2008-06-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35518
	* fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
	* tree-sra.c (instantiate_element): Use fold_build3 to build
	BIT_FIELD_REFs.
	(try_instantiate_multiple_fields): Likewise.

From-SVN: r137100