re PR c++/66243 (enum class value is allowed to be initialized by value from other enum class)

	cp/
	PR c++/66243
	* decl.c (build_enumerator): Don't silently convert scoped enums.

	testsuite/
	PR c++/66243
	* g++.dg/cpp0x/pr66243.C: New.

From-SVN: r223636

gcc/cp/ChangeLog

-2015-05-22  Jan Hubicka  <hubicka@ucw.cz>
+2015-05-24  Nathan Sidwell  <nathan@acm.org>
+
+	PR c++/66243
+	* decl.c (build_enumerator): Don't silently convert scoped enums.
+
+2015-05-24  Jan Hubicka  <hubicka@ucw.cz>
 
 	PR lto/66180
 	* mangle.c (mangle_decl): Mangle anonymous namespace types as

gcc/cp/decl.c

@@ -13097,7 +13097,8 @@ build_enumerator (tree name, tree value, tree enumtype, tree attributes,
 	      if (tmp_value)
 		value = tmp_value;
 	    }
-	  else if (! INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (value)))
+	  else if (! INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P
+		   (TREE_TYPE (value)))
 	    value = perform_implicit_conversion_flags
 	      (ENUM_UNDERLYING_TYPE (enumtype), value, tf_warning_or_error,
 	       LOOKUP_IMPLICIT | LOOKUP_NO_NARROWING);

gcc/testsuite/ChangeLog

-2015-05-22  Jan Hubicka  <hubicka@ucw.cz>
+2015-05-23  Nathan Sidwell  <nathan@acm.org>
+
+	PR c++/66243
+	* g++.dg/cpp0x/pr66243.C: New.
+
+2015-05-24  Jan Hubicka  <hubicka@ucw.cz>
 
 	PR lto/66180
 	* g++.dg/lto/pr66180_0.C: New testcase.

gcc/testsuite/g++.dg/cpp0x/pr66243.C

+// { dg-do compile { target c++11 } }
+
+enum class A
+{
+  X
+};
+
+enum class B
+{
+  X = A::X // { dg-error "could not convert" }
+};
+