From 240a30da1b3f5d4d60640a09f135275e8fee8b92 Mon Sep 17 00:00:00 2001
From: Keith Randall <khr@google.com>
Date: Mon, 15 Oct 2018 09:44:22 -0700
Subject: [PATCH] cmd/compile: check order temp has correct type

Followon from CL 140306

Change-Id: Ic71033d2301105b15b60645d895a076107f44a2e
Reviewed-on: https://go-review.googlesource.com/c/142178
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
---
 src/cmd/compile/internal/gc/sinit.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/cmd/compile/internal/gc/sinit.go b/src/cmd/compile/internal/gc/sinit.go
index d520f21e63a..f24da706252 100644
--- a/src/cmd/compile/internal/gc/sinit.go
+++ b/src/cmd/compile/internal/gc/sinit.go
@@ -833,7 +833,9 @@ func slicelit(ctxt initContext, n *Node, var_ *Node, init *Nodes) {
 	var a *Node
 	if x := prealloc[n]; x != nil {
 		// temp allocated during order.go for dddarg
-		x.Type = t
+		if !eqtype(t, x.Type) {
+			panic("dotdotdot base type does not match order's assigned type")
+		}
 
 		if vstat == nil {
 			a = nod(OAS, x, nil)