2014-06-24 Chung-Lin Tang <cltang@codesourcery.com>

2014-06-24  Chung-Lin Tang  <cltang@codesourcery.com>

	PR tree-optimization/61554
	* tree-ssa-propagate.c: Include "bitmap.h".
	(substitute_and_fold_dom_walker): Add 'bitmap need_eh_cleanup' member,
	properly update constructor/destructor.
	(substitute_and_fold_dom_walker::before_dom_children):
	Remove call to gimple_purge_dead_eh_edges, add bb->index to
	need_eh_cleaup instead.
	(substitute_and_fold): Call gimple_purge_all_dead_eh_edges on
	need_eh_cleanup.

testsuite/
2014-06-24  Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR tree-optimization/61554
	* g++.dg/torture/pr61554.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211928 138bc75d-0d04-0410-961f-82ee72b054a4