re PR tree-optimization/63841 (Incorrect strlen optimization after complete unroll)

2014-11-13  Teresa Johnson  <tejohnson@google.com>

gcc:
	PR tree-optimization/63841
	* tree-ssa-strlen.c (strlen_optimize_stmt): Ignore clobbers.

2014-11-13  Teresa Johnson  <tejohnson@google.com>

gcc/testsuite:
	PR tree-optimization/63841
	* g++.dg/tree-ssa/pr63841.C: Remove prints, use abort.

From-SVN: r217537