From bd8b8b5cae4541a5b968f6f507ac637d7e669411 Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Wed, 4 Mar 2015 08:32:23 +0000
Subject: [PATCH] re PR c++/64398 (decltype in different contexts with similar
 expressions triggers segfault in GCC)

2015-03-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/64398
	* g++.dg/cpp0x/decltype62.C: New.

From-SVN: r221174
---
 gcc/testsuite/ChangeLog                 |  5 +++++
 gcc/testsuite/g++.dg/cpp0x/decltype62.C | 15 +++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp0x/decltype62.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d38eb522768..8700a47a8c1 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/64398
+	* g++.dg/cpp0x/decltype62.C: New.
+
 2015-03-03  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/object_overflow5.adb: New test.
diff --git a/gcc/testsuite/g++.dg/cpp0x/decltype62.C b/gcc/testsuite/g++.dg/cpp0x/decltype62.C
new file mode 100644
index 00000000000..f2f16065435
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/decltype62.C
@@ -0,0 +1,15 @@
+// PR c++/64398
+// { dg-do compile { target c++11 } }
+
+template<typename T> struct template1;
+
+template<typename T, typename> // second param required
+struct struct1{
+	using type1 = decltype(T::x);
+	using type2 = template1<type1>;
+};
+
+template<typename T> using alias1 = template1<decltype(T::x)>;
+
+// just for instantiation:
+template<typename T> using alias2 = alias1<T>;
-- 
2.30.2