tree-sra.c (some_callers_have_mismatched_arguments_p): Allow thunk callers.

	* tree-sra.c (some_callers_have_mismatched_arguments_p): Allow thunk
	callers.

From-SVN: r219835

gcc/ChangeLog

 2015-01-19  Ilya Enkovich  <ilya.enkovich@intel.com>
 
+	* tree-sra.c (some_callers_have_mismatched_arguments_p): Allow thunk
+	callers.
+
+2015-01-19  Ilya Enkovich  <ilya.enkovich@intel.com>
+
 	* ipa-chkp.c (chkp_produce_thunks): Add early param
 	to split thunks production into two passes.  Keep
 	'always_inline' function bodies after the first pass.

gcc/tree-sra.c

@@ -4884,7 +4884,7 @@ some_callers_have_mismatched_arguments_p (struct cgraph_node *node,
 {
   struct cgraph_edge *cs;
   for (cs = node->callers; cs; cs = cs->next_caller)
-    if (!callsite_arguments_match_p (cs->call_stmt))
+    if (!cs->call_stmt || !callsite_arguments_match_p (cs->call_stmt))
       return true;
 
   return false;