pass current function to opt_pass::gate ()

gcc/
	* passes.c (opt_pass::gate): Take function * argument.
	(gate_all_early_local_passes): Merge into
	(early_local_passes::gate): this.
	(gate_all_early_optimizations): Merge into
	(all_early_optimizations::gate): this.
	(gate_all_optimizations): Mege into
	(all_optimizations::gate): this.
	(gate_all_optimizations_g): Merge into
	(all_optimizations_g::gate): this.
	(gate_rest_of_compilation): Mege into
	(rest_of_compilation::gate): this.
	(gate_postreload): Merge into
	(postreload::gate): this.
	(dump_one_pass): Pass cfun to the pass's gate method.
	(execute_ipa_summary_passes): Likewise.
	(execute_one_pass): Likewise.
	(ipa_write_summaries_2): Likewise.
	(ipa_write_optimization_summaries_1): Likewise.
	(ipa_read_summaries_1): Likewise.
	(ipa_read_optimization_summaries_1): Likewise.
	(execute_ipa_stmt_fixups): Likewise.
	* tree-pass.h (opt_pass::gate): Add function * argument.
	* asan.c, auto-inc-dec.c, bb-reorder.c, bt-load.c,
	combine-stack-adj.c, combine.c, compare-elim.c,
	config/epiphany/resolve-sw-modes.c, config/i386/i386.c,
	config/rl78/rl78.c, config/sh/sh_optimize_sett_clrt.cc,
	config/sh/sh_treg_combine.cc, config/sparc/sparc.c, cprop.c, cse.c,
	dce.c, df-core.c, dse.c, dwarf2cfi.c, except.c,  fwprop.c, gcse.c,
	gimple-ssa-isolate-paths.c, gimple-ssa-strength-reduction.c,
	graphite.c, ifcvt.c, init-regs.c, ipa-cp.c, ipa-devirt.c,
	ipa-profile.c, ipa-pure-const.c, ipa-reference.c, ipa-split.c, ipa.c,
	loop-init.c, lower-subreg.c, mode-switching.c, modulo-sched.c,
	omp-low.c, postreload-gcse.c, postreload.c, predict.c, recog.c, ree.c,
	reg-stack.c, regcprop.c, regrename.c, reorg.c, sched-rgn.c,
	store-motion.c, tracer.c, trans-mem.c, tree-call-cdce.c, tree-cfg.c,
	tree-cfgcleanup.c, tree-complex.c, tree-eh.c, tree-emutls.c,
	tree-if-conv.c, tree-into-ssa.c, tree-loop-distribution.c,
	tree-nrv.c, tree-parloops.c, tree-predcom.c, tree-profile.c,
	tree-sra.c, tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-copyrename.c,
	tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
	tree-ssa-ifcombine.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
	tree-ssa-loop-ivcanon.c, tree-ssa-loop-prefetch.c,
	tree-ssa-loop-unswitch.c, tree-ssa-loop.c, tree-ssa-math-opts.c,
	tree-ssa-phiopt.c, tree-ssa-phiprop.c, tree-ssa-pre.c,
	tree-ssa-reassoc.c, tree-ssa-sink.c, tree-ssa-strlen.c,
	tree-ssa-structalias.c, tree-ssa-uncprop.c, tree-ssa-uninit.c,
	tree-ssa.c, tree-stdarg.c, tree-switch-conversion.c, tree-tailcall.c,
	tree-vect-generic.c, tree-vectorizer.c, tree-vrp.c, tsan.c, ubsan.c,
	var-tracking.c, vtable-verify.c, web.c: Adjust.

gcc/testsuite/
	* g++.dg/plugin/dumb_plugin.c, g++.dg/plugin/selfasign.c,
	gcc.dg/plugin/one_time_plugin.c, gcc.dg/plugin/selfasign.c: Adjust.

From-SVN: r209481
diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c
index e346074..a46fa51 100644
--- a/gcc/tree-parloops.c
+++ b/gcc/tree-parloops.c
@@ -2253,12 +2253,6 @@
 
 /* Parallelization.  */
 
-static bool
-gate_tree_parallelize_loops (void)
-{
-  return flag_tree_parallelize_loops > 1;
-}
-
 static unsigned
 tree_parallelize_loops (void)
 {
@@ -2294,7 +2288,7 @@
   {}
 
   /* opt_pass methods: */
-  bool gate () { return gate_tree_parallelize_loops (); }
+  virtual bool gate (function *) { return flag_tree_parallelize_loops > 1; }
   unsigned int execute () { return tree_parallelize_loops (); }
 
 }; // class pass_parallelize_loops