// generate a Log. The category and message are entirely user-created,
		// so we can't make any assumptions as to what they are. We also
		// can't validate the task, because proving the task's existence is very
		// much best-effort.
		_ = ev.Log()
	}
	return e.Errors()
}

func (v *Validator) hasRange(r trace.ResourceID, name string) bool {
	ranges, ok := v.ranges[r]
	return ok && slices.Contains(ranges, name)
}

// The runtime.Error that the runtime panics with may have an additional method:
//
//	Addr() uintptr
//
// If that method exists, it returns the memory address which triggered the fault.
// The results of Addr are best-effort and the veracity of the result
// may depend on the platform.
// SetPanicOnFault applies only to the current goroutine.
// It returns the previous setting.
func SetPanicOnFault(enabled bool) bool {

				// build IDs of completed actions.
				oldBuildID := a.buildID
				a.buildID = id[1] + buildIDSeparator + id[2]
				linkID := buildid.HashToString(b.linkActionID(a.triggers[0]))
				if id[0] == linkID {
					// Best effort attempt to display output from the compile and link steps.
					// If it doesn't work, it doesn't work: reusing the cached binary is more
					// important than reprinting diagnostic information.
					if printOutput {

		return err
	}
	// The module cache has unwritable directories by default.
	// Restore the user write bit in the directory so we can create
	// the new go.mod file. We clear it again at the end on a
	// best-effort basis (ignoring failures).
	dir := filepath.Dir(old)
	info, err := os.Stat(dir)
	if err != nil {
		return err
	}
	if err := os.Chmod(dir, info.Mode()|writeBits); err != nil {
		return err
	}

	f, err := c.osInterface.OpenFile(tmpLog, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
	if err != nil {
		return fmt.Errorf("failed to create temporary log %q: %v", tmpLog, err)
	}
	defer func() {
		// Best effort cleanup of tmpLog.
		c.osInterface.Remove(tmpLog)
	}()
	defer f.Close()
	w := gzip.NewWriter(f)
	defer w.Close()
	if _, err := io.Copy(w, r); err != nil {

		// there's an active race. Once the CAS succeeds, we
		// should queue up the preemption (which will require
		// it to be reliable in the _Grunning case, not
		// best-effort) and then sleep until we're notified
		// that the goroutine is suspended.
		if i == 0 {
			nextYield = nanotime() + yieldDelay
		}
		if nanotime() < nextYield {
			procyield(10)
		} else {
			osyield()

	buf.Write(w.suffix[:w.suffixOff])
	return buf.Bytes()
}

// environ returns a best-effort copy of the environment in which the command
// would be run as it is currently configured. If an error occurs in computing
// the environment, it is returned alongside the best-effort copy.
func (c *Cmd) environ() ([]string, error) {
	var err error

	env := c.Env
	if env == nil {

            obvious way to ensure that.

            We could consider arranging things so that only the tests we know need this would get
            the add-opens. Right now that doesn't seem worth the effort, though.
        -->
        <test.add.opens>
          --add-opens java.base/java.lang=ALL-UNNAMED
          --add-opens java.base/java.util=ALL-UNNAMED
          --add-opens java.base/sun.security.jca=ALL-UNNAMED

            obvious way to ensure that.

            We could consider arranging things so that only the tests we know need this would get
            the add-opens. Right now that doesn't seem worth the effort, though.
        -->
        <test.add.opens>
          --add-opens java.base/java.lang=ALL-UNNAMED
          --add-opens java.base/java.util=ALL-UNNAMED
          --add-opens java.base/sun.security.jca=ALL-UNNAMED

                   "@tf.function(jit_compile=True) for must-compile "
                   "semantics, or run with TF_XLA_FLAGS=--tf_xla_auto_jit=2 "
                   "for auto-clustering best-effort compilation.";
    });
  }
}

void XlaDevice::Compute(OpKernel* op_kernel, OpKernelContext* context) {
  VLOG(2) << "XlaDevice::Compute " << op_kernel->name() << ":"
          << op_kernel->type_string();