if sw.NeedSwitch() {
			sw.Switch(ctx)
			// If NeedSwitch is true and Switch returns, Switch has failed to locate a newer toolchain.
			// It printed the errors along with one more about not finding a good toolchain.
			base.Exit()
		}

		for _, q := range queries {
			unresolved := q.candidates[:0]

			for _, cs := range q.candidates {
				if cs.err != nil {
					reportError(q, cs.err)

//
// Important: locatePrologEnd is expected to work properly only with
// optimization turned off (e.g. "-N"). If optimization is enabled
// we can't be assured of finding all input arguments spilled in the
// entry block prolog.
func locatePrologEnd(f *Func, needCloCtx bool) (ID, *Value) {

	// returns true if this instruction looks like it moves an ABI

	}
	return zeroDialer.DialContext(ctx, network, addr)
}

// A wantConn records state about a wanted connection
// (that is, an active call to getConn).
// The conn may be gotten by dialing or by finding an idle connection,
// or a cancellation may make the conn no longer wanted.
// These three options are racing against each other and use
// wantConn to coordinate and agree about the winning outcome.