[C++ testcase] PR 53763

[Paolo Carlini]

Hi,

I'm adding the testcase and closing the PR as fixed for 4.8.0.
Thanks,
Paolo.

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

2012-10-09  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/53763
        * g++.dg/cpp0x/decltype43.C: New.

Index: g++.dg/cpp0x/decltype43.C
===================================================================
--- g++.dg/cpp0x/decltype43.C   (revision 0)
+++ g++.dg/cpp0x/decltype43.C   (working copy)
@@ -0,0 +1,27 @@
+// PR c++/53763
+// { dg-do compile { target c++11 } }
+
+template<typename TYPE>
+struct A
+{
+  static int a(TYPE value)
+  {
+    return value;
+  }
+};
+
+template<typename... ARGS>
+struct B
+{
+  static int b(ARGS...)
+  {
+    return 0;
+  }
+};
+
+int main()
+{
+  int x = B<decltype(A<int>::a(1))>::b(A<int>::a(1));
+  int y = B<decltype(A     ::a(2))>::b(A<int>::a(2)); // { dg-error "template 
argument" }
+  return x + y;
+}