2010-04-26  Richard Guenther  <rguenther@suse.de>

	PR lto/43080
	* gimple.c (gimple_decl_printable_name): Deal gracefully
	with a NULL DECL_NAME.

	* g++.dg/lto/20100423-3_0.C: New testcase.

From-SVN: r158723