[Bug lto/80069] New: LTO: ICE at graphite-sese-to-poly.c:1176

["manuel.lauss at googlemail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80069

            Bug ID: 80069
           Summary: LTO: ICE at graphite-sese-to-poly.c:1176
           Product: gcc
           Version: 6.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: manuel.lauss at googlemail dot com
  Target Milestone: ---

Hitting this ICE when building ffmpeg.git with LTO and Graphite options
enabled:

src/libavcodec/nellymoser.c: In function 'ff_nelly_get_sample_bits':
src/libavcodec/nellymoser.c:116:6: internal compiler error: in
outer_projection_mupa, at graphite-sese-to-poly.c:1176
 void ff_nelly_get_sample_bits(const float *buf, int *bits)
      ^
Please submit a full bug report,
with preprocessed source if appropriate.


gcc-6.3.1 as of today, CFLAGS used are:
-O3 -march=haswell -mtune=haswell -fexpensive-optimizations -flto=9
-fno-fat-lto-objects -fgraphite-identity -floop-interchange -floop-strip-mine
-floop-block -funroll-loops -pipe


ffmpeg is configured this way:
configure --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64
---enable-shared --cc=x86_64-pc-linux-gnu-gcc --cxx=x86_64-pc-linux-gnu-g++
--ar=x86_64-pc-linux-gnu-ar --optflags='-O3 -march=haswell -mtune=haswell
-fexpensive-optimiza
tions -flto=9 -fno-fat-lto-objects -fgraphite-identity -floop-interchange
-floop-strip-mine -floop-block -funroll-loops -pipe' --disable-static
--enable-avfilter
 --enable-avresample --disable-stripping --enable-nonfree --enable-version3
--disable-indev=alsa --disable-indev=oss --disable-indev=jack
--disable-outdev=alsa --disable-outdev=oss
 --enable-version3 --enable-version3 --enable-bzlib --disable-runtime-cpudetect
--disable-debug --disable-gcrypt --enable-gnutls --enable-gmp --enable-gpl
--enable-hardcoded-tables
 --enable-iconv --enable-lzma --enable-network --enable-openssl
--enable-postproc --disable-libsmbclient --enable-ffplay --enable-sdl2
--enable-vaapi --enable-vdpau --enable-xlib -
-enable-libxcb --enable-libxcb-shm --enable-libxcb-xfixes --enable-zlib
--disable-libcdio --disable-libiec61883 --disable-libdc1394 --disable-libcaca
--enable-openal --enable-openg
l --enable-libv4l2 --enable-libpulse --enable-libopencore-amrwb
--enable-libopencore-amrnb --disable-libfdk-aac --enable-libopenjpeg
--enable-libbluray --disable-libcelt --disable-
libgme --enable-libgsm --disable-mmal --disable-libmodplug --enable-libopus
--disable-libilbc --disable-librtmp --disable-libssh --enable-libschroedinger
--enable-libspeex --enable
-libvorbis --enable-libvpx --disable-libzvbi --disable-libbs2b
--disable-chromaprint --disable-libflite --enable-frei0r --disable-libfribidi
--enable-fontconfig --disable-ladspa --
disable-libass --enable-libfreetype --disable-librubberband --disable-netcdf
--disable-libzmq --disable-libzimg --disable-libsoxr --enable-pthreads
--enable-libvo-amrwbenc --enable
-libmp3lame --disable-libkvazaar --disable-nvenc --disable-libopenh264
--disable-libsnappy --enable-libtheora --disable-libtwolame --enable-libwavpack
--enable-libwebp --enable-lib
x264 --enable-libx265 --disable-libxvid --disable-amd3dnow
--disable-amd3dnowext --disable-fma4 --disable-xop --enable-pic --cpu=haswell
--enable-lto --disable-doc --disable-htmlpa
ges

Thanks!