cmd/go: comment indicating module is an indirect dependency is not removed when the comment has no whitespace #45932
Description
What version of Go are you using (go version)?
go version go1.16 darwin/amd64
Does this issue reproduce with the latest release?
yes
gotip version
go version devel go1.17-9f347035 Mon May 3 19:14:16 2021 +0000 darwin/amd64
What operating system and processor architecture are you using (go env)?
go env Output
GO111MODULE="" GOARCH="amd64" GOBIN="" GOCACHE="/Users/me/Library/Caches/go-build" GOENV="/Users/me/Library/Application Support/go/env" GOEXE="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="darwin" GOINSECURE="" GOMODCACHE="/Users/me/go/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="darwin" GOPATH="/Users/me/go" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64" GOVCS="" GOVERSION="go1.16" GCCGO="gccgo" AR="ar" CC="clang" CXX="clang++" CGO_ENABLED="1" GOMOD="/Users/me/mystuff/ote/go.mod" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/gc/sfs6hvtd1r392kn91n3jp17m0000gn/T/go-build210366927=/tmp/go-build -gno-record-gcc-switches -fno-common"
What did you do?
rm -rf /tmp/example; mkdir -p /tmp/example; cd /tmp/example
tee -a go.mod <<EOF
module example
go 1.16
require github.com/pkg/errors v0.9.1 //indirect
EOF
tee -a main.go <<EOF
package main
import "github.com/pkg/errors"
func main(){errors.New("hi")}
EOF
go mod tidyWhat did you expect to see?
- The
//indirectcomment should be removed from the require stanza
What did you see instead?
- The
//indirectcomment is replaced with a//ctcomment