PR c/70297
	* c-decl.c (merge_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.

	* decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.

	* c-c++-common/pr70297.c: New test.
	* g++.dg/cpp0x/typedef-redecl.C: New test.
	* gcc.dg/typedef-redecl2.c: New test.

From-SVN: r234626