re PR libitm/52220 (FAIL: libitm.c++/eh-1.C execution test due to Xcode 4 weakref...

re PR libitm/52220 (FAIL: libitm.c++/eh-1.C execution test due to Xcode 4 weakref linker bug)

libitm/
2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	PR libitm/52220
	* alloc_cpp.cc: No dummy definitions for darwin.
	* eh_cpp.cc: Likewise.

libgcc/
2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	PR libitm/52220
	* config/darwin-crt-tm.c: Generate dummy functions.

Co-Authored-By: Patrick Marlier <patrick.marlier@gmail.com>
From-SVN: r184293