2011-01-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/46801
	* tree-sra.c (type_internals_preclude_sra_p): Check whether
	aggregate fields start at byte boundary instead of the bit-field flag.

	* testsuite/gnat.dg/pack9.adb: Remove xfail.

From-SVN: r168431