From: Aaron Jacobs <jacobsa@google.com>
Date: Mon, 19 Oct 2015 09:52:55 +0000 (+1100)
Subject: runtime: remove a redundant nil pointer check.
X-Git-Tag: go1.6beta1~810
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=5d88323fa6c2c39891bf59d8674c338b0ed3902e;p=gostls13.git

runtime: remove a redundant nil pointer check.

It appears this was made possible by commit 89f185f; before that, g was
not dereferenced above.

Change-Id: I70bc571d924b36351392fd4c13d681e938cfb573
Reviewed-on: https://go-review.googlesource.com/16033
Reviewed-by: Andrew Gerrand <adg@golang.org>
---

diff --git a/src/runtime/panic.go b/src/runtime/panic.go
index 24431c86dc..f603d109b2 100644
--- a/src/runtime/panic.go
+++ b/src/runtime/panic.go
@@ -568,9 +568,7 @@ func startpanic_m() {
 	switch _g_.m.dying {
 	case 0:
 		_g_.m.dying = 1
-		if _g_ != nil {
-			_g_.writebuf = nil
-		}
+		_g_.writebuf = nil
 		xadd(&panicking, 1)
 		lock(&paniclk)
 		if debug.schedtrace > 0 || debug.scheddetail > 0 {