tree-chkp.c (chkp_build_returned_bound): Don't predict return bounds for strchr calls.

	* tree-chkp.c (chkp_build_returned_bound): Don't predict
	return bounds for strchr calls.

From-SVN: r218479

gcc/ChangeLog

 2014-12-08  Ilya Enkovich  <ilya.enkovich@intel.com>
 
+	* tree-chkp.c (chkp_build_returned_bound): Don't predict
+	return bounds for strchr calls.
+
+2014-12-08  Ilya Enkovich  <ilya.enkovich@intel.com>
+
 	* tree-chkp.c (chkp_call_returns_bounds_p): New.
 	(chkp_build_returned_bound): Use zero bounds as
 	returned by calls not returning bounds.

gcc/tree-chkp.c

@@ -2165,8 +2165,7 @@ chkp_build_returned_bound (gcall *call)
     }
   /* Do not use retbnd when returned bounds are equal to some
      of passed bounds.  */
-  else if ((gimple_call_return_flags (call) & ERF_RETURNS_ARG)
-	   || gimple_call_builtin_p (call, BUILT_IN_STRCHR))
+  else if (gimple_call_return_flags (call) & ERF_RETURNS_ARG)
     {
       gimple_stmt_iterator iter = gsi_for_stmt (call);
       unsigned int retarg = 0, argno;