[llvm-bugs] [Bug 27919] New: Crash while handling incomplete type of nested name specifier

via llvm-bugs llvm-bugs at lists.llvm.org
Fri May 27 17:34:04 PDT 2016


https://llvm.org/bugs/show_bug.cgi?id=27919

            Bug ID: 27919
           Summary: Crash while handling incomplete type of nested name
                    specifier
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: kbr at google.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

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
-D__STDC_CONSTANT_MACROS -D__STDC_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<clang::CharSourceRange>, llvm::ArrayRef<clang::FixItHint>,
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<clang::QualType>&, 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<clang::DeclGroupRef>&) + 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:
0.    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 
1.    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: 

********************

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