From f4d3e3cca5e7483dce84a8ba38203de5246a2b7b Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Mon, 26 Nov 2018 11:12:11 +0000
Subject: [PATCH] Only use __float128 in test if available

	* testsuite/26_numerics/complex/requirements/more_constexpr.cc: Fix
	failure on targets without __float128.

From-SVN: r266450
---
 libstdc++-v3/ChangeLog                                       | 5 +++++
 .../26_numerics/complex/requirements/more_constexpr.cc       | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 24351cb7ad5..11505c0f31f 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2018-11-26  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/26_numerics/complex/requirements/more_constexpr.cc: Fix
+	failure on targets without __float128.
+
 2018-11-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
 
 	Implement P0415 More constexpr for std::complex.
diff --git a/libstdc++-v3/testsuite/26_numerics/complex/requirements/more_constexpr.cc b/libstdc++-v3/testsuite/26_numerics/complex/requirements/more_constexpr.cc
index 902e7ce8e87..5e515a692db 100644
--- a/libstdc++-v3/testsuite/26_numerics/complex/requirements/more_constexpr.cc
+++ b/libstdc++-v3/testsuite/26_numerics/complex/requirements/more_constexpr.cc
@@ -164,8 +164,10 @@ int main()
   __gnu_test::test_operator_members<long double, double>();
   __gnu_test::test_operator_members<long double, long double>();
 
+#if defined(_GLIBCXX_USE_FLOAT128)
   // Test primary template.
   __gnu_test::test_operator_members<__float128, __float128>();
+#endif
 
   return 0;
 }