From 43a85edfb5eb78b1c4a263a6103020c665b94ce4 Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo@gcc.gnu.org>
Date: Sun, 23 Jun 2013 23:36:34 +0000
Subject: [PATCH] sfinae47.C: New.

2013-06-23  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/cpp0x/sfinae47.C: New.

From-SVN: r200353
---
 gcc/testsuite/ChangeLog               | 18 +++++++++++-------
 gcc/testsuite/g++.dg/cpp0x/sfinae47.C | 25 +++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 7 deletions(-)
 create mode 100644 gcc/testsuite/g++.dg/cpp0x/sfinae47.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 06e6847c266..084a20f8790 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2013-06-23  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* g++.dg/cpp0x/sfinae47.C: New.
+
 2013-06-23  Oleg Endo <olegendo@gcc.gnu.org>
 
 	PR target/52483
@@ -9,13 +13,13 @@
 
 2013-06-23  Sriraman Tallam  <tmsriram@google.com>
 
-	* testsuite/gcc.target/i386/intrinsics_1.c: New test.
-	* testsuite/gcc.target/i386/intrinsics_2.c: Ditto.
-	* testsuite/gcc.target/i386/intrinsics_3.c: Ditto.
-	* testsuite/gcc.target/i386/intrinsics_4.c: Ditto.
-	* testsuite/gcc.target/i386/intrinsics_5.c: Ditto.
-	* testsuite/gcc.target/i386/intrinsics_6.c: Ditto.
-	* testsuite/gcc.target/i386/avx-1.c: Provide macros for builtins
+	* gcc.target/i386/intrinsics_1.c: New test.
+	* gcc.target/i386/intrinsics_2.c: Ditto.
+	* gcc.target/i386/intrinsics_3.c: Ditto.
+	* gcc.target/i386/intrinsics_4.c: Ditto.
+	* gcc.target/i386/intrinsics_5.c: Ditto.
+	* gcc.target/i386/intrinsics_6.c: Ditto.
+	* gcc.target/i386/avx-1.c: Provide macros for builtins
 	needing immediate arguments in f16cintrin.h and rtmintrin.h.
 
 2013-06-21  Tobias Burnus  <burnus@net-b.de>
diff --git a/gcc/testsuite/g++.dg/cpp0x/sfinae47.C b/gcc/testsuite/g++.dg/cpp0x/sfinae47.C
new file mode 100644
index 00000000000..1058a2864c3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/sfinae47.C
@@ -0,0 +1,25 @@
+// Source: Comment 16 of PR51213
+// { dg-do compile { target c++11 } }
+
+template <class T>
+T && declval();
+
+template <class T>
+constexpr auto hasSize(int) -> decltype(declval<T&>().size(), bool())
+{ return true; }
+
+template <class T>
+constexpr bool hasSize(...)
+{ return false; }
+
+struct A
+{
+  int size();
+};
+
+struct B : private A
+{
+};
+
+static_assert(hasSize<A>(0),  "A");
+static_assert(!hasSize<B>(0), "B");
-- 
2.30.2