------- 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