https://llvm.org/bugs/show_bug.cgi?id=25939
Bug ID: 25939
Summary: Regression(256332:256344): Assertion `use_empty() &&
"Uses remain when a value is destroyed!"' failed while
building chrome
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Transformation Utilities
Assignee: unassignedb...@nondot.org
Reporter: nicolaswe...@gmx.de
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
All our clang tot bots are red with
FAILED: ../../third_party/llvm-build/Release+Asserts/bin/clang -MMD -MF
obj/third_party/libvpx_new/source/libvpx/vp8/common/libvpx_new.vp8_loopfilter.o.d
-DV8_DEPRECATION_WARNINGS -DCLD_VERSION=2 -D_FILE_OFFSET_BITS=64
-DCHROMIUM_BUILD -DCR_CLANG_REVISION=256344 -DCOMPONENT_BUILD
-DUI_COMPOSITOR_IMAGE_TRANSPORT -DUSE_AURA=1 -DUSE_ASH=1 -DUSE_PANGO=1
-DUSE_CAIRO=1 -DUSE_DEFAULT_RENDER_THEME=1 -DUSE_LIBJPEG_TURBO=1 -DUSE_X11=1
-DUSE_CLIPBOARD_AURAX11=1 -DENABLE_ONE_CLICK_SIGNIN -DENABLE_WEBRTC=1
-DENABLE_MEDIA_ROUTER=1 -DENABLE_PEPPER_CDMS -DENABLE_CONFIGURATION_POLICY
-DENABLE_NOTIFICATIONS -DENABLE_HIDPI=1 -DENABLE_TOPCHROME_MD=1 -DUSE_UDEV
-DDONT_EMBED_BUILD_METADATA -DFIELDTRIAL_TESTING_ENABLED
-DENABLE_TASK_MANAGER=1 -DENABLE_EXTENSIONS=1 -DENABLE_PDF=1 -DENABLE_PLUGINS=1
-DENABLE_SESSION_SERVICE=1 -DENABLE_THEMES=1 -DENABLE_AUTOFILL_DIALOG=1
-DENABLE_BACKGROUND=1 -DENABLE_PRINTING=1 -DENABLE_BASIC_PRINTING=1
-DENABLE_PRINT_PREVIEW=1 -DENABLE_SPELLCHECK=1
-DENABLE_CAPTIVE_PORTAL_DETECTION=1 -DENABLE_APP_LIST=1 -DENABLE_SETTINGS_APP=1
-DENABLE_SUPERVISED_USERS=1 -DENABLE_MDNS=1 -DENABLE_SERVICE_DISCOVERY=1
-DV8_USE_EXTERNAL_STARTUP_DATA -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD
-DSAFE_BROWSING_DB_LOCAL -DUSE_LIBPCI=1 -DUSE_OPENSSL=1 -DUSE_GLIB=1
-DUSE_NSS_CERTS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -Igen
-I../../third_party/libvpx_new/source/config/linux/x64
-I../../third_party/libvpx_new/source/config
-I../../third_party/libvpx_new/source/libvpx
-I../../third_party/libvpx_new/source/libvpx/vp8/common
-I../../third_party/libvpx_new/source/libvpx/vp8/decoder
-I../../third_party/libvpx_new/source/libvpx/vp8/encoder
-Igen/third_party/libvpx_new -fstack-protector --param=ssp-buffer-size=4
-pthread -fno-strict-aliasing -Wno-unused-parameter
-Wno-missing-field-initializers -fvisibility=hidden -pipe -fPIC
-Wno-reserved-user-defined-literal -fcolor-diagnostics -g
-B/b/build/slave/ClangToTLinux/build/src/third_party/binutils/Linux_x64/Release/bin
-Wno-conversion -Wno-parentheses-equality -Wno-unused-function -Wheader-hygiene
-Wno-char-subscripts -Wno-unneeded-internal-declaration
-Wno-covered-switch-default -Wno-c++11-narrowing -Wno-deprecated-register
-Wno-inconsistent-missing-override -Wno-shift-negative-value
-Wno-bitfield-width -Wno-unused-variable -Wno-format -Wno-unused-result -m64
-march=x86-64
--sysroot=/b/build/slave/ClangToTLinux/build/src/build/linux/debian_wheezy_amd64-sysroot
-O2 -fno-ident -fdata-sections -ffunction-sections -funwind-tables -c
../../third_party/libvpx_new/source/libvpx/vp8/common/vp8_loopfilter.c -o
obj/third_party/libvpx_new/source/libvpx/vp8/common/libvpx_new.vp8_loopfilter.o
While deleting: i8 %
Use still stuck around after Def is destroyed: call void
@llvm.memset.p0i8.i64(i8* %scevgep, i8 <badref>, i64 64, i32 16, i1 false),
!dbg !766
clang-3.8:
/b/build/slave/ClangToTLinux/build/src/third_party/llvm/lib/IR/Value.cpp:82:
virtual llvm::Value::~Value(): Assertion `use_empty() && "Uses remain when a
value is destroyed!"' failed.
0 clang-3.8 0x000000000194ae35 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
+ 37
1 clang-3.8 0x0000000001948bc6 llvm::sys::RunSignalHandlers() + 54
2 clang-3.8 0x0000000001948df1
3 libc.so.6 0x00007f3935904150
4 libc.so.6 0x00007f39359040d5 gsignal + 53
5 libc.so.6 0x00007f393590783b abort + 379
6 libc.so.6 0x00007f39358fcd9e
7 libc.so.6 0x00007f39358fce42
8 clang-3.8 0x000000000161ba8f
9 clang-3.8 0x00000000015c8cd7
10 clang-3.8 0x00000000014ce3fc llvm::BasicBlock::~BasicBlock() + 140
11 clang-3.8 0x00000000014ce5b9 llvm::BasicBlock::~BasicBlock() + 9
12 clang-3.8 0x00000000014ccc12 llvm::BasicBlock::eraseFromParent() + 114
13 clang-3.8 0x000000000181c079
14 clang-3.8 0x000000000211b8d7
llvm::LPPassManager::runOnFunction(llvm::Function&) + 1607
15 clang-3.8 0x00000000015f25e3
llvm::FPPassManager::runOnFunction(llvm::Function&) + 643
16 clang-3.8 0x00000000020fe910
17 clang-3.8 0x00000000015f2caf
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 751
18 clang-3.8 0x0000000001a78d59
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions
const&, clang::TargetOptions const&, clang::LangOptions const&,
llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_pwrite_stream*,
std::unique_ptr<llvm::FunctionInfoIndex,
std::default_delete<llvm::FunctionInfoIndex> >) + 2185
19 clang-3.8 0x0000000002019603
20 clang-3.8 0x00000000023bfb2b clang::ParseAST(clang::Sema&, bool, bool) + 571
21 clang-3.8 0x000000000201981b clang::CodeGenAction::ExecuteAction() + 59
22 clang-3.8 0x0000000001d608c6 clang::FrontendAction::Execute() + 534
23 clang-3.8 0x0000000001d3d02e
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 318
24 clang-3.8 0x0000000001df0a5a
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 2090
25 clang-3.8 0x0000000000770748 cc1_main(llvm::ArrayRef<char const*>, char
const*, void*) + 2392
26 clang-3.8 0x000000000072f244 main + 6148
27 libc.so.6 0x00007f39358ef76d __libc_start_main + 237
28 clang-3.8 0x000000000076c7a5
Stack dump:
0. Program arguments:
/b/build/slave/ClangToTLinux/build/src/third_party/llvm-build/Release+Asserts/bin/clang-3.8
-cc1 -triple x86_64-unknown-linux-gnu -emit-obj -disable-free -main-file-name
vp8_loopfilter.c -mrelocation-model pic -pic-level 2 -mthread-model posix
-relaxed-aliasing -fmath-errno -masm-verbose -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -momit-leaf-frame-pointer -dwarf-column-info
-debug-info-kind=limited -dwarf-version=4 -debugger-tuning=gdb
-ffunction-sections -fdata-sections -coverage-file
/b/build/slave/ClangToTLinux/build/src/out/Release/obj/third_party/libvpx_new/source/libvpx/vp8/common/libvpx_new.vp8_loopfilter.o
-resource-dir
/b/build/slave/ClangToTLinux/build/src/third_party/llvm-build/Release+Asserts/bin/../lib/clang/3.8.0
-dependency-file
obj/third_party/libvpx_new/source/libvpx/vp8/common/libvpx_new.vp8_loopfilter.o.d
-MT
obj/third_party/libvpx_new/source/libvpx/vp8/common/libvpx_new.vp8_loopfilter.o
-D V8_DEPRECATION_WARNINGS -D CLD_VERSION=2 -D _FILE_OFFSET_BITS=64 -D
CHROMIUM_BUILD -D CR_CLANG_REVISION=256344 -D COMPONENT_BUILD -D
UI_COMPOSITOR_IMAGE_TRANSPORT -D USE_AURA=1 -D USE_ASH=1 -D USE_PANGO=1 -D
USE_CAIRO=1 -D USE_DEFAULT_RENDER_THEME=1 -D USE_LIBJPEG_TURBO=1 -D USE_X11=1
-D USE_CLIPBOARD_AURAX11=1 -D ENABLE_ONE_CLICK_SIGNIN -D ENABLE_WEBRTC=1 -D
ENABLE_MEDIA_ROUTER=1 -D ENABLE_PEPPER_CDMS -D ENABLE_CONFIGURATION_POLICY -D
ENABLE_NOTIFICATIONS -D ENABLE_HIDPI=1 -D ENABLE_TOPCHROME_MD=1 -D USE_UDEV -D
DONT_EMBED_BUILD_METADATA -D FIELDTRIAL_TESTING_ENABLED -D
ENABLE_TASK_MANAGER=1 -D ENABLE_EXTENSIONS=1 -D ENABLE_PDF=1 -D
ENABLE_PLUGINS=1 -D ENABLE_SESSION_SERVICE=1 -D ENABLE_THEMES=1 -D
ENABLE_AUTOFILL_DIALOG=1 -D ENABLE_BACKGROUND=1 -D ENABLE_PRINTING=1 -D
ENABLE_BASIC_PRINTING=1 -D ENABLE_PRINT_PREVIEW=1 -D ENABLE_SPELLCHECK=1 -D
ENABLE_CAPTIVE_PORTAL_DETECTION=1 -D ENABLE_APP_LIST=1 -D ENABLE_SETTINGS_APP=1
-D ENABLE_SUPERVISED_USERS=1 -D ENABLE_MDNS=1 -D ENABLE_SERVICE_DISCOVERY=1 -D
V8_USE_EXTERNAL_STARTUP_DATA -D FULL_SAFE_BROWSING -D SAFE_BROWSING_CSD -D
SAFE_BROWSING_DB_LOCAL -D USE_LIBPCI=1 -D USE_OPENSSL=1 -D USE_GLIB=1 -D
USE_NSS_CERTS=1 -D NDEBUG -D NVALGRIND -D DYNAMIC_ANNOTATIONS_ENABLED=0 -I gen
-I ../../third_party/libvpx_new/source/config/linux/x64 -I
../../third_party/libvpx_new/source/config -I
../../third_party/libvpx_new/source/libvpx -I
../../third_party/libvpx_new/source/libvpx/vp8/common -I
../../third_party/libvpx_new/source/libvpx/vp8/decoder -I
../../third_party/libvpx_new/source/libvpx/vp8/encoder -I
gen/third_party/libvpx_new -isysroot
/b/build/slave/ClangToTLinux/build/src/build/linux/debian_wheezy_amd64-sysroot
-internal-isystem
/b/build/slave/ClangToTLinux/build/src/build/linux/debian_wheezy_amd64-sysroot/usr/local/include
-internal-isystem
/b/build/slave/ClangToTLinux/build/src/third_party/llvm-build/Release+Asserts/bin/../lib/clang/3.8.0/include
-internal-externc-isystem
/b/build/slave/ClangToTLinux/build/src/build/linux/debian_wheezy_amd64-sysroot/usr/include/x86_64-linux-gnu
-internal-externc-isystem
/b/build/slave/ClangToTLinux/build/src/build/linux/debian_wheezy_amd64-sysroot/include
-internal-externc-isystem
/b/build/slave/ClangToTLinux/build/src/build/linux/debian_wheezy_amd64-sysroot/usr/include
-O2 -Wno-unused-parameter -Wno-missing-field-initializers
-Wno-reserved-user-defined-literal -Wno-conversion -Wno-parentheses-equality
-Wno-unused-function -Wheader-hygiene -Wno-char-subscripts
-Wno-unneeded-internal-declaration -Wno-covered-switch-default
-Wno-c++11-narrowing -Wno-deprecated-register
-Wno-inconsistent-missing-override -Wno-shift-negative-value
-Wno-bitfield-width -Wno-unused-variable -Wno-format -Wno-unused-result
-fdebug-compilation-dir /b/build/slave/ClangToTLinux/build/src/out/Release
-ferror-limit 19 -fmessage-length 0 -fvisibility hidden -pthread
-stack-protector 1 -stack-protector-buffer-size 4 -fobjc-runtime=gcc
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-o
obj/third_party/libvpx_new/source/libvpx/vp8/common/libvpx_new.vp8_loopfilter.o
-x c ../../third_party/libvpx_new/source/libvpx/vp8/common/vp8_loopfilter.c
1. <eof> parser at end of file
2. Per-module optimization passes
3. Running pass 'CallGraph Pass Manager' on module
'../../third_party/libvpx_new/source/libvpx/vp8/common/vp8_loopfilter.c'.
4. Running pass 'Loop Pass Manager' on function '@vp8_loop_filter_init'
5. Running pass 'Delete dead loops' on basic block '%for.body'
clang-3.8: error: unable to execute command: Aborted (core dumped)
clang-3.8: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.8.0 (trunk 256344)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir:
/b/build/slave/ClangToTLinux/build/src/out/Release/../../third_party/llvm-build/Release+Asserts/bin
clang-3.8: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang-3.8: note: diagnostic msg:
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