Debugger: use debug break slots instead of ICs (except for calls).

test/mjsunit/es6/debug-step-into-constructor.js

Index: test/mjsunit/es6/debug-step-into-constructor.js
diff --git a/test/mjsunit/es6/debug-step-into-constructor.js b/test/mjsunit/es6/debug-step-into-constructor.js
index dfe98a9947e4640418955b4a05d0d60280428e04..66fc0b99d0ffcbf0d02724da76de3843c964858f 100644
--- a/test/mjsunit/es6/debug-step-into-constructor.js
+++ b/test/mjsunit/es6/debug-step-into-constructor.js
@@ -14,6 +14,7 @@ function listener(event, execState, eventData, data) {
     if (!done) {
       execState.prepareStep(Debug.StepAction.StepInto);
       var s = execState.frame().sourceLineText();
+      print(s);
       assertTrue(s.indexOf('// ' + stepCount + '.') !== -1);
       stepCount++;
     }
@@ -24,10 +25,10 @@ Debug.setListener(listener);
 
 
 class Base {
-  constructor() {
-    var x = 1;   // 1.
-    var y = 2;   // 2.
-    done = true; // 3.
+  constructor() { // 1.
+    var x = 1;    // 2.
+    var y = 2;    // 3.
+    done = true;  // 4.
   }
 }
 
@@ -40,7 +41,7 @@ class Derived extends Base {}
   var bp = Debug.setBreakPoint(Base, 0);
 
   new Base();
-  assertEquals(4, stepCount);
+  assertEquals(5, stepCount);
 
   Debug.clearBreakPoint(bp);
 })();
@@ -52,7 +53,7 @@ class Derived extends Base {}
 
   var bp = Debug.setBreakPoint(Base, 0);
   new Derived();
-  assertEquals(4, stepCount);
+  assertEquals(5, stepCount);
 
   Debug.clearBreakPoint(bp);
 })();
@@ -68,7 +69,7 @@ class Derived extends Base {}
 
   var bp = Debug.setBreakPoint(f, 0);
   f();
-  assertEquals(4, stepCount);
+  assertEquals(5, stepCount);
 
   Debug.clearBreakPoint(bp);
 })();
@@ -86,7 +87,7 @@ class Derived extends Base {}
 
   var bp = Debug.setBreakPoint(f, 0);
   f();
-  assertEquals(4, stepCount);
+  assertEquals(5, stepCount);
 
   Debug.clearBreakPoint(bp);
 })();
@@ -104,7 +105,7 @@ class Derived extends Base {}
 
   var bp = Debug.setBreakPoint(f, 0);
   f();
-  assertEquals(4, stepCount);
+  assertEquals(5, stepCount);
 
   Debug.clearBreakPoint(bp);
 })();