Extended Description

While building chromium with clang r213025:

FAILED: /Volumes/data/b/build/goma/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/chrome/browser/sync_file_system/drive_backend_v1/browser.api_util.o.d -DV8_DEPRECATION_WARNINGS -DBLINK_SCALE_FILTERS_AT_RECORD_TIME -D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -DCHROMIUM_BUILD -DCR_CLANG_REVISION=213025 -DUSE_LIBJPEG_TURBO=1 -DENABLE_ONE_CLICK_SIGNIN -DENABLE_PRE_SYNC_BACKUP -DENABLE_REMOTING=1 -DENABLE_WEBRTC=1 -DENABLE_PEPPER_CDMS -DENABLE_CONFIGURATION_POLICY -DENABLE_NOTIFICATIONS -DENABLE_HIDPI=1 -DDISCARDABLE_MEMORY_ALWAYS_SUPPORTED_NATIVELY -DSYSTEM_NATIVELY_SIGNALS_MEMORY_PRESSURE -DDCHECK_ALWAYS_ON=1 -DENABLE_EGLIMAGE=1 -DENABLE_TASK_MANAGER=1 -DENABLE_EXTENSIONS=1 -DENABLE_PLUGIN_INSTALLATION=1 -DENABLE_PLUGINS=1 -DENABLE_SESSION_SERVICE=1 -DENABLE_THEMES=1 -DENABLE_AUTOFILL_DIALOG=1 -DENABLE_BACKGROUND=1 -DENABLE_GOOGLE_NOW=1 -DCLD_VERSION=2 -DCLD2_DATA_SOURCE=static -DCLD_DATA_FROM_STATIC -DENABLE_FULL_PRINTING=1 -DENABLE_PRINTING=1 -DENABLE_SPELLCHECK=1 -DENABLE_CAPTIVE_PORTAL_DETECTION=1 -DENABLE_APP_LIST=1 -DENABLE_SETTINGS_APP=1 -DENABLE_MANAGED_USERS=1 -DENABLE_SERVICE_DISCOVERY=1 -DENABLE_WIFI_BOOTSTRAPPING=1 -DNACL_WINDOWS=0 -DNACL_LINUX=0 -DNACL_OSX=1 -DNACL_ANDROID=0 -DNACL_TARGET_SUBARCH=32 -DNACL_TARGET_ARCH=x86 -DNACL_BUILD_SUBARCH=32 -DNACL_BUILD_ARCH=x86 -DFULL_SAFE_BROWSING -DMOJO_USE_SYSTEM_IMPL -DPROTOBUF_USE_DLLS -DGOOGLE_PROTOBUF_NO_RTTI -DGOOGLE_PROTOBUF_NO_STATIC_INITIALIZER -DAUTOFILL_ENABLE_SYNC -DPASSWORD_MANAGER_ENABLE_SYNC '-DPRECACHE_CONFIG_SETTINGS_URL="http://www.gstatic.com/chrome/wifiprefetch/precache_config"' '-DPRECACHE_MANIFEST_URL_PREFIX="http://www.gstatic.com/chrome/wifiprefetch/precache_manifest_"' -DNO_NSPR_10_SUPPORT -DNSPR_STATIC -DNSS_STATIC -DNSS_USE_STATIC_LIBS -DUSE_UTIL_DIRECTLY -DSK_ENABLE_INST_COUNT=0 -DSK_SUPPORT_GPU=1 '-DGR_GL_CUSTOM_SETUP_HEADER="GrGLConfig_chrome.h"' -DSK_ENABLE_LEGACY_API_ALIASING=1 -DSK_ATTR_DEPRECATED=SK_NOTHING_ARG1 -DGR_GL_IGNORE_ES3_MSAA=0 -DSK_WILL_NEVER_DRAW_PERSPECTIVE_TEXT -DSK_SUPPORT_LEGACY_PICTURE_CLONE -DSK_SUPPORT_LEGACY_GETDEVICE -DSK_IGNORE_ETC1_SUPPORT -DSK_IGNORE_GPU_DITHER -DSK_USE_POSIX_THREADS -DSK_DEFERRED_CANVAS_USES_FACTORIES=1 -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DU_STATIC_IMPLEMENTATION -DFEATURE_ENABLE_SSL -DFEATURE_ENABLE_VOICEMAIL -DEXPAT_RELATIVE_PATH -DGTEST_RELATIVE_PATH -DNO_MAIN_THREAD_WRAPPING -DNO_SOUND_SYSTEM -DOSX -DPOSIX -DLIBXML_STATIC -DXML_STATIC '-DI18N_ADDRESS_VALIDATION_DATA_URL="https://i18napis.appspot.com/ssl-aggregate-address/"' -DI18N_ADDRESSINPUT_USE_BASICTYPES_OVERRIDE=1 -DWEBRTC_CHROMIUM_BUILD -DWEBRTC_MAC -DWEBRTC_POSIX -DMESA_EGL_NO_X11_HEADERS -DHUNSPELL_STATIC -DHUNSPELL_CHROME_CLIENT -DUSE_HUNSPELL -DUSE_CUPS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -D_FORTIFY_SOURCE=2 -Igen -I../.. -Iobj/chrome/browser.gen -I../../skia/config -I../../third_party/khronos -I../../gpu -I../../third_party/WebKit/Source -Igen/protoc_out -I../../third_party/protobuf -I../../third_party/protobuf/src -I../../third_party/dom_distiller_js/package/proto_gen -Igen/chrome -Igen/components/strings -I../../third_party/WebKit -I../../third_party/nss/nspr/pr/include -I../../third_party/nss/nspr/lib/ds -I../../third_party/nss/nspr/lib/libc/include -I../../third_party/nss/nss/lib/base -I../../third_party/nss/nss/lib/certdb -I../../third_party/nss/nss/lib/certhigh -I../../third_party/nss/nss/lib/cryptohi -I../../third_party/nss/nss/lib/dev -I../../third_party/nss/nss/lib/freebl -I../../third_party/nss/nss/lib/freebl/ecl -I../../third_party/nss/nss/lib/nss -I../../third_party/nss/nss/lib/pk11wrap -I../../third_party/nss/nss/lib/pkcs7 -I../../third_party/nss/nss/lib/pki -I../../third_party/nss/nss/lib/smime -I../../third_party/nss/nss/lib/softoken -I../../third_party/nss/nss/lib/util -I../../third_party/skia/src/core -I../../third_party/skia/include/core -I../../third_party/skia/include/effects -I../../third_party/skia/include/pdf -I../../third_party/skia/include/gpu -I../../third_party/skia/include/lazy -I../../third_party/skia/include/pathops -I../../third_party/skia/include/pipe -I../../third_party/skia/include/ports -I../../third_party/skia/include/utils -I../../third_party/skia/include/utils/mac -I../../skia/ext -I../../third_party/cacheinvalidation/overrides -I../../third_party/cacheinvalidation/src -I../../third_party/cacheinvalidation/google/cacheinvalidation -I../../third_party/icu/source/i18n -I../../third_party/icu/source/common -I../../third_party/libjingle/overrides -I../../third_party/libjingle/source -I../../third_party/webrtc/overrides -I../../testing/gtest/include -I../../third_party -I../../third_party/webrtc -I../../third_party/libxml/mac/include -I../../third_party/libxml/src/include -I../../third_party/zlib -Igen/ui/resources -Igen/ui/strings -I../../third_party/re2 -I../../third_party/expat/files/lib -I../../third_party/leveldatabase/src/include -I../../third_party/leveldatabase/src -I../../third_party/leveldatabase -I../../third_party/libaddressinput/chromium/override -I../../third_party/libaddressinput/src/cpp/include -Igen/third_party/libaddressinput/ -I../../third_party/libyuv/include -I../../third_party/libyuv -I../../third_party/npapi -I../../third_party/npapi/bindings -Igen/ui/gl -I../../third_party/mesa/src/include -I../../v8/include -Igen/webkit -Igen/policy -I../../third_party/google_toolbox_for_mac -I../../third_party/google_toolbox_for_mac/src -I../../third_party/google_toolbox_for_mac/src/AppKit -I../../third_party/google_toolbox_for_mac/src/DebugUtils -I../../third_party/google_toolbox_for_mac/src/Foundation -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk -O3 -gdwarf-2 -fvisibility=hidden -Werror -Wnewline-eof -mmacosx-version-min=10.6 -arch i386 -Wall -Wendif-labels -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wheader-hygiene -Wno-c++11-narrowing -Wno-char-subscripts -Wno-unneeded-internal-declaration -Wno-covered-switch-default -Wstring-conversion -Wno-deprecated-register -Wno-selector-type-mismatch -Wexit-time-destructors -std=gnu++11 -fno-rtti -fno-exceptions -fvisibility-inlines-hidden -fno-threadsafe-statics -fno-slp-vectorize -Xclang -load -Xclang /Volumes/data/b/build/slave/mac_gpu/build/src/tools/clang/scripts/../../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.dylib -Xclang -add-plugin -Xclang find-bad-constructs -fcolor-diagnostics -fno-strict-aliasing -c ../../chrome/browser/sync_file_system/drive_backend_v1/api_util.cc -o obj/chrome/browser/sync_file_system/drive_backend_v1/browser.api_util.o
Assertion failed: (PhysReg != VirtRegMap::NO_PHYS_REG && "Instruction uses unmapped VirtReg"), function rewrite, file /Volumes/MacintoshHD2/src/chrome-git/src/third_party/llvm/lib/CodeGen/VirtRegMap.cpp, line 341.
0 clang 0x0000000102181798 llvm::sys::PrintStackTrace(__sFILE*) + 40
1 clang 0x0000000102181c84 abort + 612
2 libsystem_c.dylib 0x00007fff8ef8e90a _sigtramp + 26
3 clang 0x0000000101b05f67 llvm::LiveRegMatrix::checkRegUnitInterference(llvm::LiveInterval&, unsigned int) + 375
4 clang 0x0000000102181a36 abort + 22
5 clang 0x0000000102181a11 __assert_rtn + 81
6 clang 0x0000000101c43e37 llvm::initializeVirtRegRewriterPass(llvm::PassRegistry&) + 5687
7 clang 0x0000000101b41fdc llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 140
8 clang 0x00000001020a5e97 llvm::FPPassManager::runOnFunction(llvm::Function&) + 583
9 clang 0x00000001020a613b llvm::FPPassManager::runOnModule(llvm::Module&) + 43
10 clang 0x00000001020a6774 llvm::legacy::PassManagerImpl::run(llvm::Module&) + 1172
11 clang 0x00000001002344ce clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_ostream*) + 7406
12 clang 0x0000000100385fd5 clang::EmitObjAction::EmitObjAction(llvm::LLVMContext*) + 1557
13 clang 0x00000001000a42d4 clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) + 68
14 clang 0x000000010040f784 clang::ParseAST(clang::Sema&, bool, bool) + 468
15 clang 0x00000001000812c3 clang::FrontendAction::Execute() + 67
16 clang 0x000000010004fec3 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 931
17 clang 0x000000010000c32c clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 4236
18 clang 0x0000000100000fc0 cc1_main(char const**, char const**, char const*, void*) + 896
19 clang 0x000000010000738f main + 1215
20 clang 0x0000000100000c34 start + 52
Stack dump:
0. Program arguments: /Volumes/data/b/build/slave/mac_gpu/build/src/third_party/llvm-build/Release+Asserts/bin/clang -cc1 -triple i386-apple-macosx10.6.0 -emit-obj -disable-free -main-file-name api_util.cc -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -relaxed-aliasing -masm-verbose -target-cpu yonah -target-linker-version 236.4 -gdwarf-2 -dwarf-column-info -coverage-file /Volumes/data/b/build/slave/mac_gpu/build/src/out/Release/obj/chrome/browser/sync_file_system/drive_backend_v1/browser.api_util.o -resource-dir /Volumes/data/b/build/slave/mac_gpu/build/src/third_party/llvm-build/Release+Asserts/bin/../lib/clang/3.5.0 -dependency-file obj/chrome/browser/sync_file_system/drive_backend_v1/browser.api_util.o.d -MT obj/chrome/browser/sync_file_system/drive_backend_v1/browser.api_util.o -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk -D V8_DEPRECATION_WARNINGS -D BLINK_SCALE_FILTERS_AT_RECORD_TIME -D _ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -D CHROMIUM_BUILD -D CR_CLANG_REVISION=213025 -D USE_LIBJPEG_TURBO=1 -D ENABLE_ONE_CLICK_SIGNIN -D ENABLE_PRE_SYNC_BACKUP -D ENABLE_REMOTING=1 -D ENABLE_WEBRTC=1 -D ENABLE_PEPPER_CDMS -D ENABLE_CONFIGURATION_POLICY -D ENABLE_NOTIFICATIONS -D ENABLE_HIDPI=1 -D DISCARDABLE_MEMORY_ALWAYS_SUPPORTED_NATIVELY -D SYSTEM_NATIVELY_SIGNALS_MEMORY_PRESSURE -D DCHECK_ALWAYS_ON=1 -D ENABLE_EGLIMAGE=1 -D ENABLE_TASK_MANAGER=1 -D ENABLE_EXTENSIONS=1 -D ENABLE_PLUGIN_INSTALLATION=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_GOOGLE_NOW=1 -D CLD_VERSION=2 -D CLD2_DATA_SOURCE=static -D CLD_DATA_FROM_STATIC -D ENABLE_FULL_PRINTING=1 -D ENABLE_PRINTING=1 -D ENABLE_SPELLCHECK=1 -D ENABLE_CAPTIVE_PORTAL_DETECTION=1 -D ENABLE_APP_LIST=1 -D ENABLE_SETTINGS_APP=1 -D ENABLE_MANAGED_USERS=1 -D ENABLE_SERVICE_DISCOVERY=1 -D ENABLE_WIFI_BOOTSTRAPPING=1 -D NACL_WINDOWS=0 -D NACL_LINUX=0 -D NACL_OSX=1 -D NACL_ANDROID=0 -D NACL_TARGET_SUBARCH=32 -D NACL_TARGET_ARCH=x86 -D NACL_BUILD_SUBARCH=32 -D NACL_BUILD_ARCH=x86 -D FULL_SAFE_BROWSING -D MOJO_USE_SYSTEM_IMPL -D PROTOBUF_USE_DLLS -D GOOGLE_PROTOBUF_NO_RTTI -D GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER -D AUTOFILL_ENABLE_SYNC -D PASSWORD_MANAGER_ENABLE_SYNC -D PRECACHE_CONFIG_SETTINGS_URL="http://www.gstatic.com/chrome/wifiprefetch/precache_config" -D PRECACHE_MANIFEST_URL_PREFIX="http://www.gstatic.com/chrome/wifiprefetch/precache_manifest" -D NO_NSPR_10_SUPPORT -D NSPR_STATIC -D NSS_STATIC -D NSS_USE_STATIC_LIBS -D USE_UTIL_DIRECTLY -D SK_ENABLE_INST_COUNT=0 -D SK_SUPPORT_GPU=1 -D GR_GL_CUSTOM_SETUP_HEADER="GrGLConfig_chrome.h" -D SK_ENABLE_LEGACY_API_ALIASING=1 -D SK_ATTR_DEPRECATED=SK_NOTHING_ARG1 -D GR_GL_IGNORE_ES3_MSAA=0 -D SK_WILL_NEVER_DRAW_PERSPECTIVE_TEXT -D SK_SUPPORT_LEGACY_PICTURE_CLONE -D SK_SUPPORT_LEGACY_GETDEVICE -D SK_IGNORE_ETC1_SUPPORT -D SK_IGNORE_GPU_DITHER -D SK_USE_POSIX_THREADS -D SK_DEFERRED_CANVAS_USES_FACTORIES=1 -D U_USING_ICU_NAMESPACE=0 -D U_ENABLE_DYLOAD=0 -D U_STATIC_IMPLEMENTATION -D FEATURE_ENABLE_SSL -D FEATURE_ENABLE_VOICEMAIL -D EXPAT_RELATIVE_PATH -D GTEST_RELATIVE_PATH -D NO_MAIN_THREAD_WRAPPING -D NO_SOUND_SYSTEM -D OSX -D POSIX -D LIBXML_STATIC -D XML_STATIC -D I18N_ADDRESS_VALIDATION_DATA_URL="https://i18napis.appspot.com/ssl-aggregate-address/" -D I18N_ADDRESSINPUT_USE_BASICTYPES_OVERRIDE=1 -D WEBRTC_CHROMIUM_BUILD -D WEBRTC_MAC -D WEBRTC_POSIX -D MESA_EGL_NO_X11_HEADERS -D HUNSPELL_STATIC -D HUNSPELL_CHROME_CLIENT -D USE_HUNSPELL -D USE_CUPS -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D NDEBUG -D NVALGRIND -D DYNAMIC_ANNOTATIONS_ENABLED=0 -D _FORTIFY_SOURCE=2 -I gen -I ../.. -I obj/chrome/browser.gen -I ../../skia/config -I ../../third_party/khronos -I ../../gpu -I ../../third_party/WebKit/Source -I gen/protoc_out -I ../../third_party/protobuf -I ../../third_party/protobuf/src -I ../../third_party/dom_distiller_js/package/proto_gen -I gen/chrome -I gen/components/strings -I ../../third_party/WebKit -I ../../third_party/nss/nspr/pr/include -I ../../third_party/nss/nspr/lib/ds -I ../../third_party/nss/nspr/lib/libc/include -I ../../third_party/nss/nss/lib/base -I ../../third_party/nss/nss/lib/certdb -I ../../third_party/nss/nss/lib/certhigh -I ../../third_party/nss/nss/lib/cryptohi -I ../../third_party/nss/nss/lib/dev -I ../../third_party/nss/nss/lib/freebl -I ../../third_party/nss/nss/lib/freebl/ecl -I ../../third_party/nss/nss/lib/nss -I ../../third_party/nss/nss/lib/pk11wrap -I ../../third_party/nss/nss/lib/pkcs7 -I ../../third_party/nss/nss/lib/pki -I ../../third_party/nss/nss/lib/smime -I ../../third_party/nss/nss/lib/softoken -I ../../third_party/nss/nss/lib/util -I ../../third_party/skia/src/core -I ../../third_party/skia/include/core -I ../../third_party/skia/include/effects -I ../../third_party/skia/include/pdf -I ../../third_party/skia/include/gpu -I ../../third_party/skia/include/lazy -I ../../third_party/skia/include/pathops -I ../../third_party/skia/include/pipe -I ../../third_party/skia/include/ports -I ../../third_party/skia/include/utils -I ../../third_party/skia/include/utils/mac -I ../../skia/ext -I ../../third_party/cacheinvalidation/overrides -I ../../third_party/cacheinvalidation/src -I ../../third_party/cacheinvalidation/google/cacheinvalidation -I ../../third_party/icu/source/i18n -I ../../third_party/icu/source/common -I ../../third_party/libjingle/overrides -I ../../third_party/libjingle/source -I ../../third_party/webrtc/overrides -I ../../testing/gtest/include -I ../../third_party -I ../../third_party/webrtc -I ../../third_party/libxml/mac/include -I ../../third_party/libxml/src/include -I ../../third_party/zlib -I gen/ui/resources -I gen/ui/strings -I ../../third_party/re2 -I ../../third_party/expat/files/lib -I ../../third_party/leveldatabase/src/include -I ../../third_party/leveldatabase/src -I ../../third_party/leveldatabase -I ../../third_party/libaddressinput/chromium/override -I ../../third_party/libaddressinput/src/cpp/include -I gen/third_party/libaddressinput/ -I ../../third_party/libyuv/include -I ../../third_party/libyuv -I ../../third_party/npapi -I ../../third_party/npapi/bindings -I gen/ui/gl -I ../../third_party/mesa/src/include -I ../../v8/include -I gen/webkit -I gen/policy -I ../../third_party/google_toolbox_for_mac -I ../../third_party/google_toolbox_for_mac/src -I ../../third_party/google_toolbox_for_mac/src/AppKit -I ../../third_party/google_toolbox_for_mac/src/DebugUtils -I ../../third_party/google_toolbox_for_mac/src/Foundation -O3 -Werror -Wnewline-eof -Wall -Wendif-labels -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wheader-hygiene -Wno-c++11-narrowing -Wno-char-subscripts -Wno-unneeded-internal-declaration -Wno-covered-switch-default -Wstring-conversion -Wno-deprecated-register -Wno-selector-type-mismatch -Wexit-time-destructors -std=gnu++11 -fdeprecated-macro -fdebug-compilation-dir /Volumes/data/b/build/slave/mac_gpu/build/src/out/Release -ferror-limit 19 -fmessage-length 0 -fvisibility hidden -fvisibility-inlines-hidden -stack-protector 1 -mstackrealign -fblocks -fno-rtti -fno-threadsafe-statics -fobjc-runtime=macosx-fragile-10.6.0 -fobjc-subscripting-legacy-runtime -fencode-extended-block-signature -fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -load /Volumes/data/b/build/slave/mac_gpu/build/src/tools/clang/scripts/../../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.dylib -add-plugin find-bad-constructs -o obj/chrome/browser/sync_file_system/drive_backend_v1/browser.api_util.o -x c++ ../../chrome/browser/sync_file_system/drive_backend_v1/api_util.cc

1. parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module '../../chrome/browser/sync_file_system/drive_backend_v1/api_util.cc'.
4. Running pass 'Virtual Register Rewriter' on function '@_ZNK16sync_file_system13drive_backend12_GLOBAL__N_119TitleAndParentQueryclEPKN11google_apis13ResourceEntryE'
   clang: error: unable to execute command: Illegal instruction: 4
   clang: error: clang frontend command failed due to signal (use -v to see invocation)
   clang version 3.5.0 (trunk 213025)
   Target: i386-apple-darwin12.5.0
   Thread model: posix
   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:

I'll try to get a repro (the error is from a bot), but maybe the stack is useful already?