re PR c++/17412 (tree check failure in fold-const)

re PR c++/17412 (tree check failure in fold-const)

	PR c++/17412
	* fold-const.c (fold): Do not try to fold the operand of a
	CLEANUP_POINT_EXPR if that operand does itself not have any
	operands.
testsuite/
	* g++.dg/parse/break-in-for.C: New test.

	PR middle-end/17417
	* langhooks.c (lhd_decl_printable_name): Make sure that this
	function is called with is a decl node that has an identifier.
	* tree-pretty-print.c (dump_function_name): New function to
	wrap PRINT_FUNCTION_NAME and dump_decl_name.
	(print_call_name): Use it.

From-SVN: r87363