re PR c/61162 (possibly bad error location with -Wc++-compat)

	PR c/61162
	* c-typeck.c (convert_for_assignment): Pass location to
	WARN_FOR_ASSIGNMENT instead of input_location.

	* gcc.dg/pr61162.c: New test.

From-SVN: r210393

gcc/c/ChangeLog

+2014-05-13  Marek Polacek  <polacek@redhat.com>
+
+	PR c/61162
+	* c-typeck.c (convert_for_assignment): Pass location to
+	WARN_FOR_ASSIGNMENT instead of input_location.
+
 2014-05-10  Marek Polacek  <polacek@redhat.com>
 
 	* c-parser.c (c_parser_declaration_or_fndef): Pass init_loc to

gcc/c/c-typeck.c

@@ -5754,7 +5754,7 @@ convert_for_assignment (location_t location, location_t expr_loc, tree type,
 	  && TREE_CODE (type) == ENUMERAL_TYPE
 	  && TYPE_MAIN_VARIANT (checktype) != TYPE_MAIN_VARIANT (type))
 	{
-	  WARN_FOR_ASSIGNMENT (input_location, OPT_Wc___compat,
+	  WARN_FOR_ASSIGNMENT (location, OPT_Wc___compat,
 			       G_("enum conversion when passing argument "
 				  "%d of %qE is invalid in C++"),
 			       G_("enum conversion in assignment is "

gcc/testsuite/ChangeLog

 2014-05-13  Marek Polacek  <polacek@redhat.com>
 
+	PR c/61162
+	* gcc.dg/pr61162.c: New test.
+
+2014-05-13  Marek Polacek  <polacek@redhat.com>
+
 	* c-c++-common/pr50459.c: Move cdtor tests to a separate testcase.
 	* c-c++-common/pr50459-2.c: New test.
 

gcc/testsuite/gcc.dg/pr61162.c

+/* PR c/61162 */
+/* { dg-do compile } */
+/* { dg-options "-Wc++-compat" } */
+
+enum e { A };
+enum e
+fn1 (void)
+{
+  enum e e, q = 0; /* { dg-warning "17:enum conversion in initialization is invalid" } */
+  e = 0; /* { dg-warning "5:enum conversion in assignment is invalid" } */
+  1; return 0; /* { dg-warning "6:enum conversion in return is invalid" } */
+}