re PR libstdc++/40296 ([C++0x] std::exception_ptr comparisons)

2009-06-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/40296
	* libsupc++/exception_ptr.h (exception_ptr::operator!,
	exception_ptr::operator __safe_bool): Only declare when
	_GLIBCXX_EH_PTR_COMPAT is undefined.
	* libsupc++/eh_ptr.cc: Define _GLIBCXX_EH_PTR_COMPAT before including
	exception_ptr.
	* testsuite/18_support/exception_ptr/40296.cc: New.
	* testsuite/18_support/nested_exception/throw_with_nested.cc: Adjust.
	* testsuite/18_support/nested_exception/cons.cc: Likewise.
	* testsuite/18_support/nested_exception/nested_ptr.cc: Likewise.
	* testsuite/18_support/exception_ptr/current_exception.cc: Likewise.

From-SVN: r148122

5 files changed, 37 insertions, 7 deletions

diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc
new file mode 100644
index 00000000000..933f4136956
--- /dev/null
+++ b/libstdc++-v3/testsuite/18_support/exception_ptr/40296.cc
@@ -0,0 +1,30 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+// { dg-require-atomic-builtins "" }
+
+// Copyright (C) 2009 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 <exception>
+
+// libstdc++/40296
+bool test01()
+{
+  std::exception_ptr p;
+
+  return (p == 0);
+}
diff --git a/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc b/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc
index ec06b336f1e..4029eaf69e3 100644
--- a/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc
+++ b/libstdc++-v3/testsuite/18_support/exception_ptr/current_exception.cc
@@ -31,7 +31,7 @@ void test01()
   using namespace std;
 
   exception_ptr ep = current_exception();
-  VERIFY( !ep );
+  VERIFY( ep == 0 );
 }
 
 void test02()
@@ -43,7 +43,7 @@ void test02()
     throw 0;
   } catch(...) {
     exception_ptr ep = current_exception();
-    VERIFY( ep );
+    VERIFY( ep != 0 );
   }
 }
 
@@ -56,7 +56,7 @@ void test03()
     throw exception();
   } catch(std::exception&) {
     exception_ptr ep = current_exception();
-    VERIFY( ep );
+    VERIFY( ep != 0 );
   }
 }
 
diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc b/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc
index dcbd36ec7e2..3dc67fb98b1 100644
--- a/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc
+++ b/libstdc++-v3/testsuite/18_support/nested_exception/cons.cc
@@ -27,7 +27,7 @@ void test01()
 
   std::nested_exception e;
 
-  VERIFY( !e.nested_ptr() );
+  VERIFY( e.nested_ptr() == 0 );
 }
 
 void test02() 
diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc b/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc
index 5a3ab62070e..d016436d017 100644
--- a/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc
+++ b/libstdc++-v3/testsuite/18_support/nested_exception/nested_ptr.cc
@@ -31,7 +31,7 @@ void test01()
   }
   catch (const std::nested_exception& e)
   {
-    VERIFY( !e.nested_ptr() );
+    VERIFY( e.nested_ptr() == 0 );
   }
 }
 
diff --git a/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc b/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc
index a4f05f09f30..9ce31f06f03 100644
--- a/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc
+++ b/libstdc++-v3/testsuite/18_support/nested_exception/throw_with_nested.cc
@@ -35,7 +35,7 @@ void test01()
   }
   catch (const std::nested_exception& e)
   {
-    VERIFY( !e.nested_ptr() );
+    VERIFY( e.nested_ptr() == 0 );
     try
     {
       throw;
@@ -58,7 +58,7 @@ void test02()
   }
   catch (const std::nested_exception& e)
   {
-    VERIFY( !e.nested_ptr() );
+    VERIFY( e.nested_ptr() == 0 );
     try
     {
       throw;