re PR c++/92365 (ice unexpected expression ‘int16_t()’ of kind cast_expr)

PR c++/92365

2019-11-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/92365
        * name-lookup.c (check_local_shadow): Use can_convert_arg
        instead of can_convert.

testsuite:
2019-11-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/92365
        * g++.dg/pr92365.C: New test.

From-SVN: r278639

gcc/cp/ChangeLog

+2019-11-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	PR c++/92365
+	* name-lookup.c (check_local_shadow): Use can_convert_arg
+	instead of can_convert.
+
 2019-11-22  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/88337 - P1327R1: Allow polymorphic typeid in constexpr.

gcc/cp/name-lookup.c

@@ -2769,8 +2769,8 @@ check_local_shadow (tree decl)
 		      (now) doing the shadow checking too
 		      early.  */
 		   && !type_uses_auto (TREE_TYPE (decl))
-		   && can_convert (TREE_TYPE (old), TREE_TYPE (decl),
-				   tf_none)))
+		   && can_convert_arg (TREE_TYPE (old), TREE_TYPE (decl),
+				       decl, LOOKUP_IMPLICIT, tf_none)))
 	warning_code = OPT_Wshadow_compatible_local;
       else
 	warning_code = OPT_Wshadow_local;

gcc/testsuite/ChangeLog

+2019-11-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	PR c++/92365
+	* g++.dg/pr92365.C: New test.
+
 2019-11-22  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/88337 - P1327R1: Allow polymorphic typeid in constexpr.

gcc/testsuite/g++.dg/pr92365.C

+/* PR c++/92365  */
+/* { dg-options "-std=c++98 -Wshadow=compatible-local" } */
+
+class a {
+public:
+  a(char *);
+};
+void b() {
+  a c(0);
+  if (0)
+    int c;
+}