re PR tree-optimization/21430 (Quadratic behavior with constant initializers)

2005-09-30  Andrew Macleod  <amacleod@redat.com>

	PR tree-optimization/21430
	* tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
	use operands, and set stmt pointer if need be.
	(FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
	tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
	present.

From-SVN: r104816