cmd/compile: add VARLIVE to opnames list

Change-Id: Ie8cb7c7428ae9026c11643b22f9ecf7977e25f5f
Reviewed-on: https://go-review.googlesource.com/18737Reviewed-by: Russ Cox <rsc@golang.org>

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

@@ -149,6 +149,7 @@ var opnames = []string{
 	OCFUNC:           "CFUNC",
 	OCHECKNIL:        "CHECKNIL",
 	OVARKILL:         "VARKILL",
+	OVARLIVE:         "VARLIVE",
 	OREGISTER:        "REGISTER",
 	OINDREG:          "INDREG",
 	OCMP:             "CMP",