Implement a type recording ToBoolean IC.

src/objects.cc

 // Copyright 2011 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
@@ skipping 7191 matching lines @@
     case BUILTIN: return "BUILTIN";
     case LOAD_IC: return "LOAD_IC";
     case KEYED_LOAD_IC: return "KEYED_LOAD_IC";
     case STORE_IC: return "STORE_IC";
     case KEYED_STORE_IC: return "KEYED_STORE_IC";
     case CALL_IC: return "CALL_IC";
     case KEYED_CALL_IC: return "KEYED_CALL_IC";
     case UNARY_OP_IC: return "UNARY_OP_IC";
     case BINARY_OP_IC: return "BINARY_OP_IC";
     case COMPARE_IC: return "COMPARE_IC";
+    case TO_BOOLEAN_IC: return "TO_BOOLEAN_IC";
   }
   UNREACHABLE();
   return NULL;
 }
 
 
 const char* Code::ICState2String(InlineCacheState state) {
   switch (state) {
     case UNINITIALIZED: return "UNINITIALIZED";
     case PREMONOMORPHIC: return "PREMONOMORPHIC";
@@ skipping 4622 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal