http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54944
Bug #: 54944
Summary: 400.perlbench fails with segmentation fault
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: ganesh.gopalasubraman...@amd.com
Perlbench fails with segmentation fault with latest trunk (r192528).
Commandline: gcc -o doop.o -O3 -DSPEC_CPU -DNDEBUG -DPERL_CORE
-funroll-all-loops -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX_X64 doop.c
doop.c: In function 'Perl_do_vop':
doop.c:1334:1: internal compiler error: Segmentation fault
}
^
0x8c175f crash_signal
../../source1/gcc/toplev.c:335
0x60feb8 TEST_BIT
../../source1/gcc/sbitmap.h:107
0x60feb8 duplicate_loop_to_header_edge(loop*, edge_def*, unsigned int,
simple_bitmap_def*, edge_def*, vec_t<edge_def*>**, int)
../../source1/gcc/cfgloopmanip.c:1184
0x7e1066 peel_loop_completely
../../source1/gcc/loop-unroll.c:486
0x7e1066 peel_loops_completely
../../source1/gcc/loop-unroll.c:250
0x7e1066 unroll_and_peel_loops(int)
../../source1/gcc/loop-unroll.c:160
0x7d6387 rtl_unroll_and_peel_loops
../../source1/gcc/loop-init.c:378
I am drilling down the svn revision.
