dart-sdk/tests/language/optimize/critical_edge2_test.dart
Robert Nystrom c959c9aba7 Migrate language_2/optimize to NNBD.
Change-Id: I3f67dd79ff2ee745cc2ea161ce7150630e805c97
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150186
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
2020-06-06 01:42:35 +00:00

39 lines
799 B
Dart

// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// This test broke dart2js.
// A compiler must not construct a critical edge on this program.
//
// See critical_edge_test.dart for a description of the problem.
import "package:expect/expect.dart";
String parse(String uri) {
int index = 0;
int char = -1;
void parseAuth() {
index;
char;
}
while (index < 1000) {
char = uri.codeUnitAt(index);
if (char == 1234) {
break;
}
if (char == 0x3A) {
return "good";
}
index++;
}
print(char);
return "bad";
}
main() {
Expect.equals("good", parse("dart:_foreign_helper"));
}