From: Iskander Sharipov <iskander.sharipov@intel.com>
Date: Wed, 11 Jul 2018 20:34:18 +0000 (+0300)
Subject: runtime: simplify slice expression to sliced value itself
X-Git-Tag: go1.12beta1~1322
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=fa6639d62664ecd710b112eb1c1e759104c9193c;p=gostls13.git

runtime: simplify slice expression to sliced value itself

Replace `x[:]` where x is a slice with just `x`.

Found using https://go-critic.github.io/overview.html#unslice-ref

Change-Id: Ib0ee16e1d49b2a875b6b92a770049acc33208362
Reviewed-on: https://go-review.googlesource.com/123375
Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
---

diff --git a/src/runtime/trace.go b/src/runtime/trace.go
index 61f7513ee0..22d8d026dc 100644
--- a/src/runtime/trace.go
+++ b/src/runtime/trace.go
@@ -584,10 +584,10 @@ func traceStackID(mp *m, buf []uintptr, skip int) uint64 {
 	gp := mp.curg
 	var nstk int
 	if gp == _g_ {
-		nstk = callers(skip+1, buf[:])
+		nstk = callers(skip+1, buf)
 	} else if gp != nil {
 		gp = mp.curg
-		nstk = gcallers(gp, skip, buf[:])
+		nstk = gcallers(gp, skip, buf)
 	}
 	if nstk > 0 {
 		nstk-- // skip runtime.goexit