re PR libstdc++/7286 (placement operator delete issue)

2002-07-24  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/7286
	* libsupc++/new: Add placement delete.
	* testsuite/18_support/new_delete_placement.cc: New.

	* docs/html/abi.txt: Fix typos.

From-SVN: r55718

libstdc++-v3/ChangeLog

@@ -1,3 +1,11 @@
+2002-07-24  Benjamin Kosnik  <bkoz@redhat.com>
+
+	PR libstdc++/7286
+	* libsupc++/new: Add placement delete.
+	* testsuite/18_support/new_delete_placement.cc: New.
+
+	* docs/html/abi.txt: Fix typos.
+	
 2002-07-23  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* docs/html/documentation.html: Remove libstdc++-v3.0.86 links,

libstdc++-v3/docs/html/abi.txt

@@ -139,15 +139,15 @@ one with a new compiler and an old library, and the other with an old
 compiler and a new library, and look for testsuite regressions)
 
 Two.  
-Have the libstdc++ testesuite proactively check the library
-ABI. Probably a couple of items would be covered, although perhaps not
-all would need to be done at once for this to be useful. Compute the
-list of names exported in the shared version of libstdc++
-binary. Then, save this list of names. Have this list of names
-re-computed for each new binary of the same version. Next, use sizeof
-and offset to compute offsets for each structure and type in the
-standard library, saving to another datafile. Then, compute this for
-new binaries, and look for differences.
+Have the libstdc++ testsuite proactive check the library ABI. Probably
+a couple of items would be covered, although perhaps not all would
+need to be done at once for this to be useful. Compute the list of
+names exported in the shared version of libstdc++ binary. Then, save
+this list of names. Have this list of names re-computed for each new
+binary of the same version. Next, use sizeof, alignof, and offset to
+compute offsets for each structure and type in the standard library,
+saving to another datafile. Then, compute this for new binaries, and
+look for differences.
 
 The thought is to choose one or both of these approaches, and to use a
 Makefile hook, perhaps 'make check-abi', to add this capability to the

libstdc++-v3/libsupc++/new

@@ -91,6 +91,10 @@ void operator delete[](void*, const std::nothrow_t&) throw();
 // Default placement versions of operator new.
 inline void* operator new(std::size_t, void* __p) throw() { return __p; }
 inline void* operator new[](std::size_t, void* __p) throw() { return __p; }
+
+// Default placement versions of operator delete.
+inline void  operator delete  (void* ptr, void*) throw() { };
+inline void  operator delete[](void* ptr, void*) throw() { };
 //@}
 } // extern "C++"
 

libstdc++-v3/testsuite/18_support/new_delete_placement.cc

@@ -0,0 +1,40 @@
+// 2002-07-24 Benjamin Kosnik
+
+// Copyright (C) 2002 Free Software Foundation
+//
+// 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 18.4.1.3 - Placement forms
+
+#include <new>
+#include <testsuite_hooks.h>
+
+// libstdc++/7286
+void test01()
+{
+  void* pc = new char;
+  void* pa = new char[10];
+  void* tmp;
+  operator delete(pc, tmp);
+  operator delete[](pa, tmp);
+}
+
+int main()
+{
+  test01();
+  return 0;
+}