From 73b7f10a557cc13425b6f0494a2b230527ad06a1 Mon Sep 17 00:00:00 2001
From: Marek Polacek <polacek@redhat.com>
Date: Thu, 20 Jun 2019 12:22:25 +0000
Subject: [PATCH] re PR c++/89873 (internal compiler error: unexpected
 expression of kind implicit_conv_expr)

	PR c++/89873
	* g++.dg/cpp1y/noexcept1.C: New test.

From-SVN: r272507
---
 gcc/testsuite/ChangeLog                |  5 +++++
 gcc/testsuite/g++.dg/cpp1y/noexcept1.C | 13 +++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp1y/noexcept1.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c91f8ed98a2..518dada066f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-06-20  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/89873
+	* g++.dg/cpp1y/noexcept1.C: New test.
+
 2019-06-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/90937
diff --git a/gcc/testsuite/g++.dg/cpp1y/noexcept1.C b/gcc/testsuite/g++.dg/cpp1y/noexcept1.C
new file mode 100644
index 00000000000..86e46c96148
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/noexcept1.C
@@ -0,0 +1,13 @@
+// PR c++/89873
+// { dg-do compile { target c++14 } }
+
+template <int> bool b;
+
+template <typename> 
+struct C {
+  template <typename> friend int foo() noexcept(b<1>); // { dg-error "not usable in a constant expression|different exception specifier" }
+};
+
+template <typename> int foo() noexcept(b<1>);
+
+auto a = C<int>();
-- 
2.30.2