https://llvm.org/bugs/show_bug.cgi?id=28551
Bug ID: 28551
Summary: Regression(r275401): assert while building ffmpeg
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
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
https://build.chromium.org/p/chromium.fyi/builders/ClangToTMac%20%28dbg%29/builds/5679/steps/compile/logs/stdio
FAILED: obj/third_party/ffmpeg/libavutil/ffmpeg.eval.o
../../third_party/llvm-build/Release+Asserts/bin/clang -MMD -MF
obj/third_party/ffmpeg/libavutil/ffmpeg.eval.o.d -DV8_DEPRECATION_WARNINGS
-D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -DCHROMIUM_BUILD
-DCR_CLANG_REVISION=275412 -DCOMPONENT_BUILD -DUSE_LIBJPEG_TURBO=1
-DENABLE_WEBRTC=1 -DENABLE_MEDIA_ROUTER=1 -DENABLE_PEPPER_CDMS
-DENABLE_NOTIFICATIONS -DUSE_EXTERNAL_POPUP_MENU -DFIELDTRIAL_TESTING_ENABLED
-DENABLE_TASK_MANAGER=1 -DENABLE_EXTENSIONS=1 -DENABLE_PDF=1
-DENABLE_PLUGIN_INSTALLATION=1 -DENABLE_PLUGINS=1 -DENABLE_SESSION_SERVICE=1
-DENABLE_THEMES=1 -DENABLE_PRINTING=1 -DENABLE_BASIC_PRINTING=1
-DENABLE_PRINT_PREVIEW=1 -DENABLE_SPELLCHECK=1 -DUSE_BROWSER_SPELLCHECKER=1
-DENABLE_CAPTIVE_PORTAL_DETECTION=1 -DENABLE_SUPERVISED_USERS=1
-DENABLE_SERVICE_DISCOVERY=1 -DV8_USE_EXTERNAL_STARTUP_DATA
-DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL
-DHAVE_AV_CONFIG_H -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC
-DFF_API_CONVERGENCE_DURATION=0 -D_DARWIN_C_SOURCE -DUSE_LIBPCI=1
-DDYNAMIC_ANNOTATIONS_ENABLED=1 -DWTF_USE_DYNAMIC_ANNOTATIONS=1 -Igen
-I../../third_party/ffmpeg/chromium/config/Chromium/mac/x64
-I../../third_party/ffmpeg -isysroot
/Applications/Xcode7.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk
-O2 -Werror -mmacosx-version-min=10.7 -arch x86_64 -Wall -Wno-unused-parameter
-Wno-missing-field-initializers -Wno-selector-type-mismatch
-Wpartial-availability -Wheader-hygiene -Wno-char-subscripts
-Wno-unneeded-internal-declaration -Wno-covered-switch-default
-Wstring-conversion -Wno-c++11-narrowing -Wno-deprecated-register
-Wno-inconsistent-missing-override -Wno-shift-negative-value
-Wno-undefined-var-template -Wno-nonportable-include-path -Wno-absolute-value
-Wno-deprecated-declarations -Wno-incompatible-pointer-types -Wno-parentheses
-Wno-pointer-sign -Wno-switch -Wno-unused-label -Wno-unused-variable
-Wno-string-conversion -Wno-sometimes-uninitialized -Wno-unused-function
-Wno-constant-conversion -Wno-unused-variable -std=c99 -fcolor-diagnostics
-fno-strict-aliasing -fstack-protector-strong -c
../../third_party/ffmpeg/libavutil/eval.c -o
obj/third_party/ffmpeg/libavutil/ffmpeg.eval.o
Assertion failed: (A != B), function operator(), file
/b/c/b/ClangToTMac__dbg_/src/third_party/llvm/lib/Transforms/Scalar/GVNHoist.cpp,
line 67.
Stack dump:
0. Program arguments:
/b/c/b/ClangToTMac__dbg_/src/third_party/llvm-build/Release+Asserts/bin/clang-3.9
-cc1 -triple x86_64-apple-macosx10.7.0 -Wdeprecated-objc-isa-usage
-Werror=deprecated-objc-isa-usage -emit-obj -disable-free -main-file-name
eval.c -mrelocation-model pic -pic-level 2 -mthread-model posix
-mdisable-fp-elim -relaxed-aliasing -masm-verbose -munwind-tables -target-cpu
core2 -target-linker-version 253.3 -dwarf-column-info -debugger-tuning=lldb
-coverage-file
/b/c/b/ClangToTMac__dbg_/src/out/Debug/obj/third_party/ffmpeg/libavutil/ffmpeg.eval.o
-resource-dir
/b/c/b/ClangToTMac__dbg_/src/third_party/llvm-build/Release+Asserts/bin/../lib/clang/3.9.0
-dependency-file obj/third_party/ffmpeg/libavutil/ffmpeg.eval.o.d -MT
obj/third_party/ffmpeg/libavutil/ffmpeg.eval.o -isysroot
/Applications/Xcode7.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk
-D V8_DEPRECATION_WARNINGS -D
__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -D CHROMIUM_BUILD -D
CR_CLANG_REVISION=275412 -D COMPONENT_BUILD -D USE_LIBJPEG_TURBO=1 -D
ENABLE_WEBRTC=1 -D ENABLE_MEDIA_ROUTER=1 -D ENABLE_PEPPER_CDMS -D
ENABLE_NOTIFICATIONS -D USE_EXTERNAL_POPUP_MENU -D FIELDTRIAL_TESTING_ENABLED
-D ENABLE_TASK_MANAGER=1 -D ENABLE_EXTENSIONS=1 -D ENABLE_PDF=1 -D
ENABLE_PLUGIN_INSTALLATION=1 -D ENABLE_PLUGINS=1 -D ENABLE_SESSION_SERVICE=1 -D
ENABLE_THEMES=1 -D ENABLE_PRINTING=1 -D ENABLE_BASIC_PRINTING=1 -D
ENABLE_PRINT_PREVIEW=1 -D ENABLE_SPELLCHECK=1 -D USE_BROWSER_SPELLCHECKER=1 -D
ENABLE_CAPTIVE_PORTAL_DETECTION=1 -D ENABLE_SUPERVISED_USERS=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
HAVE_AV_CONFIG_H -D _POSIX_C_SOURCE=200112 -D _XOPEN_SOURCE=600 -D PIC -D
FF_API_CONVERGENCE_DURATION=0 -D _DARWIN_C_SOURCE -D USE_LIBPCI=1 -D
DYNAMIC_ANNOTATIONS_ENABLED=1 -D WTF_USE_DYNAMIC_ANNOTATIONS=1 -I gen -I
../../third_party/ffmpeg/chromium/config/Chromium/mac/x64 -I
../../third_party/ffmpeg -O2 -Werror -Wall -Wno-unused-parameter
-Wno-missing-field-initializers -Wno-selector-type-mismatch
-Wpartial-availability -Wheader-hygiene -Wno-char-subscripts
-Wno-unneeded-internal-declaration -Wno-covered-switch-default
-Wstring-conversion -Wno-c++11-narrowing -Wno-deprecated-register
-Wno-inconsistent-missing-override -Wno-shift-negative-value
-Wno-undefined-var-template -Wno-nonportable-include-path -Wno-absolute-value
-Wno-deprecated-declarations -Wno-incompatible-pointer-types -Wno-parentheses
-Wno-pointer-sign -Wno-switch -Wno-unused-label -Wno-unused-variable
-Wno-string-conversion -Wno-sometimes-uninitialized -Wno-unused-function
-Wno-constant-conversion -Wno-unused-variable -std=c99 -fdebug-compilation-dir
/b/c/b/ClangToTMac__dbg_/src/out/Debug -ferror-limit 19 -fmessage-length 0
-stack-protector 2 -fblocks -fobjc-runtime=macosx-10.7.0
-fencode-extended-block-signature -fmax-type-align=16 -fdiagnostics-show-option
-fcolor-diagnostics -vectorize-loops -vectorize-slp -o
obj/third_party/ffmpeg/libavutil/ffmpeg.eval.o -x c
../../third_party/ffmpeg/libavutil/eval.c
1. <eof> parser at end of file
2. Per-function optimization
3. Running pass 'Early GVN Hoisting of Expressions' on function '@eval_expr'
Repro coming soon.
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