From ab2c347c358036f017003ab7c1043705c6482a8c Mon Sep 17 00:00:00 2001
From: Marek Polacek <polacek@redhat.com>
Date: Tue, 18 Jun 2019 21:50:51 +0000
Subject: [PATCH] re PR c++/84698 (ICE when using noexcept(noexcept())
 declaration on global friend function of template class)

	PR c++/84698
	* g++.dg/cpp0x/noexcept42.C: New test.

From-SVN: r272443
---
 gcc/testsuite/ChangeLog                 |  3 +++
 gcc/testsuite/g++.dg/cpp0x/noexcept42.C | 21 +++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp0x/noexcept42.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a348251a930..2848d2ceeca 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2019-06-18  Marek Polacek  <polacek@redhat.com>
 
+	PR c++/84698
+	* g++.dg/cpp0x/noexcept42.C: New test.
+
 	PR c++/71548
 	* g++.dg/cpp0x/variadic177.C: New test.
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/noexcept42.C b/gcc/testsuite/g++.dg/cpp0x/noexcept42.C
new file mode 100644
index 00000000000..5d7218dd3e0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/noexcept42.C
@@ -0,0 +1,21 @@
+// PR c++/84698
+// { dg-do compile { target c++11 } }
+
+template<typename A, typename B>
+struct X {
+  void swap(X& o) noexcept { }
+
+  template<typename... Args>
+  friend void swap(X<Args...>& a, X<Args...>& b) noexcept(noexcept(a.swap(b)));
+};
+
+template<typename... Args>
+inline void swap(X<Args...>& a, X<Args...>& b) noexcept(noexcept(a.swap(b)))
+{
+}
+
+int
+main ()
+{
+  X<int, int> x;
+}
-- 
2.30.2