re PR lto/50494 (gcc.dg/vect/vect-reduc-2char.c fails spuriously on ppc with -flto)

re PR lto/50494 (gcc.dg/vect/vect-reduc-2char.c fails spuriously on ppc with -flto)

2013-03-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/50494
	* tree-vect-data-refs.c (vect_can_force_dr_alignment_p):
	Do not adjust alignment of DECL_IN_CONSTANT_POOL decls.

	Revert
	2013-02-13  Richard Biener  <rguenther@suse.de>

	PR lto/50494
	* varasm.c (output_constant_def_1): Get the decl representing
	the constant as argument.
	(output_constant_def): Wrap output_constant_def_1.
	(make_decl_rtl): Use output_constant_def_1 with the decl
	representing the constant.
	(build_constant_desc): Optionally re-use a decl already
	representing the constant.
	(tree_output_constant_def): Adjust.

From-SVN: r196487