http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54982
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic Status|UNCONFIRMED |WAITING Last reconfirmed| |2012-12-09 Summary|Uninitialised variable |false unitialized warning |store_flag in |about store_flag in |tree-ssa-loop-im.c |tree-ssa-loop-im.c Ever Confirmed|0 |1 Severity|trivial |normal --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-12-09 02:31:26 UTC --- How did you configure GCC? What version of GCC are you using to start wtih? All sets/uses of store_flag are predicated by multi_threaded_model_p so the warning is false.