From faf9c7d8fe9885a8d96de389f16bc4fdadb067a2 Mon Sep 17 00:00:00 2001
From: Keith Randall <khr@golang.org>
Date: Tue, 31 Aug 2021 14:53:53 -0700
Subject: [PATCH] cmd/compile: assign results of transformAssign back to source
 location

Otherwise the modifications of transformAssign are dropped on the floor.

Change-Id: Id40782564952ed53f9ade1dba4e85290c8522abc
Reviewed-on: https://go-review.googlesource.com/c/go/+/346590
Trust: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
---
 src/cmd/compile/internal/noder/stencil.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cmd/compile/internal/noder/stencil.go b/src/cmd/compile/internal/noder/stencil.go
index 1717317925..7ba266a150 100644
--- a/src/cmd/compile/internal/noder/stencil.go
+++ b/src/cmd/compile/internal/noder/stencil.go
@@ -966,6 +966,7 @@ func (subst *subster) node(n ir.Node) ir.Node {
 					// of zeroing assignment of a dcl (rhs[0] is nil).
 					lhs, rhs := []ir.Node{as.X}, []ir.Node{as.Y}
 					transformAssign(as, lhs, rhs)
+					as.X, as.Y = lhs[0], rhs[0]
 				}
 
 			case ir.OASOP: