re PR lto/42762 (ICE in get_resolution() when compiling a C++ program with -flto -fuse-linker-plugin)

2010-02-05  Richard Guenther  <rguenther@suse.de>

	PR lto/42762
	* lto-streamer-in.c (get_resolution): Deal with references
	to undefined functions.

From-SVN: r156520