[C++ Patch] PR 50258

[Paolo Carlini]

Hi,

so this is what I'm finishing testing on x86_64-linux. Ok?

Thanks,
Paolo.

////////////////////////

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

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


Index: testsuite/g++.dg/cpp0x/constexpr-static8.C
===================================================================
--- testsuite/g++.dg/cpp0x/constexpr-static8.C  (revision 0)
+++ testsuite/g++.dg/cpp0x/constexpr-static8.C  (revision 0)
@@ -0,0 +1,7 @@
+// 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" }
Index: cp/decl.c
===================================================================
--- cp/decl.c   (revision 179116)
+++ cp/decl.c   (working copy)
@@ -7716,8 +7716,9 @@ check_static_variable_definition (tree decl, tree
   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);