2011-02-08 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47632
* tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
unused up_to_stmt parameter, return whether cfg-cleanup is
necessary, remove EH info properly.
(forward_propagate_into_gimple_cond): Adjust caller.
(forward_propagate_into_cond): Likewise.
(forward_propagate_comparison): Likewise.
(tree_ssa_forward_propagate_single_use_vars): Make
forward_propagate_comparison case similar to the two others.
* g++.dg/opt/pr47632.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169917 138bc75d-0d04-0410-961f-82ee72b054a4