Index: tests/language/phi_merge_test.dart |
=================================================================== |
--- tests/language/phi_merge_test.dart (revision 0) |
+++ tests/language/phi_merge_test.dart (revision 0) |
@@ -0,0 +1,30 @@ |
+// Copyright (c) 2013, 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. |
+ |
+// Regression test for dart2js that used to crash on this code. |
+ |
+class A { |
+ operator[]=(index, value) { |
+ switch (value) { |
+ case 42: break; |
+ case 43: break; |
+ } |
+ } |
+} |
+ |
+main() { |
+ // Make [a] a phi. |
+ var a; |
+ if (true) { |
+ a = new A(); |
+ } else { |
+ a = new A(); |
+ } |
+ // `A[]=` being inlined, the compiler was confused when merging the |
+ // phis after the switch. |
+ a[0] = 42; |
+ |
+ // Use [a] to provoke the crash. |
+ print(a); |
+} |