From ff164b601b75a9aba47edfaa9a215cb376ab055e Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Mon, 24 Jun 2019 13:09:47 +0100
Subject: Define C11 macros such as FLT_DECIMAL_DIG for C++17

	* testsuite/18_support/headers/cfloat/values_c++17.cc: New test.

From-SVN: r272615
---
 libstdc++-v3/ChangeLog                             |  4 +++
 .../18_support/headers/cfloat/values_c++17.cc      | 37 ++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc

(limited to 'libstdc++-v3')

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index ac98c0d..2acb150 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2019-06-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
+
 2019-06-20  Jonathan Wakely  <jwakely@redhat.com>
 
 	* acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
diff --git a/libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc b/libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc
new file mode 100644
index 0000000..f3efd20
--- /dev/null
+++ b/libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc
@@ -0,0 +1,37 @@
+// { dg-options "-std=gnu++17" }
+// { dg-do compile { target c++17 } }
+
+// Copyright (C) 2019 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <cfloat>
+#include "values.cc"
+
+namespace gnu17
+{
+  double d1 = DBL_DECIMAL_DIG;
+  double d2 = DBL_HAS_SUBNORM;
+  double d3 = DBL_TRUE_MIN;
+
+  float f1 = FLT_DECIMAL_DIG;
+  float f2 = FLT_HAS_SUBNORM;
+  float f3 = FLT_TRUE_MIN;
+
+  long double ld1 = LDBL_DECIMAL_DIG;
+  long double ld2 = LDBL_HAS_SUBNORM;
+  long double ld3 = LDBL_TRUE_MIN;
+}
-- 
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