From 968e56bf7f0a064fdc234a6b13246b02724a6d4a Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Wed, 4 Oct 2017 20:34:03 +0000
Subject: [PATCH] re PR c++/78018 ([C++14] "internal compiler error:
 Segmentation fault" with templates and lambdas)

2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/78018
	* g++.dg/cpp1y/lambda-generic-78018.C: New.

From-SVN: r253430
---
 gcc/testsuite/ChangeLog                       |  5 +++
 .../g++.dg/cpp1y/lambda-generic-78018.C       | 37 +++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp1y/lambda-generic-78018.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8e00f3274c0..6e8680b3312 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/78018
+	* g++.dg/cpp1y/lambda-generic-78018.C: New.
+
 2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>
 	    Andrew Pinski  <apinski@cavium.com>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-78018.C b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-78018.C
new file mode 100644
index 00000000000..6cf9c5966cd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-78018.C
@@ -0,0 +1,37 @@
+// PR c++/78018
+// { dg-do compile { target c++14 } }
+
+struct A
+{
+    void f1();
+
+    template <typename F>
+    void f2(F f);
+
+    template<typename T>
+    void f3(T t);
+};
+
+struct B
+{
+    template<typename L>
+    void f(L) { }
+};
+
+void A::f1()
+{
+    f2([&] (auto t) { f3(t); } );
+}
+
+template <typename F>
+void A::f2(F f)
+{
+    B b;
+    f(b);
+}
+
+template<typename T>
+void A::f3(T t)
+{
+}
+
-- 
2.30.2