Implementation of strict mode in SetElement.

src/type-info.cc

 // Copyright 2010 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 319 matching lines @@
     int position = source_positions[i];
     InlineCacheState state = target->ic_state();
     Code::Kind kind = target->kind();
     if (kind == Code::BINARY_OP_IC ||
         kind == Code::TYPE_RECORDING_BINARY_OP_IC ||
         kind == Code::COMPARE_IC) {
       // TODO(kasperl): Avoid having multiple ICs with the same
       // position by making sure that we have position information
       // recorded for all binary ICs.
       if (GetElement(map_, position)->IsUndefined()) {
-        SetElement(map_, position, target);
+        SetElement(map_, position, target, kNonStrictMode);
       }
     } else if (state == MONOMORPHIC) {
       if (target->kind() != Code::CALL_IC ||
           target->check_type() == RECEIVER_MAP_CHECK) {
         Handle<Map> map = Handle<Map>(target->FindFirstMap());
         if (*map == NULL) {
-          SetElement(map_, position, target);
+          SetElement(map_, position, target, kNonStrictMode);
         } else {
-          SetElement(map_, position, map);
+          SetElement(map_, position, map, kNonStrictMode);
         }
       } else {
         ASSERT(target->kind() == Code::CALL_IC);
         CheckType check = target->check_type();
         ASSERT(check != RECEIVER_MAP_CHECK);
-        SetElement(map_, position, Handle<Object>(Smi::FromInt(check)));
+        SetElement(map_, position,
+                   Handle<Object>(Smi::FromInt(check)), kNonStrictMode);
         ASSERT(Smi::cast(*GetElement(map_, position))->value() == check);
       }
     } else if (state == MEGAMORPHIC) {
-      SetElement(map_, position, target);
+      SetElement(map_, position, target, kNonStrictMode);
     }
   }
 }
 
 
 void TypeFeedbackOracle::CollectPositions(Code* code,
                                           List<int>* code_positions,
                                           List<int>* source_positions) {
   AssertNoAllocation no_allocation;
   int position = 0;
@@ skipping 27 matching lines @@
         source_positions->Add(position);
       }
     } else {
       ASSERT(RelocInfo::IsPosition(mode));
       position = static_cast<int>(info->data());
     }
   }
 }
 
 } }  // namespace v8::internal