From eba48932f0904e49c773cf2b8981c4df26100636 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Sun, 17 Dec 2017 02:18:11 +0200
Subject: [PATCH] Skip test_empty_ref on g++ 7 in C++17 mode due to compiler
 bug

---
 test/function_test.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/function_test.cpp b/test/function_test.cpp
index 02a60ce..cce4365 100644
--- a/test/function_test.cpp
+++ b/test/function_test.cpp
@@ -629,6 +629,17 @@ test_ref()
   }
 }
 
+#if BOOST_WORKAROUND(BOOST_GCC, >= 70000 && BOOST_GCC < 80000) && __cplusplus >= 201700
+
+// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81311
+#pragma message("Skipping test_empty_ref on g++ 7 -std=c++17")
+
+static void test_empty_ref()
+{
+}
+
+#else
+
 static void dummy() {}
 
 static void test_empty_ref()
@@ -652,6 +663,8 @@ static void test_empty_ref()
   }
 }
 
+#endif
+
 
 static void test_exception()
 {