From 470fa18b8d54594b339dafbd77ece4b05b4f00c3 Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Mon, 11 Mar 2019 10:30:24 +0000
Subject: [PATCH] re PR c++/87571 (ICE in friend_accessible_p, accessing
 protected member of template friend inside template class)

2019-03-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/87571
	* g++.dg/template/memfriend18.C: New.

From-SVN: r269575
---
 gcc/testsuite/ChangeLog                     |  5 +++++
 gcc/testsuite/g++.dg/template/memfriend18.C | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/template/memfriend18.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fc117d8f5a36..ac02d28b8575 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-03-11  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/87571
+	* g++.dg/template/memfriend18.C: New.
+
 2019-03-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* gdc.dg/pr89041.d: Mark as compile test.
diff --git a/gcc/testsuite/g++.dg/template/memfriend18.C b/gcc/testsuite/g++.dg/template/memfriend18.C
new file mode 100644
index 000000000000..ac21896e0a2a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/memfriend18.C
@@ -0,0 +1,19 @@
+// PR c++/87571
+
+template <class> struct A {
+  template <class> struct B {
+    template <class> friend class B;
+  protected:
+    int protected_member_;
+  public:
+    template <class T> int method(const B<T>& other) const {
+      return other.protected_member_;
+    }
+  };
+};
+
+int main() {
+  A<int>::B<int> a;
+  A<int>::B<char> b;
+  a.method(b);
+}
-- 
2.47.2