re PR c++/47482 ([C++0x] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr)

PR c++/47482
	* parser.c (cp_parser_enumerator_definition): Call
	fold_non_dependent_expr.

From-SVN: r170156

gcc/cp/ChangeLog

@@ -1,3 +1,9 @@
+2011-02-14  Jason Merrill  <jason@redhat.com>
+
+	PR c++/47482
+	* parser.c (cp_parser_enumerator_definition): Call
+	fold_non_dependent_expr.
+
 2011-02-09  Jason Merrill  <jason@redhat.com>
 
 	* decl.c (cp_make_fname_decl): Set DECL_THIS_STATIC at toplevel.

gcc/cp/parser.c

@@ -13763,6 +13763,10 @@ cp_parser_enumerator_definition (cp_parser* parser, tree type)
   if (check_for_bare_parameter_packs (value))
     value = error_mark_node;
 
+  /* integral_constant_value will pull out this expression, so make sure
+     it's folded as appropriate.  */
+  value = fold_non_dependent_expr (value);
+
   /* Create the enumerator.  */
   build_enumerator (identifier, value, type, loc);
 }

gcc/testsuite/ChangeLog

@@ -1,3 +1,7 @@
+2011-02-14  Jason Merrill  <jason@redhat.com>
+
+	* g++.dg/cpp0x/regress/enum1.C: New.
+
 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/include.adb: New test.

gcc/testsuite/g++.dg/cpp0x/regress/enum1.C

@@ -0,0 +1,8 @@
+// PR c++/47482
+// { dg-options -std=c++0x }
+
+template<class>
+struct K
+{
+  enum { A = sizeof"A", B = +A };
+};