[Bug debug/47283] [4.6 regression] ICE in refs_may_alias_p_1, at tree-ssa-alias.c

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47283

--- Comment #23 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-03 
16:06:38 UTC ---
Author: jakub
Date: Thu Mar  3 16:06:33 2011
New Revision: 170654

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170654
Log:
    PR debug/47283
    * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
    first operand is not is_gimple_mem_ref_addr, try to fold it.
    If the operand still isn't is_gimple_mem_ref_addr, clear
    MEM_EXPR on op0.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c