}

    llvm::SmallVector<mlir::Location, 4> locations;

    if (stack_trace != nullptr) {
      DVLOG(1) << "Stack available for " << node.name();
      for (const StackFrame& frame : stack_trace->ToFrames()) {
        auto file_name = mlir::StringAttr::get(context_, frame.file_name);
        // Use col 1 as there is no column info in StackTrace.
        auto file_line_loc =

		"test.TestCallbackCallers",
		"testing.tRunner",
		"runtime.goexit",
	}
	nestedCall(func() {
		n = runtime.Callers(4, pc)
	})
	if n != len(name) {
		t.Errorf("expected %d frames, got %d", len(name), n)
	}
	for i := 0; i < n; i++ {
		f := runtime.FuncForPC(pc[i] - 1) // TODO: use runtime.CallersFrames
		if f == nil {
			t.Fatalf("expected non-nil Func for pc %d", pc[i])
		}

last she spread out her hand again, and made another snatch in
the air.  This time there were TWO little shrieks, and more
sounds of broken glass.  `What a number of cucumber-frames there
must be!' thought Alice.  `I wonder what they'll do next!  As for
pulling me out of the window, I only wish they COULD!  I'm sure I
don't want to stay in here any longer!'

last she spread out her hand again, and made another snatch in
the air.  This time there were TWO little shrieks, and more
sounds of broken glass.  `What a number of cucumber-frames there
must be!' thought Alice.  `I wonder what they'll do next!  As for
pulling me out of the window, I only wish they COULD!  I'm sure I
don't want to stay in here any longer!'