http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #6 from Jeffrey A. Law <law at gcc dot gnu.org> 2011-06-23 20:26:10 UTC --- Author: law Date: Thu Jun 23 20:26:07 2011 New Revision: 175351 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175351 Log: PR middle-end/49465 * tree-ssa-threadupate.c (fix_duplicate_block_edges): Fix condition to detect threading through joiner block. If there was already an edge to the new target, then do not change the PHI nodes. *************** fix_duplicate_block_edges (struct redire Modified: trunk/gcc/ChangeLog trunk/gcc/tree-ssa-threadupdate.c