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

test/mjsunit/debug-stepframe.js

Index: test/mjsunit/debug-stepframe.js
diff --git a/test/mjsunit/debug-stepframe.js b/test/mjsunit/debug-stepframe.js
index 8f4ee4ca11ccaf8befd6c95ac2f8a0d0372266ea..f7983c010e07a8425d88ae8beb85330a943c83e6 100644
--- a/test/mjsunit/debug-stepframe.js
+++ b/test/mjsunit/debug-stepframe.js
@@ -11,7 +11,7 @@ function f0() {
   try {
     throw 1;
   } catch (e) {
-    try{
+    try {
       f1();
     } catch (e) {
       var v02 = 2;          // Break 13
@@ -19,6 +19,8 @@ function f0() {
   }
   var v03 = 3;
   var v04 = 4;
+  eval('var v05 = 5;        // Break 14');
+  var v06 = 6;              // Break 15
 }
 
 function f1() {
@@ -104,7 +106,7 @@ for (step_size = 1; step_size < 6; step_size++) {
   Debug.setListener(listener);
   debugger;                 // Break 0
   f0();
-  Debug.setListener(null);  // Break 14
+  Debug.setListener(null);  // Break 16
   assertTrue(break_count > 14);
 }