f.Toolchain = nil
	}
}

// AddGodebug sets the first godebug line for key to value,
// preserving any existing comments for that line and removing all
// other godebug lines for key.
//
// If no line currently exists for key, AddGodebug adds a new line
// at the end of the last godebug block.
func (f *WorkFile) AddGodebug(key, value string) error {
	need := true
	for _, g := range f.Godebug {

	key, value, ok := strings.Cut(arg, "=")
	if !ok || strings.ContainsAny(arg, "\"`',") {
		base.Fatalf("go: -godebug=%s: need key=value", arg)
	}
	workedits = append(workedits, func(f *modfile.WorkFile) {
		if err := f.AddGodebug(key, value); err != nil {
			base.Fatalf("go: -godebug=%s: %v", arg, err)
		}
	})
}

// flagEditworkDropGodebug implements the -dropgodebug flag.
func flagEditworkDropGodebug(arg string) {

	}
	return nil
}

// AddGodebug sets the first godebug line for key to value,
// preserving any existing comments for that line and removing all
// other godebug lines for key.
//
// If no line currently exists for key, AddGodebug adds a new line
// at the end of the last godebug block.
func (f *File) AddGodebug(key, value string) error {
	need := true
	for _, g := range f.Godebug {

	key, value, ok := strings.Cut(arg, "=")
	if !ok || strings.ContainsAny(arg, "\"`',") {
		base.Fatalf("go: -godebug=%s: need key=value", arg)
	}
	edits = append(edits, func(f *modfile.File) {
		if err := f.AddGodebug(key, value); err != nil {
			base.Fatalf("go: -godebug=%s: %v", arg, err)
		}
	})
}

// flagDropGodebug implements the -dropgodebug flag.
func flagDropGodebug(arg string) {