Crash while handling incomplete type of nested name specifier


Bugzilla Link	27919
Resolution	WORKSFORME
Resolved on	Jun 02, 2016 13:23
Version	trunk
OS	Linux
Attachments	URL of zip archive containing preprocessed source and run script
Reporter	LLVM Bugzilla Contributor
CC	@hfinkel,@nico,@rnk

Extended Description

Got the following crash while accidentally compiling a program which referred to a nested name specifier of an incomplete type (not forward-declared, not declared).

clang version 3.9.0 (trunk 270823).

FAILED: obj/third_party/WebKit/Source/modules/modules/EXTTextureFilterAnisotropic.o /usr/local/google/home/kbr/goma/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/third_party/WebKit/Source/modules/modules/EXTTextureFilterAnisotropic.o.d -DBLINK_MODULES_IMPLEMENTATION=1 -DV8_DEPRECATION_WARNINGS -DENABLE_MDNS=1 -DENABLE_NOTIFICATIONS -DENABLE_PEPPER_CDMS -DENABLE_PLUGINS=1 -DENABLE_PDF=1 -DENABLE_PRINTING=1 -DENABLE_BASIC_PRINTING=1 -DENABLE_PRINT_PREVIEW=1 -DENABLE_SPELLCHECK=1 -DDCHECK_ALWAYS_ON=1 -DUSE_UDEV -DUI_COMPOSITOR_IMAGE_TRANSPORT -DUSE_AURA=1 -DUSE_PANGO=1 -DUSE_CAIRO=1 -DUSE_CLIPBOARD_AURAX11=1 -DUSE_DEFAULT_RENDER_THEME=1 -DUSE_GLIB=1 -DUSE_NSS_CERTS=1 -DUSE_X11=1 -DENABLE_WEBRTC=1 -DENABLE_EXTENSIONS=1 -DENABLE_TASK_MANAGER=1 -DENABLE_THEMES=1 -DENABLE_CAPTIVE_PORTAL_DETECTION=1 -DENABLE_SESSION_SERVICE=1 -DENABLE_SUPERVISED_USERS=1 -DENABLE_SERVICE_DISCOVERY=1 -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DENABLE_MEDIA_ROUTER=1 -DFIELDTRIAL_TESTING_ENABLED -DCR_CLANG_REVISION=270823-1 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DSTDC_CONSTANT_MACROS -DSTDC_FORMAT_MACROS -DCOMPONENT_BUILD -D_DEBUG -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DWTF_USE_DYNAMIC_ANNOTATIONS=1 -D_GLIBCXX_DEBUG=1 -DBLINK_IMPLEMENTATION=1 -DINSIDE_BLINK -DENABLE_LAYOUT_UNIT_IN_INLINE_BOXES=0 -DENABLE_OILPAN=1 -DWTF_USE_DYNAMIC_ANNOTATIONS=1 -DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1 -DWTF_USE_ICCJPEG=1 -DWTF_USE_QCMSLIB=1 -DWTF_USE_WEBAUDIO_FFMPEG=1 -DWTF_USE_DEFAULT_RENDER_THEME=1 -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DU_NOEXCEPT= -DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -DMOJO_USE_SYSTEM_IMPL -DGL_GLEXT_PROTOTYPES -DUSE_GLX -DUSE_EGL -DSK_SUPPORT_LEGACY_TYPEFACE_MAKE_FROM_NAME -DSK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS -DSKIA_DLL -DGR_GL_IGNORE_ES3_MSAA=0 -DSK_SUPPORT_GPU=1 -DANGLE_ENABLE_RELEASE_ASSERTS -DCHROME_PNG_WRITE_SUPPORT -DPNG_USER_CONFIG -DLIBXSLT_STATIC -DV8_SHARED -DUSING_V8_SHARED -DGOOGLE_PROTOBUF_NO_RTTI -DGOOGLE_PROTOBUF_NO_STATIC_INITIALIZER -DHAVE_PTHREAD -DPROTOBUF_USE_DLLS -DBORINGSSL_SHARED_LIBRARY -DUSE_LIBJPEG_TURBO=1 -I../.. -Igen -I../../third_party/WebKit/Source -I../../third_party/WebKit -Igen/blink -Igen/third_party/WebKit -I../../build/linux/debian_wheezy_amd64-sysroot/usr/include/glib-2.0 -I../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/x86_64-linux-gnu/glib-2.0/include -I../../third_party/icu/source/common -I../../third_party/icu/source/i18n -I../../third_party/khronos -I../../gpu -I../../third_party/libwebp -I../../third_party/WebKit/Source -Igen/blink -I../../skia/config -I../../skia/ext -I../../third_party/skia/include/c -I../../third_party/skia/include/config -I../../third_party/skia/include/core -I../../third_party/skia/include/effects -I../../third_party/skia/include/images -I../../third_party/skia/include/lazy -I../../third_party/skia/include/pathops -I../../third_party/skia/include/pdf -I../../third_party/skia/include/pipe -I../../third_party/skia/include/ports -I../../third_party/skia/include/utils -I../../third_party/skia/include/gpu -I../../third_party/skia/src/gpu -I../../third_party/angle/include -Igen/angle -I../../third_party/iccjpeg -I../../third_party/libpng -I../../third_party/zlib -I../../third_party/libxml/src/include -I../../third_party/libxml/linux/include -I../../third_party/libxslt -I../../third_party/ots/include -I../../third_party/qcms/src -I../../third_party/snappy/src -I../../third_party/snappy/linux -I../../v8/include -I../../third_party/mesa/src/include -I../../third_party/protobuf/src -Igen/protoc_out -I../../third_party/protobuf/src -I../../build/linux/debian_wheezy_amd64-sysroot/usr/include/nss -I../../build/linux/debian_wheezy_amd64-sysroot/usr/include/nspr -I../../third_party/boringssl/src/include -I../../third_party/libjpeg_turbo -fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector -funwind-tables -fPIC -pipe -B../../third_party/binutils/Linux_x64/Release/bin -fcolor-diagnostics -fdebug-prefix-map=/usr/local/google/home/kbr/src/chrome/src=. -pthread -m64 -march=x86-64 -Wall -Werror -Wextra -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-deprecated-register -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-shift-negative-value -Wno-undefined-var-template -O0 -g1 -gsplit-dwarf --sysroot=../../build/linux/debian_wheezy_amd64-sysroot -fvisibility=hidden -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.so -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-templates -Xclang -plugin-arg-find-bad-constructs -Xclang follow-macro-expansion -Xclang -plugin-arg-find-bad-constructs -Xclang check-implicit-copy-ctors -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Wheader-hygiene -Wstring-conversion -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libBlinkGCPlugin.so -Xclang -add-plugin -Xclang blink-gc-plugin -DLIBXML_STATIC= -Wno-header-guard -fno-threadsafe-statics -fvisibility-inlines-hidden -Wno-undefined-bool-conversion -Wno-tautological-undefined-compare -std=gnu++11 -fno-rtti -fno-exceptions -c ../../third_party/WebKit/Source/modules/webgl/EXTTextureFilterAnisotropic.cpp -o obj/third_party/WebKit/Source/modules/modules/EXTTextureFilterAnisotropic.o 0 clang 0x00000000019b7c08 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40 1 clang 0x00000000019b5e06 llvm::sys::RunSignalHandlers() + 54 2 clang 0x00000000019b82de 3 libpthread.so.0 0x00007eff3316a340 4 clang 0x0000000001ae3023 5 clang 0x0000000001ae2dba clang::SourceManager::getLineNumber(clang::FileID, unsigned int, bool) const + 186 6 clang 0x0000000001ae2a5a clang::SourceManager::getPresumedLoc(clang::SourceLocation, bool) const + 218 7 clang 0x0000000001f72fd3 clang::DiagnosticRenderer::emitDiagnostic(clang::SourceLocation, clang::DiagnosticsEngine::Level, llvm::StringRef, llvm::ArrayRef, llvm::ArrayRef, clang::SourceManager const, llvm::PointerUnion<clang::Diagnostic const, clang::StoredDiagnostic const>) + 1587 8 clang 0x0000000001f3384e clang::TextDiagnosticPrinter::HandleDiagnostic(clang::DiagnosticsEngine::Level, clang::Diagnostic const&) + 1374 9 clang 0x0000000001adc066 clang::DiagnosticIDs::ProcessDiag(clang::DiagnosticsEngine&) const + 438 10 clang 0x0000000001ad6dea clang::DiagnosticsEngine::EmitCurrentDiagnostic(bool) + 90 11 clang 0x0000000002825d8c clang::Sema::EmitCurrentDiagnostic(unsigned int) + 348 12 clang 0x00000000028d2b1f clang::Sema::DiagnoseUnknownTypeName(clang::IdentifierInfo&, clang::SourceLocation, clang::Scope, clang::CXXScopeSpec, clang::OpaquePtr&, bool) + 2271 13 clang 0x000000000261a9a4 clang::Parser::ParseImplicitInt(clang::DeclSpec&, clang::CXXScopeSpec, clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier, clang::Parser::DeclSpecContext, clang::Parser::ParsedAttributesWithRange&) + 2964 14 clang 0x0000000002615403 clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&, clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier, clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList) + 8675 15 clang 0x00000000025ff07f clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec&, clang::AccessSpecifier) + 63 16 clang 0x00000000025fed40 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec, clang::AccessSpecifier) + 416 17 clang 0x00000000025fde24 clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec) + 2180 18 clang 0x00000000025fd407 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr&) + 359 19 clang 0x00000000025f9266 clang::ParseAST(clang::Sema&, bool, bool) + 518 20 clang 0x0000000001ee32a5 clang::FrontendAction::Execute() + 69 21 clang 0x0000000001eab091 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 1073 22 clang 0x0000000001f7c431 clang::ExecuteCompilerInvocation(clang::CompilerInstance) + 3505 23 clang 0x000000000075811e cc1_main(llvm::ArrayRef<char const>, char const, void*) + 1022 24 clang 0x00000000007565ca main + 10538 25 libc.so.6 0x00007eff3237eec5 __libc_start_main + 245 26 clang 0x0000000000753b92 Stack dump:

Program arguments: /usr/local/google/home/kbr/src/chrome/src/third_party/llvm-build/Release+Asserts/bin/clang -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free -main-file-name EXTTextureFilterAnisotropic.cpp -mrelocation-model pic -pic-level 2 -mthread-model posix -mdisable-fp-elim -relaxed-aliasing -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -dwarf-column-info -backend-option -split-dwarf=Enable -debug-info-kind=limited -dwarf-version=4 -debugger-tuning=gdb -coverage-file /usr/local/google/home/kbr/src/chrome/src/out/Debug/obj/third_party/WebKit/Source/modules/modules/EXTTextureFilterAnisotropic.o -resource-dir /usr/local/google/home/kbr/src/chrome/src/third_party/llvm-build/Release+Asserts/bin/../lib/clang/3.9.0 -dependency-file obj/third_party/WebKit/Source/modules/modules/EXTTextureFilterAnisotropic.o.d -MT obj/third_party/WebKit/Source/modules/modules/EXTTextureFilterAnisotropic.o -D BLINK_MODULES_IMPLEMENTATION=1 -D V8_DEPRECATION_WARNINGS -D ENABLE_MDNS=1 -D ENABLE_NOTIFICATIONS -D ENABLE_PEPPER_CDMS -D ENABLE_PLUGINS=1 -D ENABLE_PDF=1 -D ENABLE_PRINTING=1 -D ENABLE_BASIC_PRINTING=1 -D ENABLE_PRINT_PREVIEW=1 -D ENABLE_SPELLCHECK=1 -D DCHECK_ALWAYS_ON=1 -D USE_UDEV -D UI_COMPOSITOR_IMAGE_TRANSPORT -D USE_AURA=1 -D USE_PANGO=1 -D USE_CAIRO=1 -D USE_CLIPBOARD_AURAX11=1 -D USE_DEFAULT_RENDER_THEME=1 -D USE_GLIB=1 -D USE_NSS_CERTS=1 -D USE_X11=1 -D ENABLE_WEBRTC=1 -D ENABLE_EXTENSIONS=1 -D ENABLE_TASK_MANAGER=1 -D ENABLE_THEMES=1 -D ENABLE_CAPTIVE_PORTAL_DETECTION=1 -D ENABLE_SESSION_SERVICE=1 -D ENABLE_SUPERVISED_USERS=1 -D ENABLE_SERVICE_DISCOVERY=1 -D FULL_SAFE_BROWSING -D SAFE_BROWSING_CSD -D SAFE_BROWSING_DB_LOCAL -D CHROMIUM_BUILD -D ENABLE_MEDIA_ROUTER=1 -D FIELDTRIAL_TESTING_ENABLED -D CR_CLANG_REVISION=270823-1 -D _FILE_OFFSET_BITS=64 -D _LARGEFILE_SOURCE -D _LARGEFILE64_SOURCE -D STDC_CONSTANT_MACROS -D STDC_FORMAT_MACROS -D COMPONENT_BUILD -D _DEBUG -D DYNAMIC_ANNOTATIONS_ENABLED=1 -D WTF_USE_DYNAMIC_ANNOTATIONS=1 -D _GLIBCXX_DEBUG=1 -D BLINK_IMPLEMENTATION=1 -D INSIDE_BLINK -D ENABLE_LAYOUT_UNIT_IN_INLINE_BOXES=0 -D ENABLE_OILPAN=1 -D WTF_USE_DYNAMIC_ANNOTATIONS=1 -D WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1 -D WTF_USE_ICCJPEG=1 -D WTF_USE_QCMSLIB=1 -D WTF_USE_WEBAUDIO_FFMPEG=1 -D WTF_USE_DEFAULT_RENDER_THEME=1 -D U_USING_ICU_NAMESPACE=0 -D U_ENABLE_DYLOAD=0 -D U_NOEXCEPT= -D ICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -D MOJO_USE_SYSTEM_IMPL -D GL_GLEXT_PROTOTYPES -D USE_GLX -D USE_EGL -D SK_SUPPORT_LEGACY_TYPEFACE_MAKE_FROM_NAME -D SK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS -D SKIA_DLL -D GR_GL_IGNORE_ES3_MSAA=0 -D SK_SUPPORT_GPU=1 -D ANGLE_ENABLE_RELEASE_ASSERTS -D CHROME_PNG_WRITE_SUPPORT -D PNG_USER_CONFIG -D LIBXSLT_STATIC -D V8_SHARED -D USING_V8_SHARED -D GOOGLE_PROTOBUF_NO_RTTI -D GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER -D HAVE_PTHREAD -D PROTOBUF_USE_DLLS -D BORINGSSL_SHARED_LIBRARY -D USE_LIBJPEG_TURBO=1 -I ../.. -I gen -I ../../third_party/WebKit/Source -I ../../third_party/WebKit -I gen/blink -I gen/third_party/WebKit -I ../../build/linux/debian_wheezy_amd64-sysroot/usr/include/glib-2.0 -I ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/x86_64-linux-gnu/glib-2.0/include -I ../../third_party/icu/source/common -I ../../third_party/icu/source/i18n -I ../../third_party/khronos -I ../../gpu -I ../../third_party/libwebp -I ../../third_party/WebKit/Source -I gen/blink -I ../../skia/config -I ../../skia/ext -I ../../third_party/skia/include/c -I ../../third_party/skia/include/config -I ../../third_party/skia/include/core -I ../../third_party/skia/include/effects -I ../../third_party/skia/include/images -I ../../third_party/skia/include/lazy -I ../../third_party/skia/include/pathops -I ../../third_party/skia/include/pdf -I ../../third_party/skia/include/pipe -I ../../third_party/skia/include/ports -I ../../third_party/skia/include/utils -I ../../third_party/skia/include/gpu -I ../../third_party/skia/src/gpu -I ../../third_party/angle/include -I gen/angle -I ../../third_party/iccjpeg -I ../../third_party/libpng -I ../../third_party/zlib -I ../../third_party/libxml/src/include -I ../../third_party/libxml/linux/include -I ../../third_party/libxslt -I ../../third_party/ots/include -I ../../third_party/qcms/src -I ../../third_party/snappy/src -I ../../third_party/snappy/linux -I ../../v8/include -I ../../third_party/mesa/src/include -I ../../third_party/protobuf/src -I gen/protoc_out -I ../../third_party/protobuf/src -I ../../build/linux/debian_wheezy_amd64-sysroot/usr/include/nss -I ../../build/linux/debian_wheezy_amd64-sysroot/usr/include/nspr -I ../../third_party/boringssl/src/include -I ../../third_party/libjpeg_turbo -D LIBXML_STATIC= -isysroot ../../build/linux/debian_wheezy_amd64-sysroot -internal-isystem ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6 -internal-isystem ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/x86_64-linux-gnu -internal-isystem ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/backward -internal-isystem ../../build/linux/debian_wheezy_amd64-sysroot/usr/local/include -internal-isystem /usr/local/google/home/kbr/src/chrome/src/third_party/llvm-build/Release+Asserts/bin/../lib/clang/3.9.0/include -internal-externc-isystem ../../build/linux/debian_wheezy_amd64-sysroot/usr/include/x86_64-linux-gnu -internal-externc-isystem ../../build/linux/debian_wheezy_amd64-sysroot/include -internal-externc-isystem ../../build/linux/debian_wheezy_amd64-sysroot/usr/include -O0 -Wall -Werror -Wextra -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-deprecated-register -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-shift-negative-value -Wno-undefined-var-template -Wheader-hygiene -Wstring-conversion -Wno-header-guard -Wno-undefined-bool-conversion -Wno-tautological-undefined-compare -std=gnu++11 -fdeprecated-macro -fdebug-compilation-dir /usr/local/google/home/kbr/src/chrome/src/out/Debug -fdebug-prefix-map=/usr/local/google/home/kbr/src/chrome/src=. -ferror-limit 19 -fmessage-length 0 -fvisibility hidden -fvisibility-inlines-hidden -pthread -stack-protector 1 -stack-protector-buffer-size 4 -fno-rtti -fno-threadsafe-statics -fobjc-runtime=gcc -fdiagnostics-show-option -fcolor-diagnostics -load ../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.so -add-plugin find-bad-constructs -plugin-arg-find-bad-constructs check-templates -plugin-arg-find-bad-constructs follow-macro-expansion -plugin-arg-find-bad-constructs check-implicit-copy-ctors -plugin-arg-find-bad-constructs check-ipc -load ../../third_party/llvm-build/Release+Asserts/lib/libBlinkGCPlugin.so -add-plugin blink-gc-plugin -o obj/third_party/WebKit/Source/modules/modules/EXTTextureFilterAnisotropic.o -x c++ ../../third_party/WebKit/Source/modules/webgl/EXTTextureFilterAnisotropic.cpp -split-dwarf-file obj/third_party/WebKit/Source/modules/modules/EXTTextureFilterAnisotropic.dwo
clang: error: unable to execute command: Segmentation fault (core dumped) clang: error: clang frontend command failed due to signal (use -v to see invocation) clang version 3.9.0 (trunk 270823) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/local/google/home/kbr/src/chrome/src/third_party/llvm-build/Release+Asserts/bin clang: 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: note: diagnostic msg:

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: clang: note: diagnostic msg: /tmp/EXTTextureFilterAnisotropic-c9e862.cpp clang: note: diagnostic msg: /tmp/EXTTextureFilterAnisotropic-c9e862.sh clang: note: diagnostic msg:

llvm / llvm-project

Crash while handling incomplete type of nested name specifier #28293

Extended Description