From 1d3a0146ae9b32c4c57cbd4d5cde2672ed283828 Mon Sep 17 00:00:00 2001
From: Eric Botcazou <ebotcazou@gcc.gnu.org>
Date: Mon, 22 Dec 2014 11:05:18 +0000
Subject: [PATCH] * gnat.dg/nan_max.adb: New test.

From-SVN: r219011
---
 gcc/testsuite/gnat.dg/nan_max.adb | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 gcc/testsuite/gnat.dg/nan_max.adb

diff --git a/gcc/testsuite/gnat.dg/nan_max.adb b/gcc/testsuite/gnat.dg/nan_max.adb
new file mode 100644
index 00000000000..a2cac30f5e8
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/nan_max.adb
@@ -0,0 +1,30 @@
+-- { dg-do run }
+
+procedure Nan_Max is
+
+   function NaN return Long_Float is
+      Zero : Long_Float := 0.0;
+   begin
+      return Zero / Zero;
+   end;
+
+   Z : Long_Float := 1.0;
+   N : Long_Float := NaN;
+
+begin
+   if Long_Float'Max (N, Z) /= Z then
+      raise Program_Error;
+   end if;
+
+   if Long_Float'Max (Z, N) /= Z then
+      raise Program_Error;
+   end if;
+
+   if Long_Float'Max (NaN, Z) /= Z then
+      raise Program_Error;
+   end if;
+
+   if Long_Float'Max (Z, NaN) /= Z then
+      raise Program_Error;
+   end if;
+end;