re PR ipa/65334 (r221099 caused: FAIL: gfortran.fortran-torture/execute/in-pack.f90...

re PR ipa/65334 (r221099 caused: FAIL: gfortran.fortran-torture/execute/in-pack.f90 execution, -O2 -ftree-vectorize -msse2)

	PR ipa/65334
	* cgraph.h (symtab_node): Add definition_alignment,
	can_increase_alignment_p and increase_alignment.
	* symtab.c (symtab_node::can_increase_alignment_p,
	increase_alignment_1, symtab_node::increase_alignment,
	symtab_node::definition_alignment): New.
	* tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Use
	can_increase_alignment_p.
	* tree-vectorizer.c (increase_alignment): Use increase_alignment.
	* tree-vect-stmts.c (ensure_base_align): Likewise.

From-SVN: r221268