re PR tree-optimization/21839 (ICE for missing V_DEFS caused by salias with empty structures)

2005-06-01  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/21839

	* gimplify.c (zero_sized_field_decl): New function.
	(gimplify_init_ctor_eval): Use it.

From-SVN: r100477