time.Sleep(time.Millisecond)
				continue
			}

			t.Error(err)
			return
		}
		cmds = append(cmds, cmd)
	}

	failures := 0
	for _, cmd := range cmds {
		err := cmd.Wait()
		if err == nil {
			continue
		}

		t.Errorf("syscall.Exec failed: %v\n%s", err, cmd.Stdout)
		failures++
	}

	if failures > 0 {
		t.Logf("Failed %v of %v attempts.", failures, len(cmds))

		{"net/http/internal/bar", false},
		{"internal/foo", false},
		{"internal", false},
	}
	for _, tt := range tests {
		got := !internalPkg.MatchString(tt.pkg)
		if got != tt.want {
			t.Errorf("%s is internal = %v; want %v", tt.pkg, got, tt.want)
		}
	}
}

func BenchmarkAll(b *testing.B) {
	for i := 0; i < b.N; i++ {
		for _, context := range contexts {

linkage to the desired libraries. The main function is provided by
_cgo_main.c:

	int main() { return 0; }
	void crosscall2(void(*fn)(void*), void *a, int c, uintptr_t ctxt) { }
	uintptr_t _cgo_wait_runtime_init_done(void) { return 0; }
	void _cgo_release_context(uintptr_t ctxt) { }
	char* _cgo_topofstack(void) { return (char*)0; }
	void _cgo_allocate(void *a, int c) { }
	void _cgo_panic(void *a, int c) { }

immediately, yielding the element type's <a href="#The_zero_value">zero value</a>
after any previously sent values have been received.
</p>

<pre>
v1 := &lt;-ch
v2 = &lt;-ch
f(&lt;-ch)
&lt;-strobe  // wait until clock pulse and discard received value
</pre>

<p>
A receive expression used in an <a href="#Assignments">assignment</a> or initialization of the special form
</p>

<pre>
x, ok = &lt;-ch

pkg syscall (netbsd-arm64-cgo), const SYS__LWP_UNPARK_ALL ideal-int
pkg syscall (netbsd-arm64-cgo), const SYS__LWP_UNPARK ideal-int
pkg syscall (netbsd-arm64-cgo), const SYS__LWP_WAIT = 312
pkg syscall (netbsd-arm64-cgo), const SYS__LWP_WAIT ideal-int
pkg syscall (netbsd-arm64-cgo), const SYS__LWP_WAKEUP = 315
pkg syscall (netbsd-arm64-cgo), const SYS__LWP_WAKEUP ideal-int
pkg syscall (netbsd-arm64-cgo), const SYS_MADVISE = 75

				throw new Error("total length of command line and environment variables exceeds limit");
			}

			this._inst.exports.run(argc, argv);
			if (this.exited) {
				this._resolveExitPromise();
			}
			await this._exitPromise;
		}

		_resume() {
			if (this.exited) {
				throw new Error("Go program has already exited");
			}
			this._inst.exports.resume();
			if (this.exited) {

pkg syscall (openbsd-386), const SYS_UTIMES = 76
pkg syscall (openbsd-386), const SYS_UTRACE = 209
pkg syscall (openbsd-386), const SYS_UTRACE ideal-int
pkg syscall (openbsd-386), const SYS_WAIT4 = 11
pkg syscall (openbsd-386), const SYS___THRSLEEP = 94
pkg syscall (openbsd-386), const SizeofIfData = 212
pkg syscall (openbsd-386), const SizeofIfMsghdr = 236
pkg syscall (openbsd-386), const SizeofRtMetrics = 56

	//TODO: FUCOMIP F3, F0                  // dfeb
	//TODO: FUCOMP F2                       // ddea
	//TODO: FUCOMP F3                       // ddeb
	//TODO: FUCOMPP                         // dae9
	//TODO: FWAIT                           // 9b
	FXAM                                    // d9e5
	//TODO: FXCH F2                         // d9ca
	//TODO: FXCH F3                         // d9cb

		t.Errorf("Read failed: read %d %v", n, err)
	}
	if got, want := r.Len(), 1; got != want {
		t.Errorf("r.Len(): got %d, want %d", got, want)
	}
	if n, err := r.Read(make([]byte, 1)); err != nil || n != 1 {
		t.Errorf("Read failed: read %d %v; want 1, nil", n, err)
	}
	if got, want := r.Len(), 0; got != want {
		t.Errorf("r.Len(): got %d, want %d", got, want)
	}
}

var UnreadRuneErrorTests = []struct {

			log.Printf(" url %s has #%s", url, id)
		}
		fragExists[urlFrag{url, id}] = true
	}
	return nil
}

func main() {
	flag.Parse()

	go crawlLoop()
	crawl(*root, "")

	wg.Wait()
	close(urlq)
	for uf, needers := range neededFrags {
		if !fragExists[uf] {
			problems = append(problems, fmt.Sprintf("Missing fragment for %+v from %v", uf, needers))
		}
	}