* Makefile.in: Fix many dependencies.
	* tree-profile.c: Don't include regs.h.
	* tree-vectorizer.c: Don't include cfglayout.h.
	* tree-vect-stmts.c: Likewise.
	* tree-vect-slp.c: Likewise.
	* tree-vect-loop.c: Likewise.
	* reg-stack.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* toplev.c: Likewise.
	* varasm.c: Don't include cfglayout.h, basic-block.h,
	and tree-iterator.h.
	* tree-cfgcleanup.c: Don't include cfglayout.h.
	* passes.c: Don't include cfglayout.h, dwarf2asm.h,
	dwarf2out.h, dbxout.h, sdbout.h, and xcoffout.h.
	* cgraphclones.c: Don't include plugin.h.

From-SVN: r188068