tree f4dbde07ad8c27767b61ae96eb6d38acf8c10976
parent d70a33a40bd2bab2f8cd6ab714c4664ce55dc499
author Cherry Zhang <cherryyz@google.com> 1605319706 -0500
committer Cherry Zhang <cherryyz@google.com> 1605547606 +0000

runtime: declare arg size/map for race version of sync/atomic functions

The argument size and map are used in stack scanning if those
functions are deferred. Declare the right argument size and map
so they can be scanned correctly.

Fixes #42599.

Change-Id: I74f9409d574cf7c383f4d8f83e38521026b48861
Reviewed-on: https://go-review.googlesource.com/c/go/+/270079
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>