Remove support for Javascript warnings in the VM.

tests/standalone/javascript_compatibility_errors_test.dart

Index: tests/standalone/javascript_compatibility_errors_test.dart
diff --git a/tests/standalone/javascript_compatibility_errors_test.dart b/tests/standalone/javascript_compatibility_errors_test.dart
deleted file mode 100644
index 6404a2ef4b6f13766522665aa20195df16c44722..0000000000000000000000000000000000000000
--- a/tests/standalone/javascript_compatibility_errors_test.dart
+++ /dev/null
@@ -1,183 +0,0 @@
-// 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.
-
-// VMOptions=--warn_on_javascript_compatibility --warning_as_error --optimization_counter_threshold=5
-
-import "package:expect/expect.dart";
-
-f(x, y) {
-  // Unoptimized and optimized code.
-  1 is double;  /// 00: ok
-  if (1 is double) { x++; }  /// 01: ok
-  try { 1 as double; } on CastError catch (e) { }  /// 02: ok
-  try { var y = 1 as double; } on CastError catch (e) { }  /// 03: ok
-  1.0 is int;  /// 04: ok
-  if (1.0 is int) { x++; }  /// 05: ok
-  try { 1.0 as int; } on CastError catch (e) { }  /// 06: ok
-  try { var z = 1.0 as int; } on CastError catch (e) { }  /// 07: ok
-
-  x is double;  /// 10: ok
-  if (x is double) { }  /// 11: ok
-  try { x as double; } on CastError catch (e) { }  /// 12: ok
-  try { var z = x as double; } on CastError catch (e) { }  /// 13: ok
-  y is int;  /// 14: ok
-  if (y is int) { }  /// 15: ok
-  try { y as int; } on CastError catch (e) { }  /// 16: ok
-  try { var z = y as int; } on CastError catch (e) { }  /// 17: ok
-
-  // It is a compile-time error if evaluation of a constant object results in
-  // an uncaught exception being thrown, a JavascriptCompatibilityError here.
-  "${1.0}";  /// 20: compile-time error
-  var z = "${1.0}";  /// 21: compile-time error
-
-  (1.0).toString();  /// 22: ok
-  var z = (1.0).toString();  /// 23: ok
-  "$y";  /// 24: ok
-  var z = "$y";  /// 25: ok
-  y.toString();  /// 26: ok
-  var z = y.toString();  /// 27: ok
-
-  var a = "yz";
-  var b = "xyz";
-  b = b.substring(1);
-  if (identical(a, b)) { }  /// 28: ok
-
-  if (identical(x, y)) { }  /// 29: ok
-  if (identical(y, x)) { }  /// 30: ok
-
-  if (x > 10) {
-    // Optimized code.
-    x is double;  /// 40: ok
-    if (x is double) { }  /// 41: ok
-    try { x as double; } on CastError catch (e) { }  /// 42: ok
-    try { var z = x as double; } on CastError catch (e) { }  /// 43: ok
-    y is int;  /// 44: ok
-    if (y is int) { }  /// 45: ok
-    try { y as int; } on CastError catch (e) { }  /// 46: ok
-    try { var z = y as int; } on CastError catch (e) { }  /// 47: ok
-
-    "${1.0}";  /// 50: compile-time error
-    var z = "${1.0}";  /// 51: compile-time error
-
-    (1.0).toString();  /// 52: ok
-    var z = (1.0).toString();  /// 53: ok
-    "$y";  /// 54: ok
-    var z = "$y";  /// 55: ok
-    y.toString();  /// 56: ok
-    var z = y.toString();  /// 57: ok
-
-    var a = "yz";
-    var b = "xyz";
-    b = b.substring(1);
-    if (identical(a, b)) { }  /// 58: ok
-
-    if (identical(x, y)) { }  /// 59: ok
-    if (identical(y, x)) { }  /// 60: ok
-  }
-}
-
-k(x, y) {
-  // Unoptimized and optimized code.
-  1.5 is double;
-  if (1.5 is double) { x++; }
-  try { 1.5 as double; } on CastError catch (e) { }
-  try { var y = 1.5 as double; } on CastError catch (e) { }
-  1.5 is int;
-  if (1.5 is int) { x++; }
-  try { 1.5 as int; } on CastError catch (e) { }
-  try { var z = 1.5 as int; } on CastError catch (e) { }
-
-  1.5 is double;
-  if (1.5 is double) { x++; }
-  try { 1.5 as double; } on CastError catch (e) { }
-  try { var y = 1.5 as double; } on CastError catch (e) { }
-  1.5 is int;
-  if (1.5 is int) { x++; }
-  try { 1.5 as int; } on CastError catch (e) { }
-  try { var z = 1.5 as int; } on CastError catch (e) { }
-
-  x is double;
-  if (x is double) { }
-  try { x as double; } on CastError catch (e) { }
-  try { var z = x as double; } on CastError catch (e) { }
-  y is int;
-  if (y is int) { }
-  try { y as int; } on CastError catch (e) { }
-  try { var z = y as int; } on CastError catch (e) { }
-
-  "${1.5}";
-  var z = "${1.5}";
-  (1.5).toString();
-  z = (1.5).toString();
-  "$y";
-  z = "$y";
-  y.toString();
-  z = y.toString();
-
-  var a = "xyz";
-  var b = "xyz";
-  b = b.substring(1);
-  if (identical(a, b)) { }
-
-  if (identical(x, y)) { }
-  if (identical(y, x)) { }
-
-  if (x > 10) {
-    // Optimized code.
-    x is double;
-    if (x is double) { }
-    try { x as double; } on CastError catch (e) { }
-    try { var z = x as double; } on CastError catch (e) { }
-    y is int;
-    if (y is int) { }
-    try { y as int; } on CastError catch (e) { }
-    try { var z = y as int; } on CastError catch (e) { }
-
-    "${1.5}";
-    var z = "${1.5}";
-    (1.5).toString();
-    z = (1.5).toString();
-    "$y";
-    z = "$y";
-    y.toString();
-    z = y.toString();
-
-    var a = "xyz";
-    var b = "xyz";
-    b = b.substring(1);
-    if (identical(a, b)) { }
-
-    if (identical(x, y)) { }
-    if (identical(y, x)) { }
-  }
-}
-
-g(x, y) => f(x, y);  // Test inlining calls.
-h(x, y) => g(x, y);
-
-// We don't test for _JavascriptCompatibilityError since it's not visible.
-// It should not be visible since it doesn't exist on dart2js.
-bool isJavascriptCompatibilityError(e) =>
-    e is Error && "$e".contains("Javascript Compatibility Error");
-
-main() {
-  // The warning (or error in case of --warning_as_error) is issued at
-  // most once per location.
-  var numWarnings = 0;
-  for (var i = 0; i < 20; i++) {
-    try {
-      h(i, i * 1.0);
-    } catch(e) {
-      Expect.isTrue(isJavascriptCompatibilityError(e));
-      numWarnings++;
-    }
-  }
-  Expect.equals(1, numWarnings);
-  // No warnings (errors) should be issued after this point.
-  for (var i = 0; i < 20; i++) {
-    k(i * 1.0, i);
-    k(i * 1.0, i + 0.5);
-  }
-}
-