func maybeToolchainVersion(name string) string {
	if IsValid(name) {
		return name
	}
	return FromToolchain(name)
}

// ToolchainMax returns the maximum of x and y interpreted as toolchain names,
// compared using Compare(FromToolchain(x), FromToolchain(y)).
// If x and y compare equal, Max returns x.
func ToolchainMax(x, y string) string {
	if Compare(FromToolchain(x), FromToolchain(y)) < 0 {
		return y
	}
	return x
}

	toolchain := "go" + old
	if wf.Toolchain != nil {
		toolchain = wf.Toolchain.Name
	}
	if gover.IsLang(gover.Local()) {
		toolchain = gover.ToolchainMax(toolchain, "go"+goVers)
	} else {
		toolchain = gover.ToolchainMax(toolchain, "go"+gover.Local())
	}

	// Drop the toolchain line if it is implied by the go line
	// or if it is asking for a toolchain older than Go 1.21,