2007-11-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34127
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Make code match up the comments, require compatibility of the
	pointed-to types.

	* gcc.c-torture/compile/pr34127.c: New testcase.

From-SVN: r130269