http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51466
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #26021|0 |1 is obsolete| | --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-08 15:32:20 UTC --- Created attachment 26024 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26024 gcc47-pr51466.patch Another alternative. Note that apparently gimple_rhs_has_side_effects has been removed in the mean time, still having TREE_SIDE_EFFECTS consistent doesn't hurt.