[tail-merge] Fix side-effect test in stmt_local_def

2018-06-21  Tom de Vries  <tdevries@suse.de>

	PR tree-optimization/85859
	* tree-ssa-tail-merge.c (stmt_local_def): Copy gimple_is_call
	test with comment from bb_no_side_effects_p.

	* gcc.dg/pr85859.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@261844 138bc75d-0d04-0410-961f-82ee72b054a4
4 files changed