From: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Date: Sat, 7 Nov 2020 05:03:36 +0000 (+0700)
Subject: cmd/link: fix invalid usage of reflect.SliceHeader
X-Git-Tag: go1.16beta1~296
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=2c80de74d57de74cc50ba7195392cada4e9c3ea2;p=gostls13.git

cmd/link: fix invalid usage of reflect.SliceHeader

Caught by "go vet" built with golang.org/cl/248192.

Change-Id: I446083533dd82ecef8db591beb7bd3d70b040d4a
Reviewed-on: https://go-review.googlesource.com/c/go/+/268099
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
---

diff --git a/src/cmd/link/internal/ld/outbuf_windows.go b/src/cmd/link/internal/ld/outbuf_windows.go
index 60dc1ab92d..915c72bef3 100644
--- a/src/cmd/link/internal/ld/outbuf_windows.go
+++ b/src/cmd/link/internal/ld/outbuf_windows.go
@@ -35,7 +35,10 @@ func (out *OutBuf) Mmap(filesize uint64) error {
 	if err != nil {
 		return err
 	}
-	*(*reflect.SliceHeader)(unsafe.Pointer(&out.buf)) = reflect.SliceHeader{Data: ptr, Len: int(filesize), Cap: int(filesize)}
+	bufHdr := (*reflect.SliceHeader)(unsafe.Pointer(&out.buf))
+	bufHdr.Data = ptr
+	bufHdr.Len = int(filesize)
+	bufHdr.Cap = int(filesize)
 
 	// copy heap to new mapping
 	if uint64(oldlen+len(out.heap)) > filesize {