From 57fbfd5a55e2ffb1179a2fd2836a7c95c687d83a Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Thu, 26 Nov 2015 18:43:47 +0000
Subject: [PATCH] re PR c++/67238 ([C++11][C++14]cc1plus crash for nested
 decltype expression in parameter pack in trailing return type when '-g'
 enabled)

2015-11-26  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/67238
	* g++.dg/cpp0x/pr67238.C: New.

From-SVN: r230981
---
 gcc/testsuite/ChangeLog              |  5 +++++
 gcc/testsuite/g++.dg/cpp0x/pr67238.C | 20 ++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp0x/pr67238.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index df920a0fa48..d84b6a87ebb 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-11-26  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/67238
+	* g++.dg/cpp0x/pr67238.C: New.
+
 2015-11-26  Martin Sebor  <msebor@redhat.com>
 
 	* g++.dg/pr67876.C: Remove duplicate content.
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr67238.C b/gcc/testsuite/g++.dg/cpp0x/pr67238.C
new file mode 100644
index 00000000000..606a21e591b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/pr67238.C
@@ -0,0 +1,20 @@
+// { dg-do compile { target c++11 } }
+// { dg-options "-g" }
+
+template<class F, class... A>
+void
+g(F&&, A&&...)
+{}
+
+template<class... A>
+auto
+h(A&&... a) -> decltype(g(0, g<decltype(a)>(a)...))
+{
+  return g([]{}, a...);
+}
+
+int
+main()
+{
+  h();
+}
-- 
2.30.2