re PR c++/24275 (Previously accepted code fails with 4.0.2)

	PR c++/24275
	* pt.c (instantiate_decl): Instantiate the initializer of
	a static data member in the namespace containing the class
	containing the static data member.
	PR c++/24275
	* g++.dg/template/static19.C: New test.

From-SVN: r105173

gcc/cp/pt.c

@@ -11558,12 +11558,15 @@ instantiate_decl (tree d, int defer_ok,
 	  && !DECL_INITIAL (d) 
 	  && DECL_INITIAL (code_pattern))
 	{
+	  tree ns = decl_namespace_context (d);
+	  push_nested_namespace (ns);
 	  push_nested_class (DECL_CONTEXT (d));
 	  DECL_INITIAL (d)
 	    = tsubst_expr (DECL_INITIAL (code_pattern), 
 			   args,
 			   tf_error | tf_warning, NULL_TREE);
 	  pop_nested_class ();
+	  pop_nested_namespace (ns);
 	}
 
       /* We restore the source position here because it's used by

gcc/testsuite/g++.dg/template/static19.C

+// PR c++/24275
+
+template <bool val>  struct bool_var {
+  static const bool value = val;
+};
+namespace is_inc_ {
+  struct any {
+    template <class T> any(T const&);
+  };
+  int operator++(any const&);
+  template <class T>   struct impl {
+    static T &x;
+    static const bool value = sizeof(++x) == 1;
+  };
+}
+template<typename T> struct is_incr : bool_var< is_inc_::impl<T>::value> {};
+struct not_incr{};
+typedef int sa1[ is_incr<not_incr>::value ? -1 : 1];