https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62113
Bug ID: 62113 Summary: [graphite] ICE using -floop-parallelize-all Product: gcc Version: 4.9.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: drfiemost at email dot it Created attachment 33304 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33304&action=edit Preprocessed source gcc -O2 -floop-parallelize-all -c rdft.i ends up eating all memory (8Gb) and then dies: gcc: internal compiler error: Killed (program cc1) Reproduced with both 4.8 and 4.9: Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-unknown-linux-gnu/4.8.4/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc-4.8-20140807/configure --prefix=/usr --enable-shared --disable-static --disable-dependency-tracking --enable-languages=c,c++ --disable-multilib --with-system-zlib --disable-bootstrap Thread model: posix gcc version 4.8.4 20140807 (prerelease) (GCC) Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-unknown-linux-gnu/4.9.1/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc-4.9.1/configure --prefix=/usr --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --enable-languages=c,c++ --disable-multilib --disable-bootstrap --with-system-zlib --disable-static --disable-dependency-tracking Thread model: posix gcc version 4.9.1 (GCC)