re PR c/48146 (ICE tree check: expected ssa_name, have var_decl in has_zero_uses, at tree-flow-inline.h:342)

2011-03-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48146
	* tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
	operands avoiding the need for renaming.

	* gcc.dg/torture/pr48146.c: New testcase.

From-SVN: r171045