re PR tree-optimization/51363 (ICE: in gimple_rhs_has_side_effects, at gimple.c:2530 with -O -fno-tree-ccp)

2011-12-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51363
	* gimple.c (gimple_rhs_has_side_effects): Remove.
	* gimple.h (gimple_rhs_has_side_effects): Likewise.
	* tree-ssa-dom.c (optimize_stmt): Simplify conditional.

From-SVN: r182041