From 8ac432938d3c29cc1fd25f8fe33a5dfefd9c2ff6 Mon Sep 17 00:00:00 2001
From: Martin Sebor <msebor@redhat.com>
Date: Tue, 26 Apr 2016 22:57:34 +0000
Subject: [PATCH] PR c++/66639 - declare __func__ , __FUNCTION__ &
 __PRETTY_FUNCTION__ constexpr

PR c++/66639 - declare __func__ , __FUNCTION__ & __PRETTY_FUNCTION__ constexpr
* g++.dg/cpp1y/func_constexpr.C: New test.

From-SVN: r235458
---
 gcc/testsuite/ChangeLog                     |  5 ++++
 gcc/testsuite/g++.dg/cpp1y/func_constexpr.C | 29 +++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp1y/func_constexpr.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8401206c7a0..ecd3fa9519f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-04-26  Martin Sebor  <msebor@redhat.com>
+
+	PR c++/66639
+	* g++.dg/cpp1y/func_constexpr.C: New test.
+
 2016-04-26  Patrick Palka  <ppalka@gcc.gnu.org>
 
 	PR c++/70241
diff --git a/gcc/testsuite/g++.dg/cpp1y/func_constexpr.C b/gcc/testsuite/g++.dg/cpp1y/func_constexpr.C
new file mode 100644
index 00000000000..2edcd01980f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/func_constexpr.C
@@ -0,0 +1,29 @@
+// PR c++/66639 - declare __func__ , __FUNCTION__ & __PRETTY_FUNCTION__
+// as constexpr
+// { dg-do compile { target c++11 } }
+
+#define Assert(expr)   static_assert ((expr), #expr)
+#define Compare(a, b)  Assert (0 == __builtin_strcmp (a, b))
+
+constexpr const char* func ()
+{
+  return __func__;
+}
+
+constexpr const char* function ()
+{
+  return __FUNCTION__;
+}
+
+constexpr const char* pretty_function ()
+{
+  return __PRETTY_FUNCTION__;
+}
+
+constexpr const char* f0 = func ();
+constexpr const char* f1 = function ();
+constexpr const char* f2 = pretty_function ();
+
+Compare (f0, "func");
+Compare (f1, "function");
+Compare (f2, "constexpr const char* pretty_function()");