Hi,
the library bits seem straightforward enough to go in now. Of course the
substantive issue seems C++ front end diagnostics, post 4.7.0 material.
Sanity checked x86_64-linux.
Thanks,
Paolo.
///////////////////
2012-02-05 Jeffrey Yasskin <jyass...@gcc.gnu.org>
Paolo Carlini <paolo.carl...@oracle.com>
PR libstdc++/52119
* include/std/limits (__glibcxx_min): Fix to aboid undefined behavior.
Index: include/std/limits
===================================================================
--- include/std/limits (revision 183904)
+++ include/std/limits (working copy)
@@ -1,7 +1,7 @@
// The template and inlines for the numeric_limits classes. -*- C++ -*-
// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-// 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// 2008, 2009, 2010, 2011, 2012 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
@@ -129,7 +129,7 @@
#define __glibcxx_signed(T) ((T)(-1) < 0)
#define __glibcxx_min(T) \
- (__glibcxx_signed (T) ? (T)1 << __glibcxx_digits (T) : (T)0)
+ (__glibcxx_signed (T) ? -__glibcxx_max (T) - 1 : (T)0)
#define __glibcxx_max(T) \
(__glibcxx_signed (T) ? \
