2005-07-06  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/22319
	Fix PR tree-optimization/22140
	Fix PR tree-optimization/22310

	* tree-ssa-structalias.c (do_structure_copy): Give up earlier on
	variable sized types.
	Use correct type for intermediate structure on *a = *b structure
	copies.

From-SVN: r101658