// is tricky because we'd have to run updateExprType on the argument first.
// (go.dev/issue/21982.)

// convertibleTo reports whether T(x) is valid. In the failure case, *cause
// may be set to the cause for the failure.
// The check parameter may be nil if convertibleTo is invoked through an
// exported API call, i.e., when all methods have been type-checked.

		return nil
	}
	return errors.New(strings.TrimRight(buf.String(), "\n"))
}

func TestMonoGood(t *testing.T) {
	for i, good := range goods {
		if err := checkMono(t, good); err != nil {
			t.Errorf("%d: unexpected failure: %v", i, err)
		}
	}
}

func TestMonoBad(t *testing.T) {
	for i, bad := range bads {
		if err := checkMono(t, bad); err == nil {
			t.Errorf("%d: unexpected success", i)
		} else {
			t.Log(err)
		}

	pluginsMu.Lock()
	if p := plugins[filepath]; p != nil {
		pluginsMu.Unlock()
		if p.err != "" {
			return nil, errors.New(`plugin.Open("` + name + `"): ` + p.err + ` (previous failure)`)
		}
		<-p.loaded
		return p, nil
	}
	var cErr *C.char
	h := C.pluginOpen((*C.char)(unsafe.Pointer(&cPath[0])), &cErr)
	if h == 0 {
		pluginsMu.Unlock()

					leaf = line.Function.Name
				}
			}
			// runtime.sigprof synthesizes call stacks when "normal traceback is
			// impossible or has failed", using particular placeholder functions
			// to represent common failure cases. Look for those functions in
			// the leaf position as a sign that the call stack and its
			// symbolization are more complex than this test can handle.
			//

// the manuals for the appropriate operating system.
// These calls return err == nil to indicate success; otherwise
// err is an operating system error describing the failure.
// On most systems, that error has type [Errno].
//
// NOTE: Most of the functions, types, and constants defined in
// this package are also available in the [golang.org/x/sys] package.

// license that can be found in the LICENSE file.

//go:build unix

// When cross-compiling with clang to linux/armv5, atomics are emulated
// and cause a compiler warning. This results in a build failure since
// cgo uses -Werror. See #65290.
#pragma GCC diagnostic ignored "-Wpragmas"
#pragma GCC diagnostic ignored "-Wunknown-warning-option"
#pragma GCC diagnostic ignored "-Watomic-alignment"

#include <pthread.h>

// as it's never used on AIX
// TODO: remove r2 from zsyscall_aix_$GOARCH.go

// Syscall is needed because some packages (like net) need it too.
// The best way is to return EINVAL and let Golang handles its failure
// If the syscall can't fail, this function can redirect it to a real syscall.
//
// This is exported via linkname to assembly in the syscall package.
//
//go:nosplit
//go:linkname syscall_Syscall

// recovered is the result of invoking recover after running the test, in case it panicked.
//
// If stdout doesn't match the expected output or if recovered is non-nil, it'll print the cause of failure to stdout.
// If the test is chatty/verbose, it'll print a success message to stdout.
// If recovered is non-nil, it'll panic with that value.
// If the test panicked with nil, or invoked runtime.Goexit, it'll be

				t.Fatalf("setenv %q failed: %v", certDirEnv, err)
			}

			certFiles, certDirectories = tc.files, tc.dirs

			r, err := loadSystemRoots()
			if err != nil {
				t.Fatal("unexpected failure:", err)
			}

			if r == nil {
				t.Fatal("nil roots")
			}

			// Verify that the returned certs match, otherwise report where the mismatch is.
			for i, cn := range tc.cns {
				if i >= r.len() {

//
// When a benchmark runs, it typically produces a single line of output
// giving timing results. That line is reported in an event with Action == "output"
// and no Test field. If a benchmark logs output or reports a failure
// (for example, by using b.Log or b.Error), that extra output is reported
// as a sequence of events with Test set to the benchmark name, terminated
// by a final event with Action == "bench" or "fail".