http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45941
--- Comment #1 from Matt Turner <mattst88 at gmail dot com> 2011-08-15 04:33:57 UTC --- Created attachment 25010 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25010 lto-streamer-in.i.bz2 Test case (preprocessed lto-streamer-in.c from gcc-4.5.3 sources). $ mips64el-unknown-linux-gnu-gcc -O2 -mabi=64 -c lto-streamer-in.i mips64el-unknown-linux-gnu-gcc: Internal error: Segmentation fault (program cc1) Please submit a full bug report. See <http://bugs.gentoo.org/> for instructions. Notes: - The segfault is reproducible with mips64el-unknown-linux-gnu-4.5.x (tested 4.5.2 and 4.5.3) - The segfault is not reproducible with 4.6.1. - The segfault only occurs with -O2 and -mabi=64. Other -O levels or -mabi=... flags do not trigger the crash, including '-O3 -mabi=64' - The segfault is not reproducible with [big endian] mips64-unknown-linux-gnu (tried 4.5.2, 4.5.3, and 4.6.1) Filed as Gentoo bug https://bugs.gentoo.org/show_bug.cgi?id=378375