re PR c++/50258 ([C++0x] -std=gnu++0x should allow in-class initialization of…

re PR c++/50258 ([C++0x] -std=gnu++0x should allow in-class initialization of static const floating types without constexpr)

/cp
2011-09-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50258
	* decl.c (check_static_variable_definition): Allow in-class
	initialization of static data member of non-integral type in
	permissive mode.

/testsuite
2011-09-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50258
	* g++.dg/cpp0x/constexpr-static8.C: New.

From-SVN: r179121

gcc/cp/ChangeLog

+2011-09-23  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/50258
+	* decl.c (check_static_variable_definition): Allow in-class
+	initialization of static data member of non-integral type in
+	permissive mode.
+
 2011-09-22  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/50491

gcc/cp/decl.c

@@ -7716,8 +7716,9 @@ check_static_variable_definition (tree decl, tree type)
   else if (cxx_dialect >= cxx0x && !INTEGRAL_OR_ENUMERATION_TYPE_P (type))
     {
       if (literal_type_p (type))
-	error ("%<constexpr%> needed for in-class initialization of static "
-	       "data member %q#D of non-integral type", decl);
+	permerror (input_location,
+		   "%<constexpr%> needed for in-class initialization of "
+		   "static data member %q#D of non-integral type", decl);
       else
 	error ("in-class initialization of static data member %q#D of "
 	       "non-literal type", decl);

gcc/testsuite/ChangeLog

+2011-09-23  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/50258
+	* g++.dg/cpp0x/constexpr-static8.C: New.
+
 2011-09-23  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.target/i386/avxfp-1.c: New test.

gcc/testsuite/g++.dg/cpp0x/constexpr-static8.C

+// PR c++/50258
+// { dg-options "-std=c++0x -fpermissive" }
+
+struct Foo {
+  static const double d = 3.14; // { dg-warning "constexpr" }
+};
+const double Foo::d;            // { dg-warning "constexpr" }