::RLT_CompilerRT;
+-    if (Value == "libgcc")
+-      return ToolChain::RLT_Libgcc;
+-    getDriver().Diag(diag::err_drv_invalid_rtlib_name)
+-      << A->getAsString(Args);
+-  }
++  const Arg* A = Args.getLastArg(options::OPT_rtlib_EQ);
++  StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_RTLIB;
++
++  // "platform" is only used in tests to override CLANG_DEFAULT_RTLIB
++  if (LibName == "compiler-rt")
++    return ToolChain::RLT_CompilerRT;
++  else if (LibName == "libgcc")
++    return ToolChain::RLT_Libgcc;
++  else if (LibName == "platform")
++    return GetDefaultRuntimeLibType();
++
++  if (A)
++    getDriver().Diag(diag::err_drv_invalid_rtlib_name) << 
A->getAsString(Args);
+ 
+   return GetDefaultRuntimeLibType();
+ }
+diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
+index 347aa29..6027bbf 100644
+--- a/lib/Driver/ToolChains.cpp
++++ b/lib/Driver/ToolChains.cpp
+@@ -400,17 +400,22 @@ void DarwinClang::AddLinkSanitizerLibArgs(const ArgList 
&Args,
+       /*AddRPath*/ true);
+ }
+ 
++ToolChain::RuntimeLibType DarwinClang::GetRuntimeLibType(
++    const ArgList &Args) const {
++  if (Arg* A = Args.getLastArg(options::OPT_rtlib_EQ)) {
++    StringRef Value = A->getValue();
++    if (Value != "compiler-rt")
++      getDriver().Diag(diag::err_drv_unsupported_rtlib_for_platform)
++          << Value << "darwin";
++  }
++
++  return ToolChain::RLT_CompilerRT;
++}
++
+ void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
+                                         ArgStringList &CmdArgs) const {
+-  // Darwin only supports the compiler-rt based runtime libraries.
+-  switch (GetRuntimeLibType(Args)) {
+-  case ToolChain::RLT_CompilerRT:
+-    break;
+-  default:
+-    getDriver().Diag(diag::err_drv_unsupported_rtlib_for_platform)
+-        << Args.getLastArg(options::OPT_rtlib_EQ)->getValue() << "darwin";
+-    return;
+-  }
++  // Call once to ensure diagnostic is printed if wrong value was specified
++  GetRuntimeLibType(Args);
+ 
+   // Darwin doesn't support real static executables, don't link any runtime
+   // libraries with -static.
+diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
+index 369712f..fe570fd 100644
+--- a/lib/Driver/ToolChains.h
++++ b/lib/Driver/ToolChains.h
+@@ -573,6 +573,8 @@ public:
+   /// @name Apple ToolChain Implementation
+   /// {
+ 
++  RuntimeLibType GetRuntimeLibType(const llvm::opt::ArgList &Args) const 
override;
++
+   void AddLinkRuntimeLibArgs(const llvm::opt::ArgList &Args,
+                              llvm::opt::ArgStringList &CmdArgs) const 
override;
+ 
+diff --git a/test/Driver/linux-ld.c b/test/Driver/linux-ld.c
+index f9f4b48..87bd55f 100644
+--- a/test/Driver/linux-ld.c
++++ b/test/Driver/linux-ld.c
+@@ -16,7 +16,7 @@
+ // CHECK-LD-32: "-L[[SYSROOT]]/usr/lib"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-unknown-linux \
++// RUN:     --target=x86_64-unknown-linux -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+ // RUN:   | FileCheck --check-prefix=CHECK-LD-64 %s
+@@ -36,7 +36,7 @@
+ // CHECK-LD-64: "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-unknown-linux-gnux32 \
++// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+ // RUN:   | FileCheck --check-prefix=CHECK-LD-X32 %s
+@@ -86,7 +86,7 @@
+ // CHECK-LD-RT-ANDROID: libclang_rt.builtins-arm-android.a"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-unknown-linux \
++// RUN:     --target=x86_64-unknown-linux -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+ // RUN:     --rtlib=libgcc \
+@@ -107,7 +107,7 @@
+ // CHECK-LD-GCC: "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-unknown-linux \
++// RUN:     --target=x86_64-unknown-linux -rtlib=platform \
+ // RUN:     -static-libgcc \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+@@ -128,7 +128,7 @@
+ // CHECK-LD-64-STATIC-LIBGCC: "-lgcc" "-lgcc_eh"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-unknown-linux \
++// RUN:     --target=x86_64-unknown-linux -rtlib=platform \
+ // RUN:     -static \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+@@ -149,7 +149,7 @@
+ //
+ // Check that flags can be combined. The -static dominates.
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-unknown-linux \
++// RUN:     --target=x86_64-unknown-linux -rtlib=platform \
+ // RUN:     -static-libgcc -static \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+@@ -1004,42 +1004,42 @@
+ //
+ // Test linker invocation on Android.
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm-linux-androideabi \
++// RUN:     --target=arm-linux-androideabi -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm-linux-android \
++// RUN:     --target=arm-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=aarch64-linux-android \
++// RUN:     --target=aarch64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm64-linux-android \
++// RUN:     --target=arm64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mipsel-linux-android \
++// RUN:     --target=mipsel-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mips64el-linux-android \
++// RUN:     --target=mips64el-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=i686-linux-android \
++// RUN:     --target=i686-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-linux-android \
++// RUN:     --target=x86_64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID %s
+@@ -1052,48 +1052,48 @@
+ // CHECK-ANDROID-NOT: "gcc_s"
+ // CHECK-ANDROID: "{{.*}}{{/|\\\\}}crtend_android.o"
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm-linux-androideabi \
++// RUN:     --target=arm-linux-androideabi -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -shared \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-SO %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm-linux-android \
++// RUN:     --target=arm-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -shared \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-SO %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=aarch64-linux-android \
++// RUN:     --target=aarch64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -shared \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-SO %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm64-linux-android \
++// RUN:     --target=arm64-linux-android -rtlib=platform \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -shared \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-SO %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mipsel-linux-android \
++// RUN:     --target=mipsel-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -shared \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-SO %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mips64el-linux-android \
++// RUN:     --target=mips64el-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -shared \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-SO %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=i686-linux-android \
++// RUN:     --target=i686-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -shared \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-SO %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-linux-android \
++// RUN:     --target=x86_64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -shared \
+@@ -1108,47 +1108,47 @@
+ // CHECK-ANDROID-SO-NOT: "gcc_s"
+ // CHECK-ANDROID-SO: "{{.*}}{{/|\\\\}}crtend_so.o"
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm-linux-androideabi \
++// RUN:     --target=arm-linux-androideabi -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -static \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-STATIC %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm-linux-android \
++// RUN:     --target=arm-linux-android -rtlib=platform \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -static \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-STATIC %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=aarch64-linux-android \
++// RUN:     --target=aarch64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -static \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-STATIC %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm64-linux-android \
++// RUN:     --target=arm64-linux-android -rtlib=platform \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -static \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-STATIC %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mipsel-linux-android \
++// RUN:     --target=mipsel-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -static \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-STATIC %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mips64el-linux-android \
++// RUN:     --target=mips64el-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -static \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-STATIC %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=i686-linux-android \
++// RUN:     --target=i686-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -static \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-STATIC %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-linux-android \
++// RUN:     --target=x86_64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -static \
+@@ -1162,49 +1162,49 @@
+ // CHECK-ANDROID-STATIC-NOT: "gcc_s"
+ // CHECK-ANDROID-STATIC: "{{.*}}{{/|\\\\}}crtend_android.o"
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm-linux-androideabi \
++// RUN:     --target=arm-linux-androideabi -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot  \
+ // RUN:     -pie \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-PIE %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm-linux-android \
++// RUN:     --target=arm-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -pie \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-PIE %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=aarch64-linux-android \
++// RUN:     --target=aarch64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot  \
+ // RUN:     -pie \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-PIE %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=arm64-linux-android \
++// RUN:     --target=arm64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot  \
+ // RUN:     -pie \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-PIE %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mipsel-linux-android \
++// RUN:     --target=mipsel-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -pie \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-PIE %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mips64el-linux-android \
++// RUN:     --target=mips64el-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -pie \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-PIE %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=i686-linux-android \
++// RUN:     --target=i686-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -pie \
+ // RUN:   | FileCheck --check-prefix=CHECK-ANDROID-PIE %s
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=x86_64-linux-android \
++// RUN:     --target=x86_64-linux-android -rtlib=platform \
+ // RUN:     --gcc-toolchain="" \
+ // RUN:     --sysroot=%S/Inputs/basic_android_tree/sysroot \
+ // RUN:     -pie \
+diff --git a/test/Driver/miamcu-opt.c b/test/Driver/miamcu-opt.c
+index 7f96998..577bd37 100644
+--- a/test/Driver/miamcu-opt.c
++++ b/test/Driver/miamcu-opt.c
+@@ -1,13 +1,13 @@
+ // REQUIRES: clang-driver
+ // REQUIRES: x86-registered-target
+ //
+-// RUN: %clang -miamcu -no-canonical-prefixes %s -### -o %t.o 2>&1 | 
FileCheck %s
+-// RUN: %clang -miamcu -no-canonical-prefixes -m32 %s -### -o %t.o 2>&1 | 
FileCheck %s
+-// RUN: %clang -miamcu -no-canonical-prefixes -target 
x86_64-unknown-linux-gnu %s -### -o %t.o 2>&1 | FileCheck %s
+-// RUN: %clang -mno-iamcu -miamcu -no-canonical-prefixes %s -### -o %t.o 2>&1 
| FileCheck %s
+-// RUN: %clang -miamcu -no-canonical-prefixes -m64 %s -### -o %t.o 2>&1 | 
FileCheck %s -check-prefix=M64
+-// RUN: %clang -miamcu -no-canonical-prefixes -dynamic %s -### -o %t.o 2>&1 | 
FileCheck %s -check-prefix=DYNAMIC
+-// RUN: %clang -miamcu -no-canonical-prefixes  -target armv8-eabi %s -### -o 
%t.o 2>&1 | FileCheck %s -check-prefix=NOT-X86
++// RUN: %clang -miamcu -rtlib=platform -no-canonical-prefixes %s -### -o %t.o 
2>&1 | FileCheck %s
++// RUN: %clang -miamcu -rtlib=platform -no-canonical-prefixes -m32 %s -### -o 
%t.o 2>&1 | FileCheck %s
++// RUN: %clang -miamcu -rtlib=platform -no-canonical-prefixes -target 
x86_64-unknown-linux-gnu %s -### -o %t.o 2>&1 | FileCheck %s
++// RUN: %clang -mno-iamcu -miamcu -rtlib=platform -no-canonical-prefixes %s 
-### -o %t.o 2>&1 | FileCheck %s
++// RUN: %clang -miamcu -rtlib=platform -no-canonical-prefixes -m64 %s -### -o 
%t.o 2>&1 | FileCheck %s -check-prefix=M64
++// RUN: %clang -miamcu -rtlib=platform -no-canonical-prefixes -dynamic %s 
-### -o %t.o 2>&1 | FileCheck %s -check-prefix=DYNAMIC
++// RUN: %clang -miamcu -rtlib=platform -no-canonical-prefixes  -target 
armv8-eabi %s -### -o %t.o 2>&1 | FileCheck %s -check-prefix=NOT-X86
+ // RUN: %clang -miamcu -mno-iamcu -no-canonical-prefixes -target 
x86_64-unknown-linux-gnu %s -### -o %t.o 2>&1 | FileCheck %s 
-check-prefix=MNOIAMCU
+ 
+ // M64: error: invalid argument '-miamcu' not allowed with '-m64'
+diff --git a/test/Driver/miamcu-opt.cpp b/test/Driver/miamcu-opt.cpp
+index 6c8d755..b63c455 100644
+--- a/test/Driver/miamcu-opt.cpp
++++ b/test/Driver/miamcu-opt.cpp
+@@ -1,3 +1,3 @@
+-// RUN: %clang -miamcu %s -### -o %t.o 2>&1 | FileCheck %s
++// RUN: %clang -miamcu -rtlib=platform %s -### -o %t.o 2>&1 | FileCheck %s
+ 
+ // CHECK: error: the clang compiler does not support 'C++ for IAMCU'
+diff --git a/test/Driver/mingw-libgcc.c b/test/Driver/mingw-libgcc.c
+index 75a5696..1d45c91 100644
+--- a/test/Driver/mingw-libgcc.c
++++ b/test/Driver/mingw-libgcc.c
+@@ -2,24 +2,24 @@
+ // Verified with gcc version 5.1.0 (i686-posix-dwarf-rev0, Built by MinGW-W64 
project).
+ 
+ // gcc, static
+-// RUN: %clang -v -target i686-pc-windows-gnu -### %s 2>&1 | FileCheck 
-check-prefix=CHECK_STATIC %s
+-// RUN: %clang -static -v -target i686-pc-windows-gnu -### %s 2>&1 | 
FileCheck -check-prefix=CHECK_STATIC %s
+-// RUN: %clang -static-libgcc -v -target i686-pc-windows-gnu -### %s 2>&1 | 
FileCheck -check-prefix=CHECK_STATIC %s
+-// RUN: %clang -static -shared -v -target i686-pc-windows-gnu -### %s 2>&1 | 
FileCheck -check-prefix=CHECK_STATIC %s
+-// RUN: %clang -static-libgcc -shared -v -target i686-pc-windows-gnu -### %s 
2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
++// RUN: %clang -v -target i686-pc-windows-gnu -rtlib=platform -### %s 2>&1 | 
FileCheck -check-prefix=CHECK_STATIC %s
++// RUN: %clang -static -v -target i686-pc-windows-gnu -rtlib=platform -### %s 
2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
++// RUN: %clang -static-libgcc -v -target i686-pc-windows-gnu -rtlib=platform 
-### %s 2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
++// RUN: %clang -static -shared -v -target i686-pc-windows-gnu -rtlib=platform 
-### %s 2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
++// RUN: %clang -static-libgcc -shared -v -target i686-pc-windows-gnu 
-rtlib=platform -### %s 2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
+ 
+ // gcc, dynamic
+-// RUN: %clang -shared -v -target i686-pc-windows-gnu -### %s 2>&1 | 
FileCheck -check-prefix=CHECK_DYNAMIC %s
++// RUN: %clang -shared -v -target i686-pc-windows-gnu -rtlib=platform -### %s 
2>&1 | FileCheck -check-prefix=CHECK_DYNAMIC %s
+ 
+ // g++, static
+-// RUN: %clang -static --driver-mode=g++ -v -target i686-pc-windows-gnu -### 
%s 2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
+-// RUN: %clang -static-libgcc --driver-mode=g++ -v -target 
i686-pc-windows-gnu -### %s 2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
+-// RUN: %clang -static -shared --driver-mode=g++ -v -target 
i686-pc-windows-gnu -### %s 2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
+-// RUN: %clang -static-libgcc -shared --driver-mode=g++ -v -target 
i686-pc-windows-gnu -### %s 2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
++// RUN: %clang -static --driver-mode=g++ -v -target i686-pc-windows-gnu 
-rtlib=platform -### %s 2>&1 | FileCheck -check-prefix=CHECK_STATIC %s
++// RUN: %clang -static-libgcc --driver-mode=g++ -v -target 
i686-pc-windows-gnu -rtlib=platform -### %s 2>&1 | FileCheck 
-check-prefix=CHECK_STATIC %s
++// RUN: %clang -static -shared --driver-mode=g++ -v -target 
i686-pc-windows-gnu -rtlib=platform -### %s 2>&1 | FileCheck 
-check-prefix=CHECK_STATIC %s
++// RUN: %clang -static-libgcc -shared --driver-mode=g++ -v -target 
i686-pc-windows-gnu -rtlib=platform -### %s 2>&1 | FileCheck 
-check-prefix=CHECK_STATIC %s
+ 
+ // g++, dynamic
+-// RUN: %clang --driver-mode=g++ -v -target i686-pc-windows-gnu -### %s 2>&1 
| FileCheck -check-prefix=CHECK_DYNAMIC %s
+-// RUN: %clang -shared --driver-mode=g++ -v -target i686-pc-windows-gnu -### 
%s 2>&1 | FileCheck -check-prefix=CHECK_DYNAMIC %s
++// RUN: %clang --driver-mode=g++ -v -target i686-pc-windows-gnu 
-rtlib=platform -### %s 2>&1 | FileCheck -check-prefix=CHECK_DYNAMIC %s
++// RUN: %clang -shared --driver-mode=g++ -v -target i686-pc-windows-gnu 
-rtlib=platform -### %s 2>&1 | FileCheck -check-prefix=CHECK_DYNAMIC %s
+ 
+ // CHECK_STATIC: "-lgcc" "-lgcc_eh"
+ // CHECK_DYNAMIC: "-lgcc_s" "-lgcc"
+diff --git a/test/Driver/mingw.cpp b/test/Driver/mingw.cpp
+index 8dc5b96..c939c7a 100644
+--- a/test/Driver/mingw.cpp
++++ b/test/Driver/mingw.cpp
+@@ -1,9 +1,9 @@
+-// RUN: %clang -target i686-windows-gnu -c -### 
--sysroot=%S/Inputs/mingw_clang_tree/mingw32 %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_CLANG_TREE %s
++// RUN: %clang -target i686-windows-gnu -rtlib=platform -c -### 
--sysroot=%S/Inputs/mingw_clang_tree/mingw32 %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_CLANG_TREE %s
+ // CHECK_MINGW_CLANG_TREE: 
"{{.*}}/Inputs/mingw_clang_tree/mingw32{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include"
+ // CHECK_MINGW_CLANG_TREE: 
"{{.*}}/Inputs/mingw_clang_tree/mingw32{{/|\\\\}}include"
+ 
+ 
+-// RUN: %clang -target i686-pc-windows-gnu -stdlib=libstdc++ -c -### 
--sysroot=%S/Inputs/mingw_mingw_org_tree/mingw %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_ORG_TREE %s
++// RUN: %clang -target i686-pc-windows-gnu -rtlib=platform -stdlib=libstdc++ 
-c -### --sysroot=%S/Inputs/mingw_mingw_org_tree/mingw %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_ORG_TREE %s
+ // CHECK_MINGW_ORG_TREE: 
"{{.*}}/Inputs/mingw_mingw_org_tree/mingw{{/|\\\\}}lib{{/|\\\\}}gcc{{/|\\\\}}mingw32{{/|\\\\}}4.8.1{{/|\\\\}}include{{/|\\\\}}c++"
+ // CHECK_MINGW_ORG_TREE: 
"{{.*}}/Inputs/mingw_mingw_org_tree/mingw{{/|\\\\}}lib{{/|\\\\}}gcc{{/|\\\\}}mingw32{{/|\\\\}}4.8.1{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}mingw32"
+ // CHECK_MINGW_ORG_TREE: 
"{{.*}}{{/|\\\\}}Inputs/mingw_mingw_org_tree/mingw{{/|\\\\}}lib{{/|\\\\}}gcc{{/|\\\\}}mingw32{{/|\\\\}}4.8.1{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}backward"
+@@ -13,7 +13,7 @@
+ // CHECK_MINGW_ORG_TREE: 
{{.*}}/Inputs/mingw_mingw_org_tree/mingw{{/|\\\\}}include
+ 
+ 
+-// RUN: %clang -target i686-pc-windows-gnu -stdlib=libstdc++ -c -### 
--sysroot=%S/Inputs/mingw_mingw_builds_tree/mingw32 %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_BUILDS_TREE %s
++// RUN: %clang -target i686-pc-windows-gnu -rtlib=platform -stdlib=libstdc++ 
-c -### --sysroot=%S/Inputs/mingw_mingw_builds_tree/mingw32 %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_BUILDS_TREE %s
+ // CHECK_MINGW_BUILDS_TREE: 
"{{.*}}/Inputs/mingw_mingw_builds_tree/mingw32{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++"
+ // CHECK_MINGW_BUILDS_TREE: 
"{{.*}}/Inputs/mingw_mingw_builds_tree/mingw32{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}i686-w64-mingw32"
+ // CHECK_MINGW_BUILDS_TREE: 
"{{.*}}/Inputs/mingw_mingw_builds_tree/mingw32{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}backward"
+@@ -22,7 +22,7 @@
+ // CHECK_MINGW_BUILDS_TREE: 
"{{.*}}/Inputs/mingw_mingw_builds_tree/mingw32{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include"
+ 
+ 
+-// RUN: %clang -target i686-pc-windows-gnu -stdlib=libstdc++ -c -### 
--sysroot=%S/Inputs/mingw_msys2_tree/msys64/mingw32 %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_MSYS_TREE %s
++// RUN: %clang -target i686-pc-windows-gnu -rtlib=platform -stdlib=libstdc++ 
-c -### --sysroot=%S/Inputs/mingw_msys2_tree/msys64/mingw32 %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_MSYS_TREE %s
+ // CHECK_MINGW_MSYS_TREE: 
"{{.*}}/Inputs/mingw_msys2_tree/msys64{{/|\\\\}}mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}4.9.2"
+ // CHECK_MINGW_MSYS_TREE: 
"{{.*}}/Inputs/mingw_msys2_tree/msys64/mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}4.9.2{{/|\\\\}}i686-w64-mingw32"
+ // CHECK_MINGW_MSYS_TREE: 
"{{.*}}/Inputs/mingw_msys2_tree/msys64/mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}4.9.2{{/|\\\\}}backward"
+@@ -32,7 +32,7 @@
+ // CHECK_MINGW_MSYS_TREE: 
"{{.*}}/Inputs/mingw_msys2_tree/msys64/mingw32{{/|\\\\}}include"
+ 
+ 
+-// RUN: %clang -target x86_64-pc-windows-gnu -stdlib=libstdc++ -c -### 
--sysroot=%S/Inputs/mingw_opensuse_tree/usr %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_OPENSUSE_TREE %s
++// RUN: %clang -target x86_64-pc-windows-gnu -rtlib=platform 
-stdlib=libstdc++ -c -### --sysroot=%S/Inputs/mingw_opensuse_tree/usr %s 2>&1 | 
FileCheck -check-prefix=CHECK_MINGW_OPENSUSE_TREE %s
+ // CHECK_MINGW_OPENSUSE_TREE: 
"{{.*}}/Inputs/mingw_opensuse_tree/usr{{/|\\\\}}lib64{{/|\\\\}}gcc{{/|\\\\}}x86_64-w64-mingw32{{/|\\\\}}5.1.0{{/|\\\\}}include{{/|\\\\}}c++"
+ // CHECK_MINGW_OPENSUSE_TREE: 
"{{.*}}/Inputs/mingw_opensuse_tree/usr{{/|\\\\}}lib64{{/|\\\\}}gcc{{/|\\\\}}x86_64-w64-mingw32{{/|\\\\}}5.1.0{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}x86_64-w64-mingw32"
+ // CHECK_MINGW_OPENSUSE_TREE: 
"{{.*}}/Inputs/mingw_opensuse_tree/usr{{/|\\\\}}lib64{{/|\\\\}}gcc{{/|\\\\}}x86_64-w64-mingw32{{/|\\\\}}5.1.0{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}backward"
+@@ -41,7 +41,7 @@
+ // CHECK_MINGW_OPENSUSE_TREE: 
"{{.*}}/Inputs/mingw_opensuse_tree/usr{{/|\\\\}}lib64{{/|\\\\}}gcc{{/|\\\\}}x86_64-w64-mingw32{{/|\\\\}}5.1.0{{/|\\\\}}include-fixed"
+ 
+ 
+-// RUN: %clang -target i686-pc-windows-gnu -stdlib=libstdc++ -c -### 
--sysroot=%S/Inputs/mingw_arch_tree/usr %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_ARCH_TREE %s
++// RUN: %clang -target i686-pc-windows-gnu -rtlib=platform -stdlib=libstdc++ 
-c -### --sysroot=%S/Inputs/mingw_arch_tree/usr %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_ARCH_TREE %s
+ // CHECK_MINGW_ARCH_TREE: 
"{{.*}}/Inputs/mingw_arch_tree/usr{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}5.1.0"
+ // CHECK_MINGW_ARCH_TREE: 
"{{.*}}/Inputs/mingw_arch_tree/usr{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}5.1.0{{/|\\\\}}i686-w64-mingw32"
+ // CHECK_MINGW_ARCH_TREE: 
"{{.*}}/Inputs/mingw_arch_tree/usr{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}5.1.0{{/|\\\\}}backward"
+@@ -50,7 +50,7 @@
+ // CHECK_MINGW_ARCH_TREE: 
"{{.*}}/Inputs/mingw_arch_tree/usr{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include"
+ 
+ 
+-// RUN: %clang -target x86_64-pc-windows-gnu -stdlib=libstdc++ -c -### 
--sysroot=%S/Inputs/mingw_ubuntu_tree/usr %s 2>&1 | FileCheck 
-check-prefix=CHECK_MINGW_UBUNTU_TREE %s
++// RUN: %clang -target x86_64-pc-windows-gnu -rtlib=platform 
-stdlib=libstdc++ -c -### --sysroot=%S/Inputs/mingw_ubuntu_tree/usr %s 2>&1 | 
FileCheck -check-prefix=CHECK_MINGW_UBUNTU_TREE %s
+ // CHECK_MINGW_UBUNTU_TREE: 
"{{.*}}/Inputs/mingw_ubuntu_tree/usr{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}4.8"
+ // CHECK_MINGW_UBUNTU_TREE: 
"{{.*}}/Inputs/mingw_ubuntu_tree/usr{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}4.8{{/|\\\\}}x86_64-w64-mingw32"
+ // CHECK_MINGW_UBUNTU_TREE: 
"{{.*}}/Inputs/mingw_ubuntu_tree/usr{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}4.8{{/|\\\\}}backward"
+diff --git a/test/Driver/mips-mti-linux.c b/test/Driver/mips-mti-linux.c
+index e3560e2..4835d79 100644
+--- a/test/Driver/mips-mti-linux.c
++++ b/test/Driver/mips-mti-linux.c
+@@ -8,7 +8,7 @@
+ 
+ // = Big-endian, mips32r2, hard float
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mips-mti-linux -mips32r2 -mhard-float \
++// RUN:     --target=mips-mti-linux -mips32r2 -mhard-float -rtlib=platform \
+ // RUN:     --sysroot=%S/Inputs/mips_mti_linux/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-BE-HF-32R2 %s
+ //
+@@ -26,7 +26,7 @@
+ 
+ // = Little-endian, mips32r2, hard float
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     --target=mips-mti-linux -mips32r2 -EL -mhard-float \
++// RUN:     --target=mips-mti-linux -mips32r2 -EL -mhard-float 
-rtlib=platform \
+ // RUN:     --sysroot=%S/Inputs/mips_mti_linux/sysroot \
+ // RUN:   | FileCheck --check-prefix=CHECK-LE-HF-32R2 %s
+ //
+diff --git a/test/Driver/sanitizer-ld.c b/test/Driver/sanitizer-ld.c
+index 4d4ea29..9f6fae3 100644
+--- a/test/Driver/sanitizer-ld.c
++++ b/test/Driver/sanitizer-ld.c
+@@ -343,7 +343,7 @@
+ 
+ // CFI by itself does not link runtime libraries.
+ // RUN: %clang -fsanitize=cfi %s -### -o %t.o 2>&1 \
+-// RUN:     -target x86_64-unknown-linux \
++// RUN:     -target x86_64-unknown-linux -rtlib=platform \
+ // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+ // RUN:   | FileCheck --check-prefix=CHECK-CFI-LINUX %s
+ // CHECK-CFI-LINUX: "{{.*}}ld{{(.exe)?}}"
+diff --git a/test/Driver/windows-cross.c b/test/Driver/windows-cross.c
+index 3812287..84ef2df 100644
+--- a/test/Driver/windows-cross.c
++++ b/test/Driver/windows-cross.c
+@@ -1,4 +1,4 @@
+-// RUN: %clang -### -target armv7-windows-itanium --sysroot 
%S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin 
-stdlib=libstdc++ -o /dev/null %s 2>&1 \
++// RUN: %clang -### -target armv7-windows-itanium --sysroot 
%S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin 
-stdlib=libstdc++ -rtlib=platform -o /dev/null %s 2>&1 \
+ // RUN:   | FileCheck %s --check-prefix CHECK-BASIC
+ 
+ // CHECK-BASIC: armv7-windows-itanium-ld" 
"--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-Bdynamic" "--entry" 
"mainCRTStartup" "--allow-multiple-definition" "-o" "{{[^"]*}}" 
"{{.*}}/Inputs/Windows/ARM/8.1/usr/lib/crtbegin.obj" 
"-L{{.*}}/Inputs/Windows/ARM/8.1/usr/lib" 
"-L{{.*}}/Inputs/Windows/ARM/8.1/usr/lib/gcc" "{{.*}}.o" "-lmsvcrt" "-lgcc" 
"--as-needed" "-lgcc_s" "--no-as-needed"
+diff --git a/test/OpenMP/linking.c b/test/OpenMP/linking.c
+index 81706d4..7b30592 100644
+--- a/test/OpenMP/linking.c
++++ b/test/OpenMP/linking.c
+@@ -4,42 +4,42 @@
+ // FIXME: Replace DEFAULT_OPENMP_LIB below with the value chosen at configure 
time.
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     -fopenmp -target i386-unknown-linux \
++// RUN:     -fopenmp -target i386-unknown-linux -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-LD-32 %s
+ // CHECK-LD-32: "{{.*}}ld{{(.exe)?}}"
+ // CHECK-LD-32: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]" "-lgcc"
+ // CHECK-LD-32: "-lpthread" "-lc"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     -fopenmp -target x86_64-unknown-linux \
++// RUN:     -fopenmp -target x86_64-unknown-linux -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-LD-64 %s
+ // CHECK-LD-64: "{{.*}}ld{{(.exe)?}}"
+ // CHECK-LD-64: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]" "-lgcc"
+ // CHECK-LD-64: "-lpthread" "-lc"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     -fopenmp=libgomp -target i386-unknown-linux \
++// RUN:     -fopenmp=libgomp -target i386-unknown-linux -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-GOMP-LD-32 %s
+ // CHECK-GOMP-LD-32: "{{.*}}ld{{(.exe)?}}"
+ // CHECK-GOMP-LD-32: "-lgomp" "-lrt" "-lgcc"
+ // CHECK-GOMP-LD-32: "-lpthread" "-lc"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     -fopenmp=libgomp -target x86_64-unknown-linux \
++// RUN:     -fopenmp=libgomp -target x86_64-unknown-linux -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-GOMP-LD-64 %s
+ // CHECK-GOMP-LD-64: "{{.*}}ld{{(.exe)?}}"
+ // CHECK-GOMP-LD-64: "-lgomp" "-lrt" "-lgcc"
+ // CHECK-GOMP-LD-64: "-lpthread" "-lc"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     -fopenmp -target i386-unknown-linux \
++// RUN:     -fopenmp -target i386-unknown-linux -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-IOMP5-LD-32 %s
+ // CHECK-IOMP5-LD-32: "{{.*}}ld{{(.exe)?}}"
+ // CHECK-IOMP5-LD-32: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]" "-lgcc"
+ // CHECK-IOMP5-LD-32: "-lpthread" "-lc"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     -fopenmp -target x86_64-unknown-linux \
++// RUN:     -fopenmp -target x86_64-unknown-linux -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-IOMP5-LD-64 %s
+ // CHECK-IOMP5-LD-64: "{{.*}}ld{{(.exe)?}}"
+ // CHECK-IOMP5-LD-64: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]" "-lgcc"
+@@ -57,6 +57,7 @@
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+ // RUN:     -fopenmp -fopenmp=libgomp -target i386-unknown-linux \
++// RUN:     -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-LD-OVERRIDE-32 %s
+ // CHECK-LD-OVERRIDE-32: "{{.*}}ld{{(.exe)?}}"
+ // CHECK-LD-OVERRIDE-32: "-lgomp" "-lrt" "-lgcc"
+@@ -64,13 +65,14 @@
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+ // RUN:     -fopenmp -fopenmp=libgomp -target x86_64-unknown-linux \
++// RUN:     -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-LD-OVERRIDE-64 %s
+ // CHECK-LD-OVERRIDE-64: "{{.*}}ld{{(.exe)?}}"
+ // CHECK-LD-OVERRIDE-64: "-lgomp" "-lrt" "-lgcc"
+ // CHECK-LD-OVERRIDE-64: "-lpthread" "-lc"
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     -fopenmp=libomp -target x86_64-msvc-win32 \
++// RUN:     -fopenmp=libomp -target x86_64-msvc-win32 -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-MSVC-LINK-64 %s
+ // CHECK-MSVC-LINK-64: link.exe
+ // CHECK-MSVC-LINK-64-SAME: -nodefaultlib:vcomp.lib
+@@ -79,7 +81,7 @@
+ // CHECK-MSVC-LINK-64-SAME: -defaultlib:libomp.lib
+ //
+ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+-// RUN:     -fopenmp=libiomp5 -target x86_64-msvc-win32 \
++// RUN:     -fopenmp=libiomp5 -target x86_64-msvc-win32 -rtlib=platform \
+ // RUN:   | FileCheck --check-prefix=CHECK-MSVC-ILINK-64 %s
+ // CHECK-MSVC-ILINK-64: link.exe
+ // CHECK-MSVC-ILINK-64-SAME: -nodefaultlib:vcomp.lib
+-- 
+2.9.3
+

diff --git 
a/sys-devel/llvm/files/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch 
b/sys-devel/llvm/files/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
similarity index 100%
rename from 
sys-devel/llvm/files/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
rename to sys-devel/llvm/files/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch

diff --git 
a/sys-devel/llvm/files/3.9.0/compiler-rt/0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
 
b/sys-devel/llvm/files/3.9.0/compiler-rt/0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
new file mode 100644
index 00000000..269a9a1
--- /dev/null
+++ 
b/sys-devel/llvm/files/3.9.0/compiler-rt/0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
@@ -0,0 +1,25 @@
+From 8bd62a681744d3c31a0837c0f84f99ea4987e017 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgo...@gentoo.org>
+Date: Tue, 9 Jun 2015 12:17:57 +0200
+Subject: [PATCH] cmake: Install compiler-rt into /usr/lib (without suffix)
+
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 0d8a880..5ae98a9 100644
+--- a/projects/compiler-rt/cmake/base-config-ix.cmake
++++ b/projects/compiler-rt/cmake/base-config-ix.cmake
+@@ -52,7 +52,7 @@ if (NOT COMPILER_RT_STANDALONE_BUILD)
+   # Setup the paths where compiler-rt runtimes and headers should be stored.
+   set(COMPILER_RT_OUTPUT_DIR 
${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION})
+   set(COMPILER_RT_EXEC_OUTPUT_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
+-  set(COMPILER_RT_INSTALL_PATH 
lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION})
++  set(COMPILER_RT_INSTALL_PATH lib/clang/${CLANG_VERSION})
+   option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit 
tests."
+          ${LLVM_INCLUDE_TESTS})
+  option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered"
+-- 
+2.4.3
+

diff --git a/sys-devel/llvm/files/3.8.1/lldb/six.patch 
b/sys-devel/llvm/files/3.9.0/lldb/six.patch
similarity index 100%
rename from sys-devel/llvm/files/3.8.1/lldb/six.patch
rename to sys-devel/llvm/files/3.9.0/lldb/six.patch

diff --git a/sys-devel/llvm/files/3.8.1/llvm-config-r1.patch 
b/sys-devel/llvm/files/3.9.0/llvm-config-r1.patch
similarity index 100%
rename from sys-devel/llvm/files/3.8.1/llvm-config-r1.patch
rename to sys-devel/llvm/files/3.9.0/llvm-config-r1.patch

diff --git a/sys-devel/llvm/llvm-3.5.0.ebuild b/sys-devel/llvm/llvm-3.5.0.ebuild
index e163d97..90e7808 100644
--- a/sys-devel/llvm/llvm-3.5.0.ebuild
+++ b/sys-devel/llvm/llvm-3.5.0.ebuild
@@ -151,10 +151,10 @@ src_prepare() {
 
        if use clang; then
                # Automatically select active system GCC's libraries, bugs 
#406163 and #417913
-               epatch 
"${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
+               epatch 
"${FILESDIR}"/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
 
                epatch "${FILESDIR}"/3.5.2/clang/gentoo-install.patch
-               epatch 
"${FILESDIR}"/3.8.1/clang/darwin_prefix-include-paths.patch
+               epatch 
"${FILESDIR}"/3.9.0/clang/darwin_prefix-include-paths.patch
                eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp
        fi
 

diff --git a/sys-devel/llvm/llvm-3.5.2.ebuild b/sys-devel/llvm/llvm-3.5.2.ebuild
index e158a2d..a4f1139 100644
--- a/sys-devel/llvm/llvm-3.5.2.ebuild
+++ b/sys-devel/llvm/llvm-3.5.2.ebuild
@@ -153,10 +153,10 @@ src_prepare() {
 
        if use clang; then
                # Automatically select active system GCC's libraries, bugs 
#406163 and #417913
-               epatch 
"${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
+               epatch 
"${FILESDIR}"/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
 
                epatch "${FILESDIR}"/3.5.2/clang/gentoo-install.patch
-               epatch 
"${FILESDIR}"/3.8.1/clang/darwin_prefix-include-paths.patch
+               epatch 
"${FILESDIR}"/3.9.0/clang/darwin_prefix-include-paths.patch
                eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp
        fi
 

diff --git a/sys-devel/llvm/llvm-3.6.2.ebuild b/sys-devel/llvm/llvm-3.6.2.ebuild
index c0bede2..72511d2 100644
--- a/sys-devel/llvm/llvm-3.6.2.ebuild
+++ b/sys-devel/llvm/llvm-3.6.2.ebuild
@@ -157,10 +157,10 @@ src_prepare() {
 
        if use clang; then
                # Automatically select active system GCC's libraries, bugs 
#406163 and #417913
-               epatch 
"${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
+               epatch 
"${FILESDIR}"/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
 
                epatch "${FILESDIR}"/3.7.1/clang/gentoo-install.patch
-               epatch 
"${FILESDIR}"/3.8.1/clang/darwin_prefix-include-paths.patch
+               epatch 
"${FILESDIR}"/3.9.0/clang/darwin_prefix-include-paths.patch
                eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp
 
                # Fix build fails with using gcc-4.9 on Gentoo/FreeBSD, bug 
#548444

diff --git a/sys-devel/llvm/llvm-3.7.1-r3.ebuild 
b/sys-devel/llvm/llvm-3.7.1-r3.ebuild
index 353bbff..a933eb6 100644
--- a/sys-devel/llvm/llvm-3.7.1-r3.ebuild
+++ b/sys-devel/llvm/llvm-3.7.1-r3.ebuild
@@ -143,7 +143,7 @@ src_prepare() {
        # Fix libdir for ocaml bindings install, bug #559134
        eapply 
"${FILESDIR}"/9999/0001-cmake-Install-OCaml-modules-into-correct-package-loc.patch
        # Do not build/install ocaml docs with USE=-doc, bug #562008
-       eapply 
"${FILESDIR}"/3.8.1/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
+       eapply 
"${FILESDIR}"/3.9.0/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
 
        # Make it possible to override Sphinx HTML install dirs
        # https://llvm.org/bugs/show_bug.cgi?id=23780
@@ -178,7 +178,7 @@ src_prepare() {
 
        if use clang; then
                # Automatically select active system GCC's libraries, bugs 
#406163 and #417913
-               eapply 
"${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
 
                # Support gcc4.9 search paths
                # https://github.com/llvm-mirror/clang/commit/af4db76e059c1a3
@@ -186,7 +186,7 @@ src_prepare() {
 
                eapply "${FILESDIR}"/3.7.1/clang/gentoo-install.patch
 
-               eapply 
"${FILESDIR}"/3.8.1/clang/darwin_prefix-include-paths.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/darwin_prefix-include-paths.patch
                eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp
 
                # Fix -isystem support in ccc-analyzer
@@ -207,7 +207,7 @@ src_prepare() {
                # Make it possible to override CLANG_LIBDIR_SUFFIX
                # (that is used only to find LLVMgold.so)
                # https://llvm.org/bugs/show_bug.cgi?id=23793
-               eapply 
"${FILESDIR}"/3.8.1/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
 
                # Fix git-clang-format shebang, bug #562688
                python_fix_shebang 
tools/clang/tools/clang-format/git-clang-format

diff --git a/sys-devel/llvm/llvm-3.8.0-r3.ebuild 
b/sys-devel/llvm/llvm-3.8.0-r3.ebuild
index 1f865ea..111706a 100644
--- a/sys-devel/llvm/llvm-3.8.0-r3.ebuild
+++ b/sys-devel/llvm/llvm-3.8.0-r3.ebuild
@@ -144,7 +144,7 @@ src_prepare() {
        # Fix libdir for ocaml bindings install, bug #559134
        eapply 
"${FILESDIR}"/9999/0001-cmake-Install-OCaml-modules-into-correct-package-loc.patch
        # Do not build/install ocaml docs with USE=-doc, bug #562008
-       eapply 
"${FILESDIR}"/3.8.1/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
+       eapply 
"${FILESDIR}"/3.9.0/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
 
        # Make it possible to override Sphinx HTML install dirs
        # https://llvm.org/bugs/show_bug.cgi?id=23780
@@ -177,13 +177,13 @@ src_prepare() {
 
        if use clang; then
                # Automatically select active system GCC's libraries, bugs 
#406163 and #417913
-               eapply 
"${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
 
                # Support gcc4.9 search paths
                # https://github.com/llvm-mirror/clang/commit/af4db76e059c1a3
                eapply "${FILESDIR}"/3.8.1/clang/gcc4.9-search-path.patch
 
-               eapply 
"${FILESDIR}"/3.8.1/clang/darwin_prefix-include-paths.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/darwin_prefix-include-paths.patch
                eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp
 
                sed -i -e "s^@EPREFIX@^${EPREFIX}^" \
@@ -191,7 +191,7 @@ src_prepare() {
 
                # Install clang runtime into /usr/lib/clang
                # https://llvm.org/bugs/show_bug.cgi?id=23792
-               eapply 
"${FILESDIR}"/3.8.1/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
                eapply 
"${FILESDIR}"/3.8.1/compiler-rt/0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
 
                # Do not force -march flags on arm platforms
@@ -201,7 +201,7 @@ src_prepare() {
                # Make it possible to override CLANG_LIBDIR_SUFFIX
                # (that is used only to find LLVMgold.so)
                # https://llvm.org/bugs/show_bug.cgi?id=23793
-               eapply 
"${FILESDIR}"/3.8.1/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
 
                # Fix git-clang-format shebang, bug #562688
                python_fix_shebang 
tools/clang/tools/clang-format/git-clang-format
@@ -226,7 +226,7 @@ src_prepare() {
                sed -e 's/add_subdirectory(readline)/#&/' \
                        -i tools/lldb/scripts/Python/modules/CMakeLists.txt || 
die
                # Do not install bundled six module
-               eapply "${FILESDIR}"/3.8.1/lldb/six.patch
+               eapply "${FILESDIR}"/3.9.0/lldb/six.patch
        fi
 
        # User patches

diff --git a/sys-devel/llvm/llvm-3.8.1-r2.ebuild 
b/sys-devel/llvm/llvm-3.8.1-r2.ebuild
index cbead1d..de892fd 100644
--- a/sys-devel/llvm/llvm-3.8.1-r2.ebuild
+++ b/sys-devel/llvm/llvm-3.8.1-r2.ebuild
@@ -145,7 +145,7 @@ src_prepare() {
        # Fix libdir for ocaml bindings install, bug #559134
        eapply 
"${FILESDIR}"/9999/0001-cmake-Install-OCaml-modules-into-correct-package-loc.patch
        # Do not build/install ocaml docs with USE=-doc, bug #562008
-       eapply 
"${FILESDIR}"/3.8.1/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
+       eapply 
"${FILESDIR}"/3.9.0/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
 
        # Make it possible to override Sphinx HTML install dirs
        # https://llvm.org/bugs/show_bug.cgi?id=23780
@@ -164,7 +164,7 @@ src_prepare() {
 
        # Fix llvm-config for shared linking and sane flags
        # https://bugs.gentoo.org/show_bug.cgi?id=565358
-       eapply "${FILESDIR}"/3.8.1/llvm-config-r1.patch
+       eapply "${FILESDIR}"/3.9.0/llvm-config-r1.patch
 
        # Restore SOVERSIONs for shared libraries
        # https://bugs.gentoo.org/show_bug.cgi?id=578392
@@ -184,13 +184,13 @@ src_prepare() {
 
        if use clang; then
                # Automatically select active system GCC's libraries, bugs 
#406163 and #417913
-               eapply 
"${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
 
                # Support gcc4.9 search paths
                # https://github.com/llvm-mirror/clang/commit/af4db76e059c1a3
                eapply "${FILESDIR}"/3.8.1/clang/gcc4.9-search-path.patch
 
-               eapply 
"${FILESDIR}"/3.8.1/clang/darwin_prefix-include-paths.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/darwin_prefix-include-paths.patch
                eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp
 
                pushd "${S}"/tools/clang >/dev/null || die
@@ -206,7 +206,7 @@ src_prepare() {
 
                # Install clang runtime into /usr/lib/clang
                # https://llvm.org/bugs/show_bug.cgi?id=23792
-               eapply 
"${FILESDIR}"/3.8.1/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
                eapply 
"${FILESDIR}"/3.8.1/compiler-rt/0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
 
                # Do not force -march flags on arm platforms
@@ -216,7 +216,7 @@ src_prepare() {
                # Make it possible to override CLANG_LIBDIR_SUFFIX
                # (that is used only to find LLVMgold.so)
                # https://llvm.org/bugs/show_bug.cgi?id=23793
-               eapply 
"${FILESDIR}"/3.8.1/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
 
                # Fix git-clang-format shebang, bug #562688
                python_fix_shebang 
tools/clang/tools/clang-format/git-clang-format
@@ -245,7 +245,7 @@ src_prepare() {
                sed -e 's/add_subdirectory(readline)/#&/' \
                        -i tools/lldb/scripts/Python/modules/CMakeLists.txt || 
die
                # Do not install bundled six module
-               eapply "${FILESDIR}"/3.8.1/lldb/six.patch
+               eapply "${FILESDIR}"/3.9.0/lldb/six.patch
        fi
 
        # User patches

diff --git a/sys-devel/llvm/llvm-3.8.1.ebuild b/sys-devel/llvm/llvm-3.8.1.ebuild
index e1050f2..cc390c5 100644
--- a/sys-devel/llvm/llvm-3.8.1.ebuild
+++ b/sys-devel/llvm/llvm-3.8.1.ebuild
@@ -144,7 +144,7 @@ src_prepare() {
        # Fix libdir for ocaml bindings install, bug #559134
        eapply 
"${FILESDIR}"/9999/0001-cmake-Install-OCaml-modules-into-correct-package-loc.patch
        # Do not build/install ocaml docs with USE=-doc, bug #562008
-       eapply 
"${FILESDIR}"/3.8.1/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
+       eapply 
"${FILESDIR}"/3.9.0/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
 
        # Make it possible to override Sphinx HTML install dirs
        # https://llvm.org/bugs/show_bug.cgi?id=23780
@@ -177,13 +177,13 @@ src_prepare() {
 
        if use clang; then
                # Automatically select active system GCC's libraries, bugs 
#406163 and #417913
-               eapply 
"${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
 
                # Support gcc4.9 search paths
                # https://github.com/llvm-mirror/clang/commit/af4db76e059c1a3
                eapply "${FILESDIR}"/3.8.1/clang/gcc4.9-search-path.patch
 
-               eapply 
"${FILESDIR}"/3.8.1/clang/darwin_prefix-include-paths.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/darwin_prefix-include-paths.patch
                eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp
 
                sed -i -e "s^@EPREFIX@^${EPREFIX}^" \
@@ -191,7 +191,7 @@ src_prepare() {
 
                # Install clang runtime into /usr/lib/clang
                # https://llvm.org/bugs/show_bug.cgi?id=23792
-               eapply 
"${FILESDIR}"/3.8.1/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
                eapply 
"${FILESDIR}"/3.8.1/compiler-rt/0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
 
                # Do not force -march flags on arm platforms
@@ -201,7 +201,7 @@ src_prepare() {
                # Make it possible to override CLANG_LIBDIR_SUFFIX
                # (that is used only to find LLVMgold.so)
                # https://llvm.org/bugs/show_bug.cgi?id=23793
-               eapply 
"${FILESDIR}"/3.8.1/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
 
                # Fix git-clang-format shebang, bug #562688
                python_fix_shebang 
tools/clang/tools/clang-format/git-clang-format
@@ -226,7 +226,7 @@ src_prepare() {
                sed -e 's/add_subdirectory(readline)/#&/' \
                        -i tools/lldb/scripts/Python/modules/CMakeLists.txt || 
die
                # Do not install bundled six module
-               eapply "${FILESDIR}"/3.8.1/lldb/six.patch
+               eapply "${FILESDIR}"/3.9.0/lldb/six.patch
        fi
 
        # User patches

diff --git a/sys-devel/llvm/llvm-3.8.0-r3.ebuild 
b/sys-devel/llvm/llvm-3.9.0_rc3.ebuild
similarity index 85%
copy from sys-devel/llvm/llvm-3.8.0-r3.ebuild
copy to sys-devel/llvm/llvm-3.9.0_rc3.ebuild
index 1f865ea..72b42b5 100644
--- a/sys-devel/llvm/llvm-3.8.0-r3.ebuild
+++ b/sys-devel/llvm/llvm-3.9.0_rc3.ebuild
@@ -5,6 +5,8 @@
 EAPI=6
 
 : ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to lib32 find_library fix)
+CMAKE_MIN_VERSION=3.6.1-r1
 PYTHON_COMPAT=( python2_7 )
 
 inherit check-reqs cmake-utils eutils flag-o-matic multilib \
@@ -12,19 +14,19 @@ inherit check-reqs cmake-utils eutils flag-o-matic multilib 
\
 
 DESCRIPTION="Low Level Virtual Machine"
 HOMEPAGE="http://llvm.org/";
-SRC_URI="http://llvm.org/releases/${PV}/${P}.src.tar.xz
-       clang? ( http://llvm.org/releases/${PV}/compiler-rt-${PV}.src.tar.xz
-               http://llvm.org/releases/${PV}/cfe-${PV}.src.tar.xz
-               
http://llvm.org/releases/${PV}/clang-tools-extra-${PV}.src.tar.xz )
-       lldb? ( http://llvm.org/releases/${PV}/lldb-${PV}.src.tar.xz )
-       !doc? ( 
http://dev.gentoo.org/~voyageur/distfiles/${PN}-3.8.0-manpages.tar.bz2 )"
+SRC_URI="http://llvm.org/pre-releases/${PV%_*}/${PV#*_}/${P/_/}.src.tar.xz
+       clang? ( 
http://llvm.org/pre-releases/${PV%_*}/${PV#*_}/compiler-rt-${PV/_/}.src.tar.xz
+               
http://llvm.org/pre-releases/${PV%_*}/${PV#*_}/cfe-${PV/_/}.src.tar.xz
+               
http://llvm.org/pre-releases/${PV%_*}/${PV#*_}/clang-tools-extra-${PV/_/}.src.tar.xz
 )
+       lldb? ( 
http://llvm.org/pre-releases/${PV%_*}/${PV#*_}/lldb-${PV/_/}.src.tar.xz )
+       !doc? ( 
http://dev.gentoo.org/~mgorny/dist/${PN}-3.9.0_rc3-manpages.tar.bz2 )"
 
 LICENSE="UoI-NCSA"
 SLOT="0/${PV}"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd ~x86-fbsd 
~x64-freebsd ~amd64-linux ~arm-linux ~x86-linux ~ppc-macos ~x64-macos 
~x86-macos"
-IUSE="clang debug doc gold libedit +libffi lldb multitarget ncurses ocaml
-       python +static-analyzer test xml video_cards_radeon
-       kernel_Darwin kernel_FreeBSD"
+KEYWORDS="~amd64 ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
+IUSE="clang debug default-compiler-rt default-libcxx doc gold libedit +libffi
+       lldb multitarget ncurses ocaml python +sanitize +static-analyzer test 
xml
+       video_cards_radeon elibc_musl kernel_Darwin kernel_FreeBSD"
 
 COMMON_DEPEND="
        sys-libs/zlib:0=
@@ -67,6 +69,7 @@ DEPEND="${COMMON_DEPEND}
        ${PYTHON_DEPS}"
 RDEPEND="${COMMON_DEPEND}
        clang? ( !<=sys-devel/clang-${PV}-r99 )
+       default-libcxx? ( sys-libs/libcxx )
        abi_x86_32? ( !<=app-emulation/emul-linux-x86-baselibs-20130224-r2
                !app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)] )"
 PDEPEND="clang? ( =sys-devel/clang-${PV}-r100 )"
@@ -139,12 +142,10 @@ src_unpack() {
 src_prepare() {
        python_setup
 
-       # Make ocaml warnings non-fatal, bug #537308
-       sed -e "/RUN/s/-warn-error A//" -i test/Bindings/OCaml/*ml  || die
        # Fix libdir for ocaml bindings install, bug #559134
        eapply 
"${FILESDIR}"/9999/0001-cmake-Install-OCaml-modules-into-correct-package-loc.patch
        # Do not build/install ocaml docs with USE=-doc, bug #562008
-       eapply 
"${FILESDIR}"/3.8.1/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
+       eapply 
"${FILESDIR}"/3.9.0/0002-cmake-Make-OCaml-docs-dependent-on-LLVM_BUILD_DOCS.patch
 
        # Make it possible to override Sphinx HTML install dirs
        # https://llvm.org/bugs/show_bug.cgi?id=23780
@@ -154,21 +155,20 @@ src_prepare() {
        # https://llvm.org/bugs/show_bug.cgi?id=23781
        eapply 
"${FILESDIR}"/9999/0004-cmake-Add-an-ordering-dep-between-HTML-man-Sphinx-ta.patch
 
-       # Prevent installing libgtest
-       # https://llvm.org/bugs/show_bug.cgi?id=18341
-       eapply "${FILESDIR}"/3.8.1/0005-cmake-Do-not-install-libgtest.patch
-
        # Allow custom cmake build types (like 'Gentoo')
        eapply 
"${FILESDIR}"/9999/0006-cmake-Remove-the-CMAKE_BUILD_TYPE-assertion.patch
 
        # Fix llvm-config for shared linking and sane flags
        # https://bugs.gentoo.org/show_bug.cgi?id=565358
-       eapply "${FILESDIR}"/3.8.1/llvm-config.patch
+       eapply "${FILESDIR}"/3.9.0/llvm-config-r1.patch
 
        # Restore SOVERSIONs for shared libraries
        # https://bugs.gentoo.org/show_bug.cgi?id=578392
        eapply 
"${FILESDIR}"/9999/0008-cmake-Restore-SOVERSIONs-on-shared-libraries.patch
 
+       # support building llvm against musl-libc
+       use elibc_musl && eapply "${FILESDIR}"/9999/musl-fixes.patch
+
        # disable use of SDK on OSX, bug #568758
        sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die
 
@@ -177,47 +177,31 @@ src_prepare() {
 
        if use clang; then
                # Automatically select active system GCC's libraries, bugs 
#406163 and #417913
-               eapply 
"${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch
-
-               # Support gcc4.9 search paths
-               # https://github.com/llvm-mirror/clang/commit/af4db76e059c1a3
-               eapply "${FILESDIR}"/3.8.1/clang/gcc4.9-search-path.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/gentoo-runtime-gcc-detection-v3.patch
 
-               eapply 
"${FILESDIR}"/3.8.1/clang/darwin_prefix-include-paths.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/darwin_prefix-include-paths.patch
                eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp
 
+               pushd "${S}"/tools/clang >/dev/null || die
+               # be able to specify default values for -stdlib and -rtlib at 
build time
+               eapply "${FILESDIR}"/3.9.0/clang/default-libs.patch
+               popd >/dev/null || die
+
                sed -i -e "s^@EPREFIX@^${EPREFIX}^" \
                        tools/clang/tools/scan-build/bin/scan-build || die
 
                # Install clang runtime into /usr/lib/clang
                # https://llvm.org/bugs/show_bug.cgi?id=23792
-               eapply 
"${FILESDIR}"/3.8.1/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
-               eapply 
"${FILESDIR}"/3.8.1/compiler-rt/0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
-
-               # Do not force -march flags on arm platforms
-               # https://bugs.gentoo.org/show_bug.cgi?id=562706
-               eapply "${FILESDIR}"/3.8.1/compiler-rt/arm_march_flags.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
+               eapply 
"${FILESDIR}"/3.9.0/compiler-rt/0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
 
                # Make it possible to override CLANG_LIBDIR_SUFFIX
                # (that is used only to find LLVMgold.so)
                # https://llvm.org/bugs/show_bug.cgi?id=23793
-               eapply 
"${FILESDIR}"/3.8.1/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
+               eapply 
"${FILESDIR}"/3.9.0/clang/0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
 
                # Fix git-clang-format shebang, bug #562688
                python_fix_shebang 
tools/clang/tools/clang-format/git-clang-format
-
-               # Fix 'stdarg.h' file not found on Gentoo/FreeBSD, bug #578064
-               # https://llvm.org/bugs/show_bug.cgi?id=26651
-               eapply "${FILESDIR}"/3.8.1/compiler-rt/fbsd.patch
-
-               pushd projects/compiler-rt >/dev/null || die
-
-               # Fix WX sections, bug #421527
-               find lib/builtins -type f -name '*.S' -exec sed \
-                       -e '$a\\n#if defined(__linux__) && 
defined(__ELF__)\n.section .note.GNU-stack,"",%progbits\n#endif' \
-                       -i {} + || die
-
-               popd >/dev/null || die
        fi
 
        if use lldb; then
@@ -226,7 +210,7 @@ src_prepare() {
                sed -e 's/add_subdirectory(readline)/#&/' \
                        -i tools/lldb/scripts/Python/modules/CMakeLists.txt || 
die
                # Do not install bundled six module
-               eapply "${FILESDIR}"/3.8.1/lldb/six.patch
+               eapply "${FILESDIR}"/3.9.0/lldb/six.patch
        fi
 
        # User patches
@@ -241,7 +225,7 @@ multilib_src_configure() {
        if use multitarget; then
                targets=all
        else
-               targets='host;BPF;CppBackend'
+               targets='host;BPF'
                use video_cards_radeon && targets+=';AMDGPU'
        fi
 
@@ -256,7 +240,6 @@ multilib_src_configure() {
                -DLLVM_LIBDIR_SUFFIX=${libdir#lib}
 
                -DBUILD_SHARED_LIBS=ON
-               -DLLVM_ENABLE_TIMESTAMPS=OFF
                -DLLVM_TARGETS_TO_BUILD="${targets}"
                -DLLVM_BUILD_TESTS=$(usex test)
 
@@ -282,6 +265,14 @@ multilib_src_configure() {
                        # libgomp support fails to find headers without 
explicit -I
                        # furthermore, it provides only syntax checking
                        -DCLANG_DEFAULT_OPENMP_RUNTIME=libomp
+
+                       # override default stdlib and rtlib
+                       -DCLANG_DEFAULT_CXX_STDLIB=$(usex default-libcxx libc++ 
"")
+                       -DCLANG_DEFAULT_RTLIB=$(usex default-compiler-rt 
compiler-rt "")
+
+                       # compiler-rt's test cases depend on sanitizer
+                       -DCOMPILER_RT_BUILD_SANITIZERS=$(usex sanitize)
+                       -DCOMPILER_RT_INCLUDE_TESTS=$(usex sanitize)
                )
        fi
 
@@ -453,9 +444,6 @@ multilib_src_install() {
        cmake-utils_src_install
 
        if multilib_is_native_abi; then
-               # Install man pages.
-               use doc || doman "${WORKDIR}"/${PN}-3.8.0-manpages/*.1
-
                # Symlink the gold plugin.
                if use gold; then
                        dodir "/usr/${CHOST}/binutils-bin/lib/bfd-plugins"
@@ -506,6 +494,15 @@ multilib_src_install_all() {
        # some users may find it useful
        dodoc utils/vim/vimrc
 
+       # Install man pages from the prebuilt package
+       if ! use doc; then
+               if ! use clang; then
+                       rm 
"${WORKDIR}"/${PN}-3.9.0_rc3-manpages/{clang,extraclangtools,scan-build}.1 || 
die
+               fi
+
+               doman "${WORKDIR}"/${PN}-3.9.0_rc3-manpages/*.1
+       fi
+
        if use clang; then
                pushd tools/clang >/dev/null || die
 

diff --git a/sys-devel/llvm/llvm-9999.ebuild b/sys-devel/llvm/llvm-9999.ebuild
index 834c3d2..e4be885 100644
--- a/sys-devel/llvm/llvm-9999.ebuild
+++ b/sys-devel/llvm/llvm-9999.ebuild
@@ -5,7 +5,8 @@
 EAPI=6
 
 : ${CMAKE_MAKEFILE_GENERATOR:=ninja}
-CMAKE_MIN_VERSION=3.4.3
+# (needed due to lib32 find_library fix)
+CMAKE_MIN_VERSION=3.6.1-r1
 DISTUTILS_OPTIONAL=1
 PYTHON_COMPAT=( python2_7 )
 
@@ -90,8 +91,6 @@ src_prepare() {
        # Python is needed to run tests using lit
        python_setup
 
-       # Make ocaml warnings non-fatal, bug #537308
-       sed -e "/RUN/s/-warn-error A//" -i test/Bindings/OCaml/*ml  || die
        # Fix libdir for ocaml bindings install, bug #559134
        eapply 
"${FILESDIR}"/9999/0001-cmake-Install-OCaml-modules-into-correct-package-loc.patch
 

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