https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63778
Bug ID: 63778
Summary: Segfault with r217178 building 416.gamess from cpu2006
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: pthaugen at gcc dot gnu.org
CC: bergner at gcc dot gnu.org, dje.gcc at gmail dot com,
rguenth at gcc dot gnu.org
Host: powerpc64-unknown-linux-gnu
Target: powerpc64-unknown-linux-gnu
Build: powerpc64-unknown-linux-gnu
Created attachment 33920
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33920&action=edit
reduced testcase
Following segfault started with r217178.
> gfortran -c -O3 -ffast-math zheev.f
...
f951: internal compiler error: Segmentation fault
0x107ac467 crash_signal
/home/pthaugen/src/gcc/trunk/gcc/gcc/toplev.c:358
0x1050ec44 gimple_code
/home/pthaugen/src/gcc/trunk/gcc/gcc/gimple.h:1412
0x1050ec44 is_gimple_assign
/home/pthaugen/src/gcc/trunk/gcc/gcc/gimple.h:2124
0x1050ec44 gimple_simplify
/home/pthaugen/work/build/gcc/trunk/gcc/gimple-match.c:493
0x1050e587 gimple_resimplify1
/home/pthaugen/src/gcc/trunk/gcc/gcc/gimple-match-head.c:125
0x10507cbb fold_stmt_1
/home/pthaugen/src/gcc/trunk/gcc/gcc/gimple-fold.c:3074
...
