From 90e79377a542e63b5cded9c72064b11e7833cce4 Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Thu, 27 Sep 2018 09:53:08 +0000
Subject: [PATCH] re PR c++/67544 (ICE: SIGSEGV in tree_check3 (tree.h:2896)
 with -fconcepts)

2018-09-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/67544
	* g++.dg/concepts/pr67544.C: New.

From-SVN: r264665
---
 gcc/testsuite/ChangeLog                 |  5 +++++
 gcc/testsuite/g++.dg/concepts/pr67544.C | 11 +++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/concepts/pr67544.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4bca4082022..d723ef42ee4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-09-27  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/67544
+	* g++.dg/concepts/pr67544.C: New.
+
 2018-09-27  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/84940
diff --git a/gcc/testsuite/g++.dg/concepts/pr67544.C b/gcc/testsuite/g++.dg/concepts/pr67544.C
new file mode 100644
index 00000000000..af4f677644a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/concepts/pr67544.C
@@ -0,0 +1,11 @@
+// { dg-additional-options "-fconcepts" }
+
+template <typename T> struct A
+{
+  struct B;
+};
+
+struct C
+{
+  template<typename T> friend struct A<T>::B;
+};
-- 
2.30.2