This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGd5ca1602f641: [Driver] Fix test usages of --rtlib= without 
--unwindlib= (authored by abrachet).
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Changed prior to commit:
  https://reviews.llvm.org/D156792?vs=546030&id=546168#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156792/new/

https://reviews.llvm.org/D156792

Files:
  clang/test/Driver/csky-toolchain.c
  clang/test/Driver/env.c
  clang/test/Driver/gcc-install-dir.cpp
  clang/test/Driver/gcc-toolchain.cpp
  clang/test/Driver/linux-cross.cpp
  clang/test/Driver/linux-ld.c
  clang/test/Driver/loongarch-toolchain.c
  clang/test/Driver/miamcu-opt.c
  clang/test/Driver/nolibc.c
  clang/test/Driver/pic.c
  clang/test/Driver/riscv32-toolchain.c
  clang/test/Driver/riscv64-toolchain.c
  clang/test/OpenMP/linking.c

Index: clang/test/OpenMP/linking.c
===================================================================
--- clang/test/OpenMP/linking.c
+++ clang/test/OpenMP/linking.c
@@ -4,24 +4,24 @@
 // 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 -rtlib=platform \
+// RUN:     -fopenmp -target i386-unknown-linux -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-LD-32 %s
 // CHECK-LD-32: "{{.*}}ld{{(.exe)?}}"
 // CHECK-LD-32: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]"
 // CHECK-LD-32: "-lpthread" "-lc"
 //
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
-// RUN:     -fopenmp -target x86_64-unknown-linux -rtlib=platform \
+// RUN:     -fopenmp -target x86_64-unknown-linux -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-LD-64 %s
 // CHECK-LD-64: "{{.*}}ld{{(.exe)?}}"
 // CHECK-LD-64: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]"
 // CHECK-LD-64: "-lpthread" "-lc"
 //
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
-// RUN:     -fopenmp=libgomp -target i386-unknown-linux -rtlib=platform \
+// RUN:     -fopenmp=libgomp -target i386-unknown-linux -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-GOMP-LD-32 %s
 
-// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target i386-unknown-linux -rtlib=platform | FileCheck --check-prefix SIMD-ONLY2 %s
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target i386-unknown-linux -rtlib=platform --unwindlib=platform | FileCheck --check-prefix SIMD-ONLY2 %s
 // SIMD-ONLY2-NOT: lgomp
 // SIMD-ONLY2-NOT: lomp
 // SIMD-ONLY2-NOT: liomp
@@ -29,27 +29,27 @@
 // CHECK-GOMP-LD-32: "-lgomp" "-lrt"
 // CHECK-GOMP-LD-32: "-lpthread" "-lc"
 
-// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target i386-unknown-linux -rtlib=platform | FileCheck --check-prefix SIMD-ONLY2 %s
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target i386-unknown-linux -rtlib=platform --unwindlib=platform | FileCheck --check-prefix SIMD-ONLY2 %s
 // SIMD-ONLY2-NOT: lgomp
 // SIMD-ONLY2-NOT: lomp
 // SIMD-ONLY2-NOT: liomp
 //
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
-// RUN:     -fopenmp=libgomp -target x86_64-unknown-linux -rtlib=platform \
+// RUN:     -fopenmp=libgomp -target x86_64-unknown-linux -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-GOMP-LD-64 %s
 // CHECK-GOMP-LD-64: "{{.*}}ld{{(.exe)?}}"
 // CHECK-GOMP-LD-64: "-lgomp" "-lrt"
 // CHECK-GOMP-LD-64: "-lpthread" "-lc"
 //
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
-// RUN:     -fopenmp -target i386-unknown-linux -rtlib=platform \
+// RUN:     -fopenmp -target i386-unknown-linux -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-IOMP5-LD-32 %s
 // CHECK-IOMP5-LD-32: "{{.*}}ld{{(.exe)?}}"
 // CHECK-IOMP5-LD-32: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]"
 // CHECK-IOMP5-LD-32: "-lpthread" "-lc"
 //
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
-// RUN:     -fopenmp -target x86_64-unknown-linux -rtlib=platform \
+// RUN:     -fopenmp -target x86_64-unknown-linux -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-IOMP5-LD-64 %s
 // CHECK-IOMP5-LD-64: "{{.*}}ld{{(.exe)?}}"
 // CHECK-IOMP5-LD-64: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]"
@@ -67,7 +67,7 @@
 //
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
 // RUN:     -fopenmp -fopenmp=libgomp -target i386-unknown-linux \
-// RUN:     -rtlib=platform \
+// RUN:     -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-LD-OVERRIDE-32 %s
 // CHECK-LD-OVERRIDE-32: "{{.*}}ld{{(.exe)?}}"
 // CHECK-LD-OVERRIDE-32: "-lgomp" "-lrt"
@@ -75,14 +75,14 @@
 //
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
 // RUN:     -fopenmp -fopenmp=libgomp -target x86_64-unknown-linux \
-// RUN:     -rtlib=platform \
+// RUN:     -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-LD-OVERRIDE-64 %s
 // CHECK-LD-OVERRIDE-64: "{{.*}}ld{{(.exe)?}}"
 // CHECK-LD-OVERRIDE-64: "-lgomp" "-lrt"
 // CHECK-LD-OVERRIDE-64: "-lpthread" "-lc"
 //
 // RUN: %clang -no-canonical-prefixes -fuse-ld=link %s -### -o %t.o 2>&1 \
-// RUN:     -fopenmp=libomp -target x86_64-msvc-win32 -rtlib=platform \
+// RUN:     -fopenmp=libomp -target x86_64-msvc-win32 -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-MSVC-LINK-64 %s
 // CHECK-MSVC-LINK-64: link.exe
 // CHECK-MSVC-LINK-64-SAME: -nodefaultlib:vcomp.lib
@@ -90,16 +90,16 @@
 // CHECK-MSVC-LINK-64-SAME: -libpath:{{.+}}/../lib
 // CHECK-MSVC-LINK-64-SAME: -defaultlib:libomp.lib
 
-// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target x86_64-msvc-win32 -rtlib=platform | FileCheck --check-prefix SIMD-ONLY11 %s
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target x86_64-msvc-win32 -rtlib=platform --unwindlib=platform | FileCheck --check-prefix SIMD-ONLY11 %s
 // SIMD-ONLY11-NOT: libiomp
 // SIMD-ONLY11-NOT: libomp
 // SIMD-ONLY11-NOT: libgomp
 //
 // RUN: %clang -no-canonical-prefixes %s -fuse-ld=link -### -o %t.o 2>&1 \
-// RUN:     -fopenmp=libiomp5 -target x86_64-msvc-win32 -rtlib=platform \
+// RUN:     -fopenmp=libiomp5 -target x86_64-msvc-win32 -rtlib=platform --unwindlib=platform \
 // RUN:   | FileCheck --check-prefix=CHECK-MSVC-ILINK-64 %s
 
-// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target x86_64-msvc-win32 -rtlib=platform | FileCheck --check-prefix SIMD-ONLY11 %s
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target x86_64-msvc-win32 -rtlib=platform --unwindlib=platform | FileCheck --check-prefix SIMD-ONLY11 %s
 // SIMD-ONLY11-NOT: libiomp
 // SIMD-ONLY11-NOT: libomp
 // SIMD-ONLY11-NOT: libgomp
Index: clang/test/Driver/riscv64-toolchain.c
===================================================================
--- clang/test/Driver/riscv64-toolchain.c
+++ clang/test/Driver/riscv64-toolchain.c
@@ -77,7 +77,7 @@
 // CXX-RV64-BAREMETAL-NOSYSROOT-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-linux-gnu/8.0.1{{/|\\\\}}crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld= -no-pie \
-// RUN:   --target=riscv64-unknown-linux-gnu --rtlib=platform -mabi=lp64 \
+// RUN:   --target=riscv64-unknown-linux-gnu --rtlib=platform --unwindlib=platform -mabi=lp64 \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_linux_sdk \
 // RUN:   --sysroot=%S/Inputs/multilib_riscv_linux_sdk/sysroot 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV64-LINUX-MULTI-LP64 %s
@@ -92,7 +92,7 @@
 // C-RV64-LINUX-MULTI-LP64: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld -no-pie \
-// RUN:   --target=riscv64-unknown-linux-gnu --rtlib=platform -march=rv64imafd \
+// RUN:   --target=riscv64-unknown-linux-gnu --rtlib=platform --unwindlib=platform -march=rv64imafd \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_linux_sdk \
 // RUN:   --sysroot=%S/Inputs/multilib_riscv_linux_sdk/sysroot 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV64-LINUX-MULTI-LP64D %s
@@ -107,7 +107,7 @@
 // C-RV64-LINUX-MULTI-LP64D: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64d"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
-// RUN:   --target=riscv64-unknown-elf --rtlib=platform --sysroot= \
+// RUN:   --target=riscv64-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   -march=rv64imac -mabi=lp64\
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV64IMAC-BAREMETAL-MULTI-LP64 %s
@@ -122,7 +122,7 @@
 // C-RV64IMAC-BAREMETAL-MULTI-LP64: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imac/lp64{{/|\\\\}}crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
-// RUN:   --target=riscv64-unknown-elf --rtlib=platform --sysroot= \
+// RUN:   --target=riscv64-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   -march=rv64imafdc -mabi=lp64d \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV64IMAFDC-BAREMETAL-MULTI-ILP64D %s
@@ -139,7 +139,7 @@
 // Check that --rtlib can be used to override the used runtime library
 // RUN: %clang -### %s \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk \
-// RUN:   --target=riscv64-unknown-elf --rtlib=libgcc 2>&1 \
+// RUN:   --target=riscv64-unknown-elf --rtlib=libgcc --unwindlib=libgcc 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV64-RTLIB-LIBGCC-LP64 %s
 // C-RV64-RTLIB-LIBGCC-LP64: "{{.*}}crt0.o"
 // C-RV64-RTLIB-LIBGCC-LP64: "{{.*}}crtbegin.o"
@@ -148,7 +148,7 @@
 
 // RUN: %clang -### %s \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk \
-// RUN:   --target=riscv64-unknown-elf --rtlib=compiler-rt 2>&1 \
+// RUN:   --target=riscv64-unknown-elf --rtlib=compiler-rt --unwindlib=compiler-rt 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV64-RTLIB-COMPILERRT-LP64 %s
 // C-RV64-RTLIB-COMPILERRT-LP64: "{{.*}}crt0.o"
 // C-RV64-RTLIB-COMPILERRT-LP64: "{{.*}}clang_rt.crtbegin-riscv64.o"
Index: clang/test/Driver/riscv32-toolchain.c
===================================================================
--- clang/test/Driver/riscv32-toolchain.c
+++ clang/test/Driver/riscv32-toolchain.c
@@ -77,7 +77,7 @@
 // CXX-RV32-BAREMETAL-NOSYSROOT-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-linux-gnu/8.0.1{{/|\\\\}}crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld -no-pie \
-// RUN:   --target=riscv32-unknown-linux-gnu --rtlib=platform -mabi=ilp32 \
+// RUN:   --target=riscv32-unknown-linux-gnu --rtlib=platform --unwindlib=platform -mabi=ilp32 \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_linux_sdk \
 // RUN:   --sysroot=%S/Inputs/multilib_riscv_linux_sdk/sysroot 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32-LINUX-MULTI-ILP32 %s
@@ -92,7 +92,7 @@
 // C-RV32-LINUX-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld -no-pie \
-// RUN:   --target=riscv32-unknown-linux-gnu --rtlib=platform -march=rv32imafd \
+// RUN:   --target=riscv32-unknown-linux-gnu --rtlib=platform --unwindlib=platform -march=rv32imafd \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_linux_sdk \
 // RUN:   --sysroot=%S/Inputs/multilib_riscv_linux_sdk/sysroot 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32-LINUX-MULTI-ILP32D %s
@@ -107,7 +107,7 @@
 // C-RV32-LINUX-MULTI-ILP32D: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32d"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
-// RUN:   --target=riscv32-unknown-elf --rtlib=platform --sysroot= \
+// RUN:   --target=riscv32-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32I-BAREMETAL-MULTI-ILP32 %s
 
@@ -121,7 +121,7 @@
 // C-RV32I-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imac/ilp32{{/|\\\\}}crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
-// RUN:   --target=riscv32-unknown-elf --rtlib=platform --sysroot= \
+// RUN:   --target=riscv32-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   -march=rv32im -mabi=ilp32\
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32IM-BAREMETAL-MULTI-ILP32 %s
@@ -136,7 +136,7 @@
 // C-RV32IM-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32im/ilp32{{/|\\\\}}crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
-// RUN:   --target=riscv32-unknown-elf --rtlib=platform --sysroot= \
+// RUN:   --target=riscv32-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   -march=rv32iac -mabi=ilp32\
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32IAC-BAREMETAL-MULTI-ILP32 %s
@@ -151,7 +151,7 @@
 // C-RV32IAC-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32iac/ilp32{{/|\\\\}}crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
-// RUN:   --target=riscv32-unknown-elf --rtlib=platform --sysroot= \
+// RUN:   --target=riscv32-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   -march=rv32imac -mabi=ilp32\
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32IMAC-BAREMETAL-MULTI-ILP32 %s
@@ -166,7 +166,7 @@
 // C-RV32IMAC-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imac/ilp32{{/|\\\\}}crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
-// RUN:   --target=riscv32-unknown-elf --rtlib=platform --sysroot= \
+// RUN:   --target=riscv32-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   -march=rv32imafc -mabi=ilp32f \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32IMAFC-BAREMETAL-MULTI-ILP32F %s
@@ -183,7 +183,7 @@
 // Check that --rtlib can be used to override the used runtime library
 // RUN: %clang -### %s \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk \
-// RUN:   --target=riscv32-unknown-elf --rtlib=libgcc 2>&1 \
+// RUN:   --target=riscv32-unknown-elf --rtlib=libgcc --unwindlib=libgcc 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32-RTLIB-LIBGCC-ILP32 %s
 // C-RV32-RTLIB-LIBGCC-ILP32: "{{.*}}crt0.o"
 // C-RV32-RTLIB-LIBGCC-ILP32: "{{.*}}crtbegin.o"
@@ -192,7 +192,7 @@
 
 // RUN: %clang -### %s \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_riscv_elf_sdk \
-// RUN:   --target=riscv32-unknown-elf --rtlib=compiler-rt 2>&1 \
+// RUN:   --target=riscv32-unknown-elf --rtlib=compiler-rt --unwindlib=compiler-rt 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32-RTLIB-COMPILERRT-ILP32 %s
 // C-RV32-RTLIB-COMPILERRT-ILP32: "{{.*}}crt0.o"
 // C-RV32-RTLIB-COMPILERRT-ILP32: "{{.*}}clang_rt.crtbegin-riscv32.o"
Index: clang/test/Driver/pic.c
===================================================================
--- clang/test/Driver/pic.c
+++ clang/test/Driver/pic.c
@@ -132,11 +132,11 @@
 // RUN: --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE-LD
 // RUN: %clang %s -target i386-linux-gnu -fPIE -pie -### \
-// RUN: --gcc-toolchain="" -rtlib=platform \
+// RUN: --gcc-toolchain="" -rtlib=platform --unwindlib=platform \
 // RUN: --sysroot=%S/Inputs/basic_linux_tree 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE-LD
 // RUN: %clang %s -target i386-linux-gnu -fPIC -pie -### \
-// RUN: --gcc-toolchain="" -rtlib=platform \
+// RUN: --gcc-toolchain="" -rtlib=platform --unwindlib=platform \
 // RUN: --sysroot=%S/Inputs/basic_linux_tree 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=CHECK-PIE-LD
 //
Index: clang/test/Driver/nolibc.c
===================================================================
--- clang/test/Driver/nolibc.c
+++ clang/test/Driver/nolibc.c
@@ -1,4 +1,4 @@
-// RUN: %clang -target i686-pc-linux-gnu -### -rtlib=libgcc -nolibc %s 2>&1 | FileCheck %s
+// RUN: %clang -target i686-pc-linux-gnu -### -rtlib=libgcc --unwindlib=libgcc -nolibc %s 2>&1 | FileCheck %s
 // CHECK: crtbegin
 // CHECK: "-lgcc"
 // CHECK-NOT: "-lc"
Index: clang/test/Driver/miamcu-opt.c
===================================================================
--- clang/test/Driver/miamcu-opt.c
+++ clang/test/Driver/miamcu-opt.c
@@ -1,10 +1,10 @@
-// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform %s 2>&1 | FileCheck %s
-// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform -m32 %s 2>&1 | FileCheck %s
-// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform --target=x86_64-unknown-linux-gnu %s 2>&1 | FileCheck %s
-// RUN: %clang -### --target=x86_64 -mno-iamcu -miamcu -rtlib=platform %s 2>&1 | FileCheck %s
-// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform -m64 %s 2>&1 | FileCheck %s -check-prefix=M64
-// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform -dynamic %s 2>&1 | FileCheck %s -check-prefix=DYNAMIC
-// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform  --target=armv8-eabi %s 2>&1 | FileCheck %s -check-prefix=NOT-X86
+// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform --unwindlib=platform %s 2>&1 | FileCheck %s
+// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform --unwindlib=platform -m32 %s 2>&1 | FileCheck %s
+// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform --unwindlib=platform --target=x86_64-unknown-linux-gnu %s 2>&1 | FileCheck %s
+// RUN: %clang -### --target=x86_64 -mno-iamcu -miamcu -rtlib=platform --unwindlib=platform %s 2>&1 | FileCheck %s
+// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform --unwindlib=platform -m64 %s 2>&1 | FileCheck %s -check-prefix=M64
+// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform --unwindlib=platform -dynamic %s 2>&1 | FileCheck %s -check-prefix=DYNAMIC
+// RUN: %clang -### --target=x86_64 -miamcu -rtlib=platform --unwindlib=platform  --target=armv8-eabi %s 2>&1 | FileCheck %s -check-prefix=NOT-X86
 // RUN: %clang -### --target=x86_64-unknown-linux-gnu -miamcu -mno-iamcu %s 2>&1 | FileCheck %s -check-prefix=MNOIAMCU
 
 // M64: error: invalid argument '-miamcu' not allowed with '-m64'
Index: clang/test/Driver/loongarch-toolchain.c
===================================================================
--- clang/test/Driver/loongarch-toolchain.c
+++ clang/test/Driver/loongarch-toolchain.c
@@ -10,7 +10,7 @@
 /// the configure-time CLANG_DEFAULT_RTLIB option when choosing the runtime lib.
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld -no-pie -mabi=lp64d \
-// RUN:   --target=loongarch64-unknown-linux-gnu --rtlib=platform \
+// RUN:   --target=loongarch64-unknown-linux-gnu --rtlib=platform --unwindlib=platform \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_loongarch_linux_sdk \
 // RUN:   --sysroot=%S/Inputs/multilib_loongarch_linux_sdk/sysroot 2>&1 \
 // RUN:   | FileCheck --check-prefix=LA64 %s
Index: clang/test/Driver/linux-ld.c
===================================================================
--- clang/test/Driver/linux-ld.c
+++ clang/test/Driver/linux-ld.c
@@ -3,7 +3,7 @@
 // sysroot to make these tests independent of the host system.
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=i386-unknown-linux -rtlib=platform \
+// RUN:     --target=i386-unknown-linux -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-LD-32 %s
@@ -335,7 +335,7 @@
 // RUN:   | FileCheck --check-prefix=CHECK-LD-64-STATIC %s
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=i386-unknown-linux -rtlib=platform -m32 \
+// RUN:     --target=i386-unknown-linux -rtlib=platform --unwindlib=platform -m32 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_32bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-32-TO-32 %s
@@ -351,7 +351,7 @@
 // CHECK-32-TO-32: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=i386-unknown-linux -rtlib=platform -m64 \
+// RUN:     --target=i386-unknown-linux -rtlib=platform --unwindlib=platform -m64 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_32bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-32-TO-64 %s
@@ -367,7 +367,7 @@
 // CHECK-32-TO-64: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=x86_64-unknown-linux -rtlib=platform -m64 \
+// RUN:     --target=x86_64-unknown-linux -rtlib=platform --unwindlib=platform -m64 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_64bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-64-TO-64 %s
@@ -383,7 +383,7 @@
 // CHECK-64-TO-64: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=x86_64-unknown-linux -rtlib=plaform -m32 \
+// RUN:     --target=x86_64-unknown-linux -rtlib=plaform --unwindlib=platform -m32 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_64bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-64-TO-32 %s
@@ -399,7 +399,7 @@
 // CHECK-64-TO-32: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform \
+// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_64bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-X32 %s
@@ -415,7 +415,7 @@
 // CHECK-X32: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=x86_64-unknown-linux -rtlib=platform -mx32 \
+// RUN:     --target=x86_64-unknown-linux -rtlib=platform --unwindlib=platform -mx32 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_64bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-64-TO-X32 %s
@@ -431,7 +431,7 @@
 // CHECK-64-TO-X32: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=i386-unknown-linux -rtlib=platform -mx32 \
+// RUN:     --target=i386-unknown-linux -rtlib=platform --unwindlib=platform -mx32 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_64bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-32-TO-X32 %s
@@ -447,7 +447,7 @@
 // CHECK-32-TO-X32: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform -m64 \
+// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform --unwindlib=platform -m64 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_64bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-X32-TO-64 %s
@@ -463,7 +463,7 @@
 // CHECK-X32-TO-64: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform -m32 \
+// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform --unwindlib=platform -m32 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/multilib_64bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-X32-TO-32 %s
@@ -479,7 +479,7 @@
 // CHECK-X32-TO-32: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=x86_64-unknown-linux -rtlib=platform -m32 \
+// RUN:     --target=x86_64-unknown-linux -rtlib=platform --unwindlib=platform -m32 \
 // RUN:     --gcc-toolchain=%S/Inputs/multilib_64bit_linux_tree/usr \
 // RUN:     --sysroot=%S/Inputs/multilib_32bit_linux_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-64-TO-32-SYSROOT %s
@@ -494,7 +494,7 @@
 // Check that we support unusual patch version formats, including missing that
 // component.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=i386-unknown-linux -rtlib=platform -m32 \
+// RUN:     --target=i386-unknown-linux -rtlib=platform --unwindlib=platform -m32 \
 // RUN:     -ccc-install-dir %S/Inputs/gcc_version_parsing1/bin \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
@@ -549,7 +549,7 @@
 //
 // Check multi arch support on Ubuntu 12.04 LTS.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=arm-unknown-linux-gnueabihf -rtlib=platform \
+// RUN:     --target=arm-unknown-linux-gnueabihf -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/ubuntu_12.04_LTS_multiarch_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-UBUNTU-12-04-ARM-HF %s
@@ -565,7 +565,7 @@
 //
 // Check Ubuntu 13.10 on x86-64 targeting arm-linux-gnueabihf.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=arm-linux-gnueabihf -rtlib=platform \
+// RUN:     --target=arm-linux-gnueabihf -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/x86-64_ubuntu_13.10 \
 // RUN:   | FileCheck --check-prefix=CHECK-X86-64-UBUNTU-13-10-ARM-HF %s
@@ -584,7 +584,7 @@
 //
 // Check Ubuntu 13.10 on x86-64 targeting arm-linux-gnueabi.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=arm-linux-gnueabi -rtlib=platform \
+// RUN:     --target=arm-linux-gnueabi -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/x86-64_ubuntu_13.10 \
 // RUN:   | FileCheck --check-prefix=CHECK-X86-64-UBUNTU-13-10-ARM %s
@@ -603,7 +603,7 @@
 //
 // Check Ubuntu 14.04 on powerpc64le.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=powerpc64le-unknown-linux-gnu -rtlib=platform \
+// RUN:     --target=powerpc64le-unknown-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/ubuntu_14.04_multiarch_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-UBUNTU-14-04-PPC64LE %s
@@ -620,7 +620,7 @@
 // Check Ubuntu 14.04 on x32.
 // "/usr/lib/gcc/x86_64-linux-gnu/4.8/x32/crtend.o" "/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../libx32/crtn.o"
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform \
+// RUN:     --target=x86_64-unknown-linux-gnux32 -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/ubuntu_14.04_multiarch_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-UBUNTU-14-04-X32 %s
@@ -637,7 +637,7 @@
 //
 // Check fedora 18 on arm.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=armv7-unknown-linux-gnueabihf -rtlib=platform \
+// RUN:     --target=armv7-unknown-linux-gnueabihf -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/fedora_18_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-FEDORA-18-ARM-HF %s
@@ -652,12 +652,12 @@
 //
 // Check Fedora 21 on AArch64.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=arm64-unknown-linux-gnu -rtlib=platform \
+// RUN:     --target=arm64-unknown-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/fedora_21_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-FEDORA-21-AARCH64 %s
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=aarch64-unknown-linux-gnu -rtlib=platform \
+// RUN:     --target=aarch64-unknown-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/fedora_21_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-FEDORA-21-AARCH64 %s
@@ -672,7 +672,7 @@
 //
 // Check Fedora 31 on riscv64.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=riscv64-redhat-linux -rtlib=platform \
+// RUN:     --target=riscv64-redhat-linux -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/fedora_31_riscv64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-FEDORA-31-RISCV64 %s
@@ -686,7 +686,7 @@
 // CHECK-FEDORA-31-RISCV64: "{{.*}}/usr/lib/gcc/riscv64-redhat-linux/9{{/|\\\\}}crtn.o"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=arm-unknown-linux-gnueabi -rtlib=platform \
+// RUN:     --target=arm-unknown-linux-gnueabi -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/ubuntu_12.04_LTS_multiarch_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-UBUNTU-12-04-ARM %s
@@ -702,7 +702,7 @@
 //
 // Test the setup that shipped in SUSE 10.3 on ppc64.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=powerpc64-suse-linux -rtlib=platform \
+// RUN:     --target=powerpc64-suse-linux -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/suse_10.3_ppc64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-SUSE-10-3-PPC64 %s
@@ -715,12 +715,12 @@
 //
 // Check openSuse Leap 42.2 on AArch64
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=arm64-unknown-linux-gnu -rtlib=platform \
+// RUN:     --target=arm64-unknown-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_42.2_aarch64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-42-2-AARCH64 %s
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=aarch64-unknown-linux-gnu -rtlib=platform \
+// RUN:     --target=aarch64-unknown-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_42.2_aarch64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-42-2-AARCH64 %s
@@ -735,12 +735,12 @@
 //
 // Check openSUSE Tumbleweed on armv6hl
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=armv6hl-suse-linux-gnueabi -rtlib=platform \
+// RUN:     --target=armv6hl-suse-linux-gnueabi -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_tumbleweed_armv6hl_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-TW-ARMV6HL %s
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=armv6hl-suse-linux-gnueabi -rtlib=platform \
+// RUN:     --target=armv6hl-suse-linux-gnueabi -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_tumbleweed_armv6hl_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-TW-ARMV6HL %s
@@ -755,12 +755,12 @@
 //
 // Check openSUSE Tumbleweed on armv7hl
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=armv7hl-suse-linux-gnueabi -rtlib=platform \
+// RUN:     --target=armv7hl-suse-linux-gnueabi -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_tumbleweed_armv7hl_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-TW-ARMV7HL %s
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=armv7hl-suse-linux-gnueabi -rtlib=platform \
+// RUN:     --target=armv7hl-suse-linux-gnueabi -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_tumbleweed_armv7hl_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-TW-ARMV7HL %s
@@ -775,12 +775,12 @@
 //
 // Check openSUSE Tumbleweed on riscv64
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=riscv64-suse-linux -rtlib=platform \
+// RUN:     --target=riscv64-suse-linux -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_tumbleweed_riscv64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-TW-RISCV64 %s
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=riscv64-suse-linux -rtlib=platform \
+// RUN:     --target=riscv64-suse-linux -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_tumbleweed_riscv64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-TW-RISCV64 %s
@@ -795,7 +795,7 @@
 //
 // Check openSUSE Tumbleweed on ppc
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=powerpc-unknown-linux-gnu -rtlib=platform \
+// RUN:     --target=powerpc-unknown-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/opensuse_tumbleweed_ppc_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-OPENSUSE-TW-PPC %s
@@ -1353,14 +1353,14 @@
 //
 // Check linker invocation on a Debian LoongArch sysroot.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=loongarch64-linux-gnu -rtlib=platform \
+// RUN:     --target=loongarch64-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_loong64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-LOONG64 %s
 //
 // Check that "-gnuf64" is seen as "-gnu" for loong64.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=loongarch64-linux-gnuf64 -rtlib=platform \
+// RUN:     --target=loongarch64-linux-gnuf64 -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_loong64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-LOONG64 %s
@@ -1376,7 +1376,7 @@
 //
 // Check linker invocation on Debian 6 MIPS 32/64-bit.
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=mipsel-linux-gnu -rtlib=platform \
+// RUN:     --target=mipsel-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_6_mips_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPSEL %s
@@ -1392,7 +1392,7 @@
 // CHECK-DEBIAN-ML-MIPSEL: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=mips64el-linux-gnu -rtlib=platform \
+// RUN:     --target=mips64el-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_6_mips_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64EL %s
@@ -1408,7 +1408,7 @@
 // CHECK-DEBIAN-ML-MIPS64EL: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=mips64el-linux-gnu -rtlib=platform -mabi=n32 \
+// RUN:     --target=mips64el-linux-gnu -rtlib=platform --unwindlib=platform -mabi=n32 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_6_mips_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64EL-N32 %s
@@ -1424,7 +1424,7 @@
 // CHECK-DEBIAN-ML-MIPS64EL-N32: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=mips64el-linux-gnuabi64 -rtlib=platform -mabi=32 \
+// RUN:     --target=mips64el-linux-gnuabi64 -rtlib=platform --unwindlib=platform -mabi=32 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64EL-O32 %s
@@ -1440,12 +1440,12 @@
 // CHECK-DEBIAN-ML-MIPS64EL-O32: "-L[[SYSROOT]]/usr/lib"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=mips64-unknown-linux-gnu --rtlib=platform \
+// RUN:     --target=mips64-unknown-linux-gnu --rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64-GNUABI %s
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=mips64-linux-gnuabi64 -rtlib=platform -mabi=n64 \
+// RUN:     --target=mips64-linux-gnuabi64 -rtlib=platform --unwindlib=platform -mabi=n64 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64-GNUABI %s
@@ -1462,12 +1462,12 @@
 // CHECK-DEBIAN-ML-MIPS64-GNUABI: "{{.*}}/usr/lib/mips64-linux-gnuabi64{{/|\\\\}}crtn.o"
 //
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=mips64el-unknown-linux-gnu -rtlib=platform \
+// RUN:     --target=mips64el-unknown-linux-gnu -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64EL-GNUABI %s
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=mips64el-linux-gnuabi64 -rtlib=platform -mabi=n64 \
+// RUN:     --target=mips64el-linux-gnuabi64 -rtlib=platform --unwindlib=platform -mabi=n64 \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64EL-GNUABI %s
@@ -1485,7 +1485,7 @@
 //
 // Test linker invocation for Freescale SDK (OpenEmbedded).
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=powerpc-fsl-linux -rtlib=platform \
+// RUN:     --target=powerpc-fsl-linux -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/freescale_ppc_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-FSL-PPC %s
@@ -1495,7 +1495,7 @@
 // CHECK-FSL-PPC: "{{.*}}{{/|\\\\}}crtbegin.o"
 // CHECK-FSL-PPC: "-L[[SYSROOT]]/usr/lib"
 // RUN: %clang -### %s -no-pie 2>&1 \
-// RUN:     --target=powerpc64-fsl-linux -rtlib=platform \
+// RUN:     --target=powerpc64-fsl-linux -rtlib=platform --unwindlib=platform \
 // RUN:     --gcc-toolchain="" \
 // RUN:     --sysroot=%S/Inputs/freescale_ppc64_tree \
 // RUN:   | FileCheck --check-prefix=CHECK-FSL-PPC64 %s
Index: clang/test/Driver/linux-cross.cpp
===================================================================
--- clang/test/Driver/linux-cross.cpp
+++ clang/test/Driver/linux-cross.cpp
@@ -3,7 +3,7 @@
 /// Test native GCC installation on Arch Linux i686.
 // RUN: %clang -### %s --target=i686-linux-gnu --sysroot=%S/Inputs/archlinux_i686_tree \
 // RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=ARCH_I686
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=ARCH_I686
 // ARCH_I686:      "-resource-dir" "[[RESOURCE:[^"]+]]"
 // ARCH_I686:      "-internal-isystem"
 // ARCH_I686-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/i686-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0"
@@ -25,7 +25,7 @@
 /// Test native x86-64 in the tree.
 // RUN: %clang -### %s --target=x86_64-linux-gnu --sysroot=%S/Inputs/debian_multiarch_tree \
 // RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_X86_64
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_X86_64
 // DEBIAN_X86_64:      "-resource-dir" "[[RESOURCE:[^"]+]]"
 // DEBIAN_X86_64:      "-internal-isystem"
 // DEBIAN_X86_64-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10"
@@ -54,7 +54,7 @@
 /// Test -m32.
 // RUN: %clang -### %s --target=x86_64-linux-gnu -m32 --sysroot=%S/Inputs/debian_multiarch_tree \
 // RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_X86_64_M32
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_X86_64_M32
 // DEBIAN_X86_64_M32:      "-resource-dir" "[[RESOURCE:[^"]+]]"
 // DEBIAN_X86_64_M32:      "-internal-isystem"
 // DEBIAN_X86_64_M32-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10"
@@ -78,7 +78,7 @@
 /// Test native GCC installation on Debian i386.
 // RUN: %clang -### %s --target=i686-linux-gnu --sysroot=%S/Inputs/debian_i386_tree \
 // RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_I686
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_I686
 // DEBIAN_I686:      "-resource-dir" "[[RESOURCE:[^"]+]]"
 // DEBIAN_I686:      "-internal-isystem"
 // DEBIAN_I686-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/i686-linux-gnu/10/../../../../include/c++/10"
@@ -103,7 +103,7 @@
 /// Test -m64 on Debian i386.
 // RUN: %clang -### %s --target=i686-linux-gnu --sysroot=%S/Inputs/debian_i386_tree -m64 \
 // RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_I686_M64
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_I686_M64
 // DEBIAN_I686_M64:      "-resource-dir" "[[RESOURCE:[^"]+]]"
 // DEBIAN_I686_M64:      "-internal-isystem"
 // DEBIAN_I686_M64-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/i686-linux-gnu/10/../../../../include/c++/10"
@@ -129,7 +129,7 @@
 /// Test a cross compiler.
 // RUN: %clang -### %s --target=aarch64-linux-gnu --sysroot=%S/Inputs/debian_multiarch_tree \
 // RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_AARCH64
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=DEBIAN_AARCH64
 // DEBIAN_AARCH64:      "-resource-dir" "[[RESOURCE:[^"]+]]"
 // DEBIAN_AARCH64:      "-internal-isystem"
 // DEBIAN_AARCH64-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc-cross/aarch64-linux-gnu/10/../../../../aarch64-linux-gnu/include/c++/10"
@@ -202,13 +202,13 @@
 
 /// LDSO_ARCH is i386 for all x86-32 variants.
 // RUN: %clang -### %s --target=i686-linux-musl --sysroot= \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=MUSL_I686
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=MUSL_I686
 // MUSL_I686: "-dynamic-linker" "/lib/ld-musl-i386.so.1"
 
 // RUN: %clang -### %s --target=x86_64-linux-muslx32 --sysroot= \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=MUSL_X32
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=MUSL_X32
 // RUN: %clang -### %s --target=i686-linux-musl -mx32 --sysroot= \
-// RUN:   --stdlib=platform --rtlib=platform 2>&1 | FileCheck %s --check-prefix=MUSL_X32
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform 2>&1 | FileCheck %s --check-prefix=MUSL_X32
 // MUSL_X32: "-dynamic-linker" "/lib/ld-musl-x32.so.1"
 
 /// -r suppresses -dynamic-linker, default -l, and crt*.o like -nostdlib.
Index: clang/test/Driver/gcc-toolchain.cpp
===================================================================
--- clang/test/Driver/gcc-toolchain.cpp
+++ clang/test/Driver/gcc-toolchain.cpp
@@ -3,12 +3,12 @@
 /// Without --rtlib=libgcc the driver may pick clang_rt.crtbegin.o if
 /// -DCLANG_DEFAULT_RTLIB=compiler-rt.
 // RUN: %clangxx %s -### --target=x86_64-linux-gnu --sysroot= \
-// RUN:   --gcc-toolchain=%S/Inputs/ubuntu_14.04_multiarch_tree/usr -stdlib=libstdc++ --rtlib=libgcc -no-pie 2>&1 | \
+// RUN:   --gcc-toolchain=%S/Inputs/ubuntu_14.04_multiarch_tree/usr -stdlib=libstdc++ --rtlib=libgcc --unwindlib=libgcc -no-pie 2>&1 | \
 // RUN:   FileCheck %s
 //
 // Additionally check that the legacy spelling of the flag works.
 // RUN: %clangxx %s -### --target=x86_64-linux-gnu --sysroot= \
-// RUN:   --gcc-toolchain=%S/Inputs/ubuntu_14.04_multiarch_tree/usr -stdlib=libstdc++ --rtlib=libgcc -no-pie 2>&1 | \
+// RUN:   --gcc-toolchain=%S/Inputs/ubuntu_14.04_multiarch_tree/usr -stdlib=libstdc++ --rtlib=libgcc --unwindlib=libgcc -no-pie 2>&1 | \
 // RUN:   FileCheck %s
 //
 // Test for header search toolchain detection.
Index: clang/test/Driver/gcc-install-dir.cpp
===================================================================
--- clang/test/Driver/gcc-install-dir.cpp
+++ clang/test/Driver/gcc-install-dir.cpp
@@ -2,7 +2,7 @@
 
 /// Test native GCC installation on Arch Linux i686.
 // RUN: %clang -### %s --target=i686-linux-gnu --sysroot=%S/Inputs/archlinux_i686_tree -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin \
-// RUN:   --stdlib=platform --rtlib=platform \
+// RUN:   --stdlib=platform --rtlib=platform --unwindlib=platform \
 // RUN:   --gcc-install-dir=%S/Inputs/archlinux_i686_tree/usr/lib/gcc/i686-pc-linux-gnu/11.1.0 2>&1 | FileCheck %s --check-prefix=ARCH_I686
 // ARCH_I686:      "-internal-isystem"
 // ARCH_I686-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/i686-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0"
@@ -14,7 +14,7 @@
 
 /// Test native GCC installation on Debian amd64. --gcc-install-dir= may end with /.
 // RUN: %clangxx %s -### --target=x86_64-unknown-linux-gnu --sysroot=%S/Inputs/debian_multiarch_tree \
-// RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir --stdlib=platform --rtlib=platform \
+// RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir --stdlib=platform --rtlib=platform --unwindlib=platform \
 // RUN:   --gcc-install-dir=%S/Inputs/debian_multiarch_tree/usr/lib/gcc/x86_64-linux-gnu/10/ 2>&1 | FileCheck %s --check-prefix=DEBIAN_X86_64
 // DEBIAN_X86_64:      "-internal-isystem"
 // DEBIAN_X86_64-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10"
@@ -28,7 +28,7 @@
 
 /// Test -m32.
 // RUN: %clangxx %s -### --target=x86_64-unknown-linux-gnu -m32 --sysroot=%S/Inputs/debian_multiarch_tree \
-// RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir --stdlib=platform --rtlib=platform \
+// RUN:   -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir --stdlib=platform --rtlib=platform --unwindlib=platform \
 // RUN:   --gcc-install-dir=%S/Inputs/debian_multiarch_tree/usr/lib/gcc/x86_64-linux-gnu/10/ 2>&1 | FileCheck %s --check-prefix=DEBIAN_X86_64_M32
 // DEBIAN_X86_64_M32:      "-internal-isystem"
 // DEBIAN_X86_64_M32-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10"
Index: clang/test/Driver/env.c
===================================================================
--- clang/test/Driver/env.c
+++ clang/test/Driver/env.c
@@ -7,13 +7,13 @@
 // RUN: env -i LC_ALL=C LD_LIBRARY_PATH="$LD_LIBRARY_PATH" CLANG_NO_DEFAULT_CONFIG=1 \
 // RUN:   %clang %s -### -o %t.o --target=i386-unknown-linux \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
-// RUN:     --rtlib=platform -no-pie \
+// RUN:     --rtlib=platform --unwindlib=platform -no-pie \
 // RUN:     --gcc-toolchain="" 2>&1 | FileCheck --check-prefix=CHECK-LD-32 %s
 //
 // RUN: env -i LC_ALL=C PATH="" LD_LIBRARY_PATH="$LD_LIBRARY_PATH" CLANG_NO_DEFAULT_CONFIG=1 \
 // RUN:   %clang %s -### -o %t.o --target=i386-unknown-linux \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
-// RUN:     --rtlib=platform -no-pie \
+// RUN:     --rtlib=platform --unwindlib=platform -no-pie \
 // RUN:     --gcc-toolchain="" 2>&1 | FileCheck --check-prefix=CHECK-LD-32 %s
 //
 // CHECK-LD-32-NOT: warning:
Index: clang/test/Driver/csky-toolchain.c
===================================================================
--- clang/test/Driver/csky-toolchain.c
+++ clang/test/Driver/csky-toolchain.c
@@ -7,7 +7,7 @@
 // In the below tests, --rtlib=platform is used so that the driver ignores
 // the configure-time CLANG_DEFAULT_RTLIB option when choosing the runtime lib
 
-// RUN: %clang -### %s -fuse-ld=ld -no-pie --target=csky-unknown-linux-gnu --rtlib=platform  \
+// RUN: %clang -### %s -fuse-ld=ld -no-pie --target=csky-unknown-linux-gnu --rtlib=platform --unwindlib=platform \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_csky_linux_sdk  2>&1 | FileCheck -check-prefix=C-CSKY-LINUX-MULTI %s
 
 // C-CSKY-LINUX-MULTI: "{{.*}}/Inputs/multilib_csky_linux_sdk/lib/gcc/csky-linux-gnuabiv2/6.3.0/../../..{{/|\\\\}}..{{/|\\\\}}csky-linux-gnuabiv2/bin{{/|\\\\}}ld"
@@ -23,7 +23,7 @@
 // C-CSKY-LINUX-MULTI: "-L{{.*}}/Inputs/multilib_csky_linux_sdk/lib/gcc/csky-linux-gnuabiv2/6.3.0/../../..{{/|\\\\}}..{{/|\\\\}}csky-linux-gnuabiv2/libc/lib"
 // C-CSKY-LINUX-MULTI: "-L{{.*}}/Inputs/multilib_csky_linux_sdk/lib/gcc/csky-linux-gnuabiv2/6.3.0/../../..{{/|\\\\}}..{{/|\\\\}}csky-linux-gnuabiv2/libc/usr/lib"
 
-// RUN: %clang -### %s -fuse-ld=ld -fno-pic -no-pie --target=csky-unknown-linux-gnu --rtlib=platform -march=ck860v \
+// RUN: %clang -### %s -fuse-ld=ld -fno-pic -no-pie --target=csky-unknown-linux-gnu --rtlib=platform --unwindlib=platform -march=ck860v \
 // RUN:   --gcc-toolchain=%S/Inputs/multilib_csky_linux_sdk 2>&1 | FileCheck -check-prefix=C-CSKY-LINUX-CK860V %s
 
 // C-CSKY-LINUX-CK860V: "{{.*}}/Inputs/multilib_csky_linux_sdk/lib/gcc/csky-linux-gnuabiv2/6.3.0/../../..{{/|\\\\}}..{{/|\\\\}}csky-linux-gnuabiv2/bin{{/|\\\\}}ld"
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