[Bug c++/66498] New: internal compiler error when compiling chrome and webkit

[wong.terry at yandex dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66498

            Bug ID: 66498
           Summary: internal compiler error when compiling chrome and
                    webkit
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: wong.terry at yandex dot com
  Target Milestone: ---

I am find and error with gcc 5.1 from gentoo when building chrome and
libreoffice.

The compiler is 
gcc version 5.1.0 (Gentoo 5.1.0 p1.1, pie-0.6.3) with mpfr-3.1.2_p10 and
dev-libs/isl-0.14


The offence is:
FAILED: x86_64-pc-linux-gnu-g++ -MMD -MF
obj/third_party/WebKit/Source/platform/audio/blink_platform.DynamicsCompressorKernel.o.d
-DV8_DEPRECATION_WARNINGS -D_FILE_OFFSET_BITS=64 -DDISABLE_NACL
-DCHROMIUM_BUILD -DTOOLKIT_VIEWS=1 -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_PRE_SYNC_BACKUP -DENABLE_REMOTING=1
-DENABLE_WEBRTC=1 -DENABLE_MEDIA_ROUTER=1 -DUSE_PROPRIETARY_CODECS
-DENABLE_PEPPER_CDMS -DENABLE_CONFIGURATION_POLICY -DENABLE_NOTIFICATIONS
-DUSE_UDEV -DDONT_EMBED_BUILD_METADATA -DENABLE_TASK_MANAGER=1
-DENABLE_EXTENSIONS=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 -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 -DSAFE_BROWSING_SERVICE
-DBLINK_PLATFORM_IMPLEMENTATION=1 -DINSIDE_BLINK
-DENABLE_LAYOUT_UNIT_IN_INLINE_BOXES=0
-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1 -DENABLE_INPUT_MULTIPLE_FIELDS_UI=1
-DENABLE_WEB_AUDIO=1 -DWTF_USE_WEBAUDIO_FFMPEG=1
-DWTF_USE_DEFAULT_RENDER_THEME=1 -DSK_SUPPORT_GPU=1
-DSK_LEGACY_DRAWPICTURECALLBACK -DSK_SUPPORT_LEGACY_OPTIONLESS_GET_PIXELS
-DSK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS -DU_USING_ICU_NAMESPACE=0
-DU_ENABLE_DYLOAD=0 -DU_STATIC_IMPLEMENTATION -DENABLE_WEBP
-DUSE_SYSTEM_LIBJPEG -D__STDC_CONSTANT_MACROS -DUSE_LIBPCI=1 -DUSE_GLIB=1
-DUSE_NSS_CERTS=1 -D__STDC_FORMAT_MACROS -DNDEBUG -DNVALGRIND
-DDYNAMIC_ANNOTATIONS_ENABLED=0 -D_FORTIFY_SOURCE=2
-Igen/shim_headers/harfbuzz-ng/target -Igen/shim_headers/libpng/target
-Igen/shim_headers/libevent/target -Igen/shim_headers/zlib/target -Igen
-I../../third_party/angle/include -Igen/blink -I../../third_party/ffmpeg
-I../../third_party/WebKit/Source -I../.. -I../../skia/config
-I../../third_party/khronos -I../../gpu -I../../third_party/WebKit
-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../../skia/ext
-I../../third_party/icu/source/i18n -I../../third_party/icu/source/common
-I../../third_party/ots/include -I../../third_party/qcms/src -I../../v8/include
-I../../third_party/iccjpeg -Igen/ffmpeg
-I../../third_party/ffmpeg/chromium/config/Chrome/linux/x64
-I../../third_party/ffmpeg -fstack-protector --param=ssp-buffer-size=4 
-pthread -fno-strict-aliasing -Wall -Wno-unused-parameter
-Wno-missing-field-initializers -fvisibility=hidden -pipe -fPIC
-Wno-unused-local-typedefs -I/usr/include/libpng16 -I/usr/include/harfbuzz
-I/usr/include/freetype2 -m64 -march=x86-64 -O2 -fno-ident -fdata-sections
-ffunction-sections -funwind-tables -O2 -pipe -fno-exceptions -fno-rtti
-fno-threadsafe-statics -fvisibility-inlines-hidden -Wsign-compare
-Wno-c++0x-compat -std=gnu++11 -Wno-narrowing -Wno-literal-suffix  -c
../../third_party/WebKit/Source/platform/audio/DynamicsCompressorKernel.cpp -o
obj/third_party/WebKit/Source/platform/audio/blink_platform.DynamicsCompressorKernel.o
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined
<built-in>: note: this is the location of the previous definition
../../third_party/WebKit/Source/platform/audio/DynamicsCompressorKernel.cpp: In
member function ‘void blink::DynamicsCompressorKernel::process(const float**,
float**, unsigned int, unsigned int, float, float, float, float, float, float,
float, float, float, float, float, float)’:
../../third_party/WebKit/Source/platform/audio/DynamicsCompressorKernel.cpp:202:6:
internal compiler error: Floating point exception
 void DynamicsCompressorKernel::process(const float* sourceChannels[],