PR debug/43077
	* cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
	(expand_gimple_basic_block): Generate and use debug temps if there
	are debug uses left after the last real use of TERed ssa names.
	Unlink debug immediate uses when they are expanded.

testsuite/
	PR debug/43077
	* gcc.dg/guality/pr43077-1.c: New test.

From-SVN: r157009