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[Bug tree-optimization/51984] ICE: SIGSEGV with -O2 -fgraphite-identity
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 25 Jan 2012 10:43:38 +0000
- Subject: [Bug tree-optimization/51984] ICE: SIGSEGV with -O2 -fgraphite-identity
- Auto-submitted: auto-generated
- References: <bug-51984-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51984
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-01-25
CC| |spop at gcc dot gnu.org
Component|middle-end |tree-optimization
Ever Confirmed|0 |1
Known to fail| |4.6.3, 4.7.0
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-25 10:43:38 UTC ---
Confirmed. Segfaults in cloog ...
#0 0x00007ffff7bd2397 in cloog_domain_stride () from /usr/lib64/libcloog.so.0
#1 0x00007ffff7bc541c in ?? () from /usr/lib64/libcloog.so.0
#2 0x00007ffff7bc5d37 in cloog_loop_generate () from /usr/lib64/libcloog.so.0
#3 0x00007ffff7bd62e0 in cloog_program_generate ()
from /usr/lib64/libcloog.so.0
#4 0x00000000012229b0 in scop_to_clast (scop=0x1bf18d0)
at /space/rguenther/src/svn/trunk/gcc/graphite-clast-to-gimple.c:1552
#5 0x0000000001222c1d in gloog (scop=0x1bf18d0, bb_pbb_mapping=0x1bf1ae0)
at /space/rguenther/src/svn/trunk/gcc/graphite-clast-to-gimple.c:1633
#6 0x000000000121e765 in graphite_transform_loops ()
at /space/rguenther/src/svn/trunk/gcc/graphite.c:274
maybe we feed it something invalid, but ...