re PR target/41595 (object-c++ mangled local labels are not correctly recognized.)

  2009-10-06 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>

	PR objective-c++/41595
	* config/darwin.c (darwin_label_is_anonymous_local_objc_name):
	New function to recognize objective c/c++ internal symbols,
	including mangled ones.
	* config/darwin.h (ASM_OUTPUT_LABELREF): Use
	darwin_label_is_anonymous_local_objc_name to detect both
	mangled and clear ObjC internal symbols.

From-SVN: r155500