Debugger: naive implementation of "step into Function.prototype.bind".

test/mjsunit/debug-stepin-function-call.js

Index: test/mjsunit/debug-stepin-function-call.js
diff --git a/test/mjsunit/debug-stepin-function-call.js b/test/mjsunit/debug-stepin-function-call.js
index 385fcb2f8bedc1a19d350df542e66d5756af20cd..3b5240c9337da878527f414d7edba7c0e9f3a779 100644
--- a/test/mjsunit/debug-stepin-function-call.js
+++ b/test/mjsunit/debug-stepin-function-call.js
@@ -135,8 +135,15 @@ function apply4() {
   var yetAnotherLocal = 10;
 }
 
+// Test step into bound function.
+function bind1() {
+  var bound = g.bind(null, 3);
+  debugger;
+  bound();
+}
+
 var testFunctions =
-    [call1, call2, call3, call4, apply1, apply2, apply3, apply4];
+    [call1, call2, call3, call4, apply1, apply2, apply3, apply4, bind1];
 
 for (var i = 0; i < testFunctions.length; i++) {
   state = 0;
@@ -145,5 +152,13 @@ for (var i = 0; i < testFunctions.length; i++) {
   assertEquals(3, state);
 }
 
+// Test global bound function.
+state = 0;
+var globalBound = g.bind(null, 3);
+debugger;
+globalBound();
+assertNull(exception);
+assertEquals(3, state);
+
 // Get rid of the debug event listener.
 Debug.setListener(null);