From patchwork Tue Oct  9 16:11:48 2012
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Subject: [C++,testcase] PR 53763
Date: Tue, 09 Oct 2012 06:11:48 -0000
From: Paolo Carlini <paolo.carlini@oracle.com>
X-Patchwork-Id: 190356
Message-Id: <50744CC4.6060902@oracle.com>
To: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>

Hi,

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

Thanks,
Paolo.

/////////////////////////
2012-10-09  Paolo Carlini  <paolo.carlini@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;
+}