2008-07-28 Richard Guenther <rguenther@suse.de>

2008-07-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36957
	* tree-flow.h (tree_ssa_useless_type_conversion): Remove.
	(useless_type_conversion_p): Remove.
	(types_compatible_p): Remove.
	* gimple.h (tree_ssa_useless_type_conversion): Declare.
	(useless_type_conversion_p): Declare.
	(types_compatible_p): Declare.
	(gimple_expr_type): Return the base type only if it is
	trivially convertible to the subtype.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138217 138bc75d-0d04-0410-961f-82ee72b054a4