* config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
	.hidden.
	(.note.GNU-stack): Only use if __linux__.
	* alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
	* testsuite/libitm.c/notx.c: Use dg-options "-pthread".
	* testsuite/libitm.c/reentrant.c: Likewise.
	* testsuite/libitm.c/simple-2.c: Likewise.
	* testsuite/libitm.c/txrelease.c: Likewise.
	* testsuite/libitm.c++/static_ctor.C: Likewise.

From-SVN: r181262