Abort optimization when debugger is turned on.

test/mjsunit/regress/regress-debug-deopt-while-recompile.js

-// Copyright 2012 the V8 project authors. All rights reserved.
+// Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --expose-debug-as debug
-
-// Test that a variable in the local scope that shadows a context-allocated
-// variable is correctly resolved when being evaluated in the debugger.
+// Flags: --expose-debug-as debug --allow-natives-syntax
 
 Debug = debug.Debug;
 
-var exception = false;
-
 function listener(event, exec_state, event_data, data) {
   if (event != Debug.DebugEvent.Break) return;
-  var breakpoint = exec_state.frame(0);
   try {
-    // Assert correct break point.
-    assertTrue(breakpoint.sourceLineText().indexOf("// Break") > -1);
-    // Assert correct value.
-    assertEquals(3, breakpoint.evaluate('x').value());
+    assertEquals("foo", exec_state.frame(0).evaluate("bar").value());
   } catch (e) {
     exception = e;
-  }
+  };
+  listened++;
+};
+
+var exception = null;
+var listened = 0;
+
+var f = function() {
+  var bar = "foo";
+  var baz = bar;  // Break point should be here.
+  return bar;
 }
 
+var g = function() {
+  var bar = "foo";
+  var baz = bar;  // Break point should be here.
+  return bar;
+}
+
+f();
+f();
+g();
+g();
+
+// Mark with builtin.
+%OptimizeFunctionOnNextCall(f);
+if (%IsParallelRecompilationSupported()) {
+  %OptimizeFunctionOnNextCall(g, "parallel");
+}
+
+// Activate debugger.
 Debug.setListener(listener);
 
-function h() {
-  var x;  // Context-allocated due to g().
+ // Set break point.
+Debug.setBreakPoint(f, 2, 0);
+Debug.setBreakPoint(g, 2, 0);
 
-  var g = function g() {
-    x = -7;
-  };
+// Trigger break point.
+f();
+g();
 
-  var f = function f() {
-    var x = 3;  // Allocated in the local scope.
-    debugger;  // Break.
-  };
+// Assert that break point is set at expected location.
+assertTrue(Debug.showBreakPoints(f).indexOf("[B0]var baz = bar;") > 0);
+assertTrue(Debug.showBreakPoints(g).indexOf("[B0]var baz = bar;") > 0);
 
-  f();
-}
-
-h();
-
-assertFalse(exception);
-
+assertEquals(2, listened);
+assertNull(exception);