From 9abcc487f8b04db8fd46eaa429a7eef5a5228241 Mon Sep 17 00:00:00 2001
From: Zamicol <zamicol@gmail.com>
Date: Fri, 14 Oct 2022 03:10:28 +0000
Subject: [PATCH] flag: remove "// BUG" comment

Remove a vestigial " // BUG" comment as there is no bug in the relevant code section and comment predated other changes.  Also removed a needless allocation and conformed to the "v, ok := a[x]" standard convention.  Tests are passing.

Change-Id: Id28ad1baf77447052b54b341f018e573bac0c11a
GitHub-Last-Rev: 26084698bfc0972d7e0fec0de4f31cc87e3a5f7a
GitHub-Pull-Request: golang/go#56210
Reviewed-on: https://go-review.googlesource.com/c/go/+/442815
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rob Pike <r@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
---
 src/flag/flag.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/flag/flag.go b/src/flag/flag.go
index f6b38908f6..ef3cf29c0c 100644
--- a/src/flag/flag.go
+++ b/src/flag/flag.go
@@ -1056,9 +1056,9 @@ func (f *FlagSet) parseOne() (bool, error) {
 			break
 		}
 	}
-	m := f.formal
-	flag, alreadythere := m[name] // BUG
-	if !alreadythere {
+
+	flag, ok := f.formal[name]
+	if !ok {
 		if name == "help" || name == "h" { // special case for nice help message.
 			f.usage()
 			return false, ErrHelp
-- 
2.50.0