cmd/compile: remove Node.Nincr, Node.Nelse, Node.Initplan

$ sizeof -p cmd/compile/internal/gc Node
Node 288
$

Change-Id: I4e316efa246132b3faa3a892e4fe9c9039250665
Reviewed-on: https://go-review.googlesource.com/10520
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
diff --git a/src/cmd/compile/internal/gc/swt.go b/src/cmd/compile/internal/gc/swt.go
index 221b1f4..2f6833af 100644
--- a/src/cmd/compile/internal/gc/swt.go
+++ b/src/cmd/compile/internal/gc/swt.go
@@ -326,7 +326,7 @@
 	}
 	typecheck(&a.Ntest, Erv)
 	a.Nbody = list1(s.walkCases(cc[:half]))
-	a.Nelse = list1(s.walkCases(cc[half:]))
+	a.Rlist = list1(s.walkCases(cc[half:]))
 	return a
 }
 
@@ -688,7 +688,7 @@
 	a.Ntest = Nod(OLE, s.hashname, Nodintconst(int64(cc[half-1].hash)))
 	typecheck(&a.Ntest, Erv)
 	a.Nbody = list1(s.walkCases(cc[:half]))
-	a.Nelse = list1(s.walkCases(cc[half:]))
+	a.Rlist = list1(s.walkCases(cc[half:]))
 	return a
 }