flag and otherwise keep the signal handler. If Notify is called for an
asynchronous signal, a Go signal handler will be installed for that
signal. If, later, Reset is called for that signal, the original
handling for that signal will be reinstalled, restoring the non-Go
signal handler if any.

Go code built without -buildmode=c-archive or -buildmode=c-shared will

//
//	-run=""
//		if non-empty, specifies a regular expression to select
//		directives whose full original source text (excluding
//		any trailing spaces and final newline) matches the
//		expression.
//
//	-skip=""
//		if non-empty, specifies a regular expression to suppress
//		directives whose full original source text (excluding
//		any trailing spaces and final newline) matches the

		}

	case *Named:
		// Two named types unify if their type names originate in the same type declaration.
		// If they are instantiated, their type argument lists must unify.
		if y := asNamed(y); y != nil {
			// Check type arguments before origins so they unify
			// even if the origins don't match; for better error
			// messages (see go.dev/issue/53692).
			xargs := x.TypeArgs().list()

	// But there might be an x.go in the original dir too, and if it
	// uses cgo as well, cgo will be processing both and will
	// translate both into x.cgo1.go in the objdir, overwriting one.
	// Rename x.go to _x_swig.go to avoid this problem.
	// We ignore files in the original dir that begin with underscore
	// so _x_swig.go cannot conflict with an original file we were
	// going to compile.
	goFile = objdir + goFile

		// Below we set z.neg = x.neg, and when z aliases y this will
		// change the y operand's sign. This is fine, because if an
		// operand aliases the receiver it'll be overwritten, but we still
		// want the original x.neg and y.neg values when we evaluate
		// x.neg != y.neg, so we need to save y.neg before setting z.neg.
		yneg := y.neg

		z.neg = x.neg
		if x.neg == yneg {
			// x + y == x + y

	// If the Body is nil (or http.NoBody), it's safe to reuse
	// this request and its Body.
	if req.Body == nil || req.Body == NoBody {
		return req, nil
	}

	// If the request body can be reset back to its original
	// state via the optional req.GetBody, do that.
	if req.GetBody != nil {
		body, err := req.GetBody()
		if err != nil {
			return nil, err
		}
		newReq := *req
		newReq.Body = body

	}
	oe, ok := uerr.Err.(*net.OpError)
	if !ok {
		t.Fatalf("url.Error.Err =  %T; want *net.OpError", uerr.Err)
	}
	want := &net.OpError{
		Op:  "proxyconnect",
		Net: "tcp",
		Err: errDial, // original error, unwrapped.
	}
	if !reflect.DeepEqual(oe, want) {
		t.Errorf("Got error %#v; want %#v", oe, want)
	}
}

// Issue 36431: calls to RoundTrip should not mutate t.ProxyConnectHeader.
//

		}))
		defer proxy.close()

		req, _ := NewRequest("POST", proxy.ts.URL, io.LimitReader(neverEnding('a'), bodySize))
		res, err := proxy.c.Do(req)
		if err != nil {
			return fmt.Errorf("original request: %v", err)
		}
		res.Body.Close()
		return nil
	})
}

// Test that a hanging Request.Body.Read from another goroutine can't
// cause the Handler goroutine's Request.Body.Close to block.

// The output of String may vary across Go releases.
func (c *Cmd) String() string {
	if c.Err != nil || c.lookPathErr != nil {
		// failed to resolve path; report the original requested path (plus args)
		return strings.Join(c.Args, " ")
	}
	// report the exact executable path (plus args)
	b := new(strings.Builder)
	b.WriteString(c.Path)
	for _, a := range c.Args[1:] {

				b.Likely = ssa.BranchLikely

				// We have atomic instructions - use it directly.
				s.startBlock(bTrue)
				emit(s, n, args, op1, typ)
				s.endBlock().AddEdgeTo(bEnd)

				// Use original instruction sequence.
				s.startBlock(bFalse)
				emit(s, n, args, op0, typ)
				s.endBlock().AddEdgeTo(bEnd)

				// Merge results.
				s.startBlock(bEnd)
			}
			if typ == types.TNIL {