cmd/compile/internal/pkginit: use strings.Builder

Change-Id: If675277e17b97500100e46ec6fe471260131bafc
Reviewed-on: https://go-review.googlesource.com/c/go/+/428358
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>

diff --git a/src/cmd/compile/internal/pkginit/initorder.go b/src/cmd/compile/internal/pkginit/initorder.go
index a50975343fbced39fdd911c769575e0ceff8edb1..6290a8f314b7a34c40a82683bd925b6d461e2f31 100644 (file)
--- a/src/cmd/compile/internal/pkginit/initorder.go
+++ b/src/cmd/compile/internal/pkginit/initorder.go
@@ -5,9 +5,9 @@
 package pkginit
 
 import (
-       "bytes"
        "container/heap"
        "fmt"
+       "strings"
 
        "cmd/compile/internal/base"
        "cmd/compile/internal/ir"
@@ -236,7 +236,7 @@ func reportInitLoopAndExit(l []*ir.Name) {
        // TODO(mdempsky): Method values are printed as "T.m-fm"
        // rather than "T.m". Figure out how to avoid that.
 
-       var msg bytes.Buffer
+       var msg strings.Builder
        fmt.Fprintf(&msg, "initialization loop:\n")
        for _, n := range l {
                fmt.Fprintf(&msg, "\t%v: %v refers to\n", ir.Line(n), n)