runtime: apply comments from CL 3742
I asked for this in CL 3742 and it was ignored.
Change-Id: I30ad05f87c7d9eccb11df7e19288e3ed2c7e2e3f
Reviewed-on: https://go-review.googlesource.com/6930
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
diff --git a/src/runtime/panic.go b/src/runtime/panic.go
index 9507384..9b937f5 100644
--- a/src/runtime/panic.go
+++ b/src/runtime/panic.go
@@ -176,10 +176,10 @@
}
unlock(&sched.deferlock)
}
- if ln := len(pp.deferpool[sc]); ln > 0 {
- d = pp.deferpool[sc][ln-1]
- pp.deferpool[sc][ln-1] = nil
- pp.deferpool[sc] = pp.deferpool[sc][:ln-1]
+ if n := len(pp.deferpool[sc]); n > 0 {
+ d = pp.deferpool[sc][n-1]
+ pp.deferpool[sc][n-1] = nil
+ pp.deferpool[sc] = pp.deferpool[sc][:n-1]
}
}
if d == nil {
@@ -228,10 +228,10 @@
// Transfer half of local cache to the central cache.
var first, last *_defer
for len(pp.deferpool[sc]) > cap(pp.deferpool[sc])/2 {
- ln := len(pp.deferpool[sc])
- d := pp.deferpool[sc][ln-1]
- pp.deferpool[sc][ln-1] = nil
- pp.deferpool[sc] = pp.deferpool[sc][:ln-1]
+ n := len(pp.deferpool[sc])
+ d := pp.deferpool[sc][n-1]
+ pp.deferpool[sc][n-1] = nil
+ pp.deferpool[sc] = pp.deferpool[sc][:n-1]
if first == nil {
first = d
} else {
