cmd/internal/objabi: use strings.Builder

Since when go1.17 is now used for bootstraping.

Change-Id: I5ee65aff72500a04e243238cffeae92ea659627b
Reviewed-on: https://go-review.googlesource.com/c/go/+/427555
Auto-Submit: Keith Randall <khr@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: hopehook <hopehook@golangcn.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>

diff --git a/src/cmd/internal/objabi/flag.go b/src/cmd/internal/objabi/flag.go
index acb2dd59eaf6849b5760222656aeed476f806408..747207965e49474abe7ad0c28b86f568055aa730 100644 (file)
--- a/src/cmd/internal/objabi/flag.go
+++ b/src/cmd/internal/objabi/flag.go
@@ -5,7 +5,6 @@
 package objabi
 
 import (
-       "bytes"
        "flag"
        "fmt"
        "internal/buildcfg"
@@ -179,8 +178,7 @@ func DecodeArg(arg string) string {
                return arg
        }
 
-       // We can't use strings.Builder as this must work at bootstrap.
-       var b bytes.Buffer
+       var b strings.Builder
        var wasBS bool
        for _, r := range arg {
                if wasBS {