Find all compiled copies of a function when setting breakpoint

tests/standalone/debugger/closure_bp_test.dart

Index: tests/standalone/debugger/closure_bp_test.dart
===================================================================
--- tests/standalone/debugger/closure_bp_test.dart	(revision 0)
+++ tests/standalone/debugger/closure_bp_test.dart	(working copy)
@@ -0,0 +1,47 @@
+// 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.
+
+// This test forks a second vm process that runs this dart script as
+// a debug target.
+// Run this test with option --wire to see the json messages sent
+// between the processes.
+// Run this test with option --verbose to see the stdout and stderr output
+// of the debug target process.
+
+import "debug_lib.dart";
+
+bar(x) {
+  print(x);
+}
+
+main(List<String> arguments) {
+  if (RunScript(testScript, arguments)) return;
+  print("Hello from debuggee");
+  [1,2].forEach(bar);  // Causes implicit closure of bar to be compiled.
+  print("stop here");  // Stop here and set breakpoint in bar.
+  [3,4].forEach(bar);  // Call bar closure and observe breakpoints being hit.
+  print("done");
+}
+
+
+// Expected debugger events and commands.
+var testScript = [
+  MatchFrame(0, "main"),  // Top frame in trace is function "main".
+  SetBreakpoint(22),      // Set breakpoint a line 22, after bar closure is compiled.
+  Resume(),
+  MatchFrame(0, "main"),  // Should be at line 22 in main.
+  MatchLine(22),
+  SetBreakpoint(15),      // Set breakpoint in function bar. Bar has not been called
+                          // through a regular function call at this point, only
+                          // through a closure from forEach().
+  Resume(),
+  MatchFrames(["bar", "forEach", "main"]),  // Should be in closure function now.
+  MatchLine(15),
+  MatchLocals({"x": "3"}),
+  Resume(),
+  MatchFrames(["bar", "forEach", "main"]),  // Should be in closure function now.
+  MatchLine(15),
+  MatchLocals({"x": "4"}),
+  Resume(),
+];