tree.c (make_vector_type): Build a main variant first, get the canonical one and...

tree.c (make_vector_type): Build a main variant first, get the canonical one and then build the variant.

2009-08-03  Richard Guenther  <rguenther@suse.de>

	* tree.c (make_vector_type): Build a main variant first,
	get the canonical one and then build the variant.
	* tree-ssa.c (useless_type_conversion_p_1): Handle
	fixed-point types.
	(useless_type_conversion_p): Conversions to pointers to
	incomplete record types are useless.

From-SVN: r150370