[Bug tree-optimization/48134] [4.6/4.7 Regression] ICE: in refs_may_alias_p_1, at tree-ssa-alias.c:1085 with custom flags

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48134

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-15 
14:36:39 UTC ---
Created attachment 23664
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23664
gcc46-pr48134.patch

This fixes it, though perhaps as discussed earlier we want to fold everything
in expand_debug_expr except for memory addresses or something similar.

For 4.6 this is low priority, as with --enable-checking=release it will just
work, so doesn't need to be fixed before 4.6.0 release.