From eacb22bf7330f5d8164e0742d4b0dda956865d44 Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Fri, 3 May 2013 09:35:42 +0000
Subject: [PATCH] re PR c++/54318 ([C++11] Bogus "template instantiation depth
 exceeds maximum" error + segfault)

2013-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54318
	* g++.dg/cpp0x/pr54318.C: New.

From-SVN: r198573
---
 gcc/testsuite/ChangeLog              |  5 +++++
 gcc/testsuite/g++.dg/cpp0x/pr54318.C | 24 ++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp0x/pr54318.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 88ac42033b7..b7163534e82 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-03  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/54318
+	* g++.dg/cpp0x/pr54318.C: New.
+
 2013-05-03  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/14283
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr54318.C b/gcc/testsuite/g++.dg/cpp0x/pr54318.C
new file mode 100644
index 00000000000..4dac31b883a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/pr54318.C
@@ -0,0 +1,24 @@
+// PR c++/54318
+// { dg-do compile { target c++11 } }
+
+template <typename T>
+struct wrapped
+{
+  typedef T type;
+};
+
+template <typename T>
+typename T::type unwrap1(T);
+
+int unwrap(int);
+
+template <typename T>
+auto unwrap(T t) -> decltype(unwrap(unwrap1(t)))
+{
+  return unwrap(unwrap1(t));
+}
+
+int main()
+{
+  unwrap(wrapped<wrapped<int>>());
+}
-- 
2.30.2