re PR c++/51242 ([C++11] Unable to use strongly typed enums as bit fields)

/cp
2013-02-15  Jonathan Wakely  <jwakely.gcc@gmail.com>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51242
	* decl2.c (grokbitfield): Allow scoped enumeration types.

/testsuite
2013-02-15  Jonathan Wakely  <jwakely.gcc@gmail.com>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51242
	* g++.dg/cpp0x/enum23.C: New.


Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r196100

gcc/cp/ChangeLog

+2013-02-15  Jonathan Wakely  <jwakely.gcc@gmail.com>
+	    Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/51242
+	* decl2.c (grokbitfield): Allow scoped enumeration types.
+
 2013-02-15  Jason Merrill  <jason@redhat.com>
 
 	PR c++/54276

gcc/cp/decl2.c

@@ -1028,7 +1028,7 @@ grokbitfield (const cp_declarator *declarator,
   if (TREE_CODE (value) == VOID_TYPE)
     return void_type_node;
 
-  if (!INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P (TREE_TYPE (value))
+  if (!INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (value))
       && (POINTER_TYPE_P (value)
           || !dependent_type_p (TREE_TYPE (value))))
     {

gcc/testsuite/ChangeLog

+2013-02-15  Jonathan Wakely  <jwakely.gcc@gmail.com>
+	    Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/51242
+	* g++.dg/cpp0x/enum23.C: New.
+
 2013-02-15  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	PR target/54685

gcc/testsuite/g++.dg/cpp0x/enum23.C

+// PR c++/51242
+// { dg-do compile { target c++11 } }
+
+enum class MyEnum { A = 1 };
+
+struct MyClass
+{
+  MyEnum Field1 : 3; // { dg-bogus "warning: 'MyClass::Field1' is too small" "" { xfail *-*-* } }
+};