remove pointer-set.[ch]

remove pointer-set.[ch]

gcc/

	* Makefile.in: Remove references to pointer-set.c and pointer-set.h.
	* alias.c, cfgexpand.c, cgraphbuild.c,
	config/aarch64/aarch64-builtins.c, config/aarch64/aarch64.c,
	config/alpha/alpha.c, config/darwin.c, config/i386/i386.c,
	config/i386/winnt.c, config/ia64/ia64.c, config/m32c/m32c.c,
	config/mep/mep.c, config/mips/mips.c, config/rs6000/rs6000.c,
	config/s390/s390.c, config/sh/sh.c, config/sparc/sparc.c,
	config/spu/spu.c, config/stormy16/stormy16.c, config/tilegx/tilegx.c,
	config/tilepro/tilepro.c, config/xtensa/xtensa.c, dominance.c,
	dse.c, except.c, gengtype.c, gimple-expr.c,
	gimple-ssa-strength-reduction.c, gimplify.c, ifcvt.c,
	ipa-visibility.c, lto-streamer.h, omp-low.c, predict.c, stmt.c,
	tree-affine.c, tree-cfg.c, tree-eh.c, tree-inline.c, tree-nested.c,
	tree-scalar-evolution.c, tree-ssa-loop-im.c, tree-ssa-loop-niter.c,
	tree-ssa-phiopt.c, tree-ssa-structalias.c, tree-ssa-uninit.c,
	tree-ssa.c, tree.c, var-tracking.c, varpool.c: Remove includes of
	pointer-set.h.
	* pointer-set.c: Remove file.
	* pointer-set.h: Remove file.

gcc/c-family/

	* c-gimplify.c, cilk.c: Remove includes of pointer-set.h.

gcc/c/

	* c-typeck.c: Remove include of pointer-set.h.

gcc/cp/

	* class.c, cp-gimplify.c, decl.c, decl2.c, error.c, method.c,
	optimize.c, pt.c, semantics.c: Remove includes of pointer-set.h.

From-SVN: r213738