re PR c++/45562 (ICE: SIGSEGV in cp_build_unary_op (typeck.c:5083) with -std=gnu++0x -fipa-cp-clone -fcompare-debug)

2010-10-11  Martin Jambor  <mjambor@suse.cz>

	PR c++/45562
	* cp/cp-tree.h (current_class_ref): Check that cp_function_chain is
	non-NULL.
	* cp/call.c (build_cxx_call): Likewise.

From-SVN: r165330