cmd/compile/internal/gc: make funcsyms a []*Node

Remove another use of NodeList.

Change-Id: Ice07eff862caf715f722dec7829006bf71715b07
Reviewed-on: https://go-review.googlesource.com/15432Reviewed-by: Dave Cheney <dave@cheney.net>

src/cmd/compile/internal/gc/dcl.go

@@ -1499,5 +1499,5 @@ func makefuncsym(s *Sym) {
 	s1 := funcsym(s)
 	s1.Def = newfuncname(s1)
 	s1.Def.Func.Shortname = newname(s)
-	funcsyms = list(funcsyms, s1.Def)
+	funcsyms = append(funcsyms, s1.Def)
 }

src/cmd/compile/internal/gc/go.go

@@ -589,7 +589,7 @@ var exportlist []*Node
 
 var importlist []*Node // imported functions and methods with inlinable bodies
 
-var funcsyms *NodeList
+var funcsyms []*Node
 
 var dclcontext uint8 // PEXTERN/PAUTO
 

src/cmd/compile/internal/gc/obj.go

@@ -104,8 +104,6 @@ func dumpobj() {
 }
 
 func dumpglobls() {
-	var n *Node
-
 	// add globals
 	for _, n := range externdcl {
 		if n.Op != ONAME {
@@ -125,8 +123,7 @@ func dumpglobls() {
 		ggloblnod(n)
 	}
 
-	for l := funcsyms; l != nil; l = l.Next {
-		n = l.N
+	for _, n := range funcsyms {
 		dsymptr(n.Sym, 0, n.Sym.Def.Func.Shortname.Sym, 0)
 		ggloblsym(n.Sym, int32(Widthptr), obj.DUPOK|obj.RODATA)
 	}