[Bug tree-optimization/36066] ICE with -O1 -finline-small-functions -ftree-vrp -funsafe-loop-optimizations
rguenth at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Sun Apr 27 21:11:00 GMT 2008
------- Comment #2 from rguenth at gcc dot gnu dot org 2008-04-27 21:11 -------
Confirmed.
Program received signal SIGSEGV, Segmentation fault.
0x0829ba29 in operand_equal_p (arg0=0xb7b248f0, arg1=0xb7c6fd68, flags=0)
at /home/richard/src/trunk/gcc/fold-const.c:3037
3037 if (TYPE_UNSIGNED (TREE_TYPE (arg0)) != TYPE_UNSIGNED (TREE_TYPE
(arg1)))
(gdb) print arg0->common.type
$2 = (tree) 0x0
#0 0x0829ba29 in operand_equal_p (arg0=0xb7b248f0, arg1=0xb7c6fd68, flags=0)
at /home/richard/src/trunk/gcc/fold-const.c:3037
#1 0x08623ccf in simplify_replace_tree (expr=0xb7b248f0, old=0xb7c6fd68,
new_tree=0xb7c4ec64)
at /home/richard/src/trunk/gcc/tree-ssa-loop-niter.c:1347
#2 0x08623e50 in simplify_replace_tree (expr=0xb7774318, old=0xb7c6fd68,
new_tree=0xb7c4ec64)
at /home/richard/src/trunk/gcc/tree-ssa-loop-niter.c:1358
#3 0x0862ba0e in substitute_in_loop_info (loop=0xb78bb898, name=0xb7c6fd68,
val=0xb7c4ec64) at /home/richard/src/trunk/gcc/tree-ssa-loop-niter.c:3070
#4 0x084abab2 in replace_uses_by (name=0xb7c6fd68, val=0xb7c4ec64)
at /home/richard/src/trunk/gcc/tree-cfg.c:1273
#5 0x084ad00a in tree_merge_blocks (a=0xb7b3d30c, b=0xb7b3d744)
at /home/richard/src/trunk/gcc/tree-cfg.c:1337
#6 0x0819f781 in merge_blocks (a=0xb7b3d30c, b=0xb7b3d744)
at /home/richard/src/trunk/gcc/cfghooks.c:660
#7 0x084cfbbe in cleanup_tree_cfg_bb (bb=0xb7b3d30c)
at /home/richard/src/trunk/gcc/tree-cfgcleanup.c:568
#8 0x084cfc76 in cleanup_tree_cfg_1 ()
at /home/richard/src/trunk/gcc/tree-cfgcleanup.c:601
#9 0x084cfdf8 in cleanup_tree_cfg_noloop ()
at /home/richard/src/trunk/gcc/tree-cfgcleanup.c:657
#10 0x084cff49 in cleanup_tree_cfg ()
#11 0x0870f68f in execute_vrp () at /home/richard/src/trunk/gcc/tree-vrp.c:6758
#12 0x083ec77e in execute_one_pass (pass=0x8c6b538)
at /home/richard/src/trunk/gcc/passes.c:1133
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot
|dot org |org
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2008-04-27 21:11:09
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36066
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