[Bug middle-end/45838] [4.6 Regression] FAIL: libgomp.c/pr34513.c execution test

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45838

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-11-17 
11:15:59 UTC ---
Author: jakub
Date: Wed Nov 17 11:15:55 2010
New Revision: 166863

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166863
Log:
    PR middle-end/45838
    * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
    call_may_clobber_ref_p_1): Return true for __sync_* and some
    OpenMP builtins that act as threading barriers.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-alias.c