Implement ClearFunctionTypeFeedback for test cases.

src/objects.cc

 // Copyright 2012 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 8302 matching lines @@
   for (RelocIterator it(this, mask); !it.done(); it.next()) {
     RelocInfo* info = it.rinfo();
     Code* target(Code::GetCodeFromTargetAddress(info->target_address()));
     if (target->is_inline_cache_stub()) {
       IC::Clear(info->pc());
     }
   }
 }
 
 
+void Code::ClearTypeFeedbackCells(Heap* heap) {
+  Object* raw_info = type_feedback_info();
+  if (raw_info->IsTypeFeedbackInfo()) {
+    TypeFeedbackCells* type_feedback_cells =
+        TypeFeedbackInfo::cast(raw_info)->type_feedback_cells();
+    for (int i = 0; i < type_feedback_cells->CellCount(); i++) {
+      ASSERT(type_feedback_cells->AstId(i)->IsSmi());
+      JSGlobalPropertyCell* cell = type_feedback_cells->Cell(i);
+      cell->set_value(TypeFeedbackCells::RawUninitializedSentinel(heap));
+    }
+  }
+}
+
+
 #ifdef ENABLE_DISASSEMBLER
 
 void DeoptimizationInputData::DeoptimizationInputDataPrint(FILE* out) {
   disasm::NameConverter converter;
   int deopt_count = DeoptCount();
   PrintF(out, "Deoptimization Input Data (deopt points = %d)\n", deopt_count);
   if (0 == deopt_count) return;
 
   PrintF(out, "%6s  %6s  %6s %6s %12s\n", "index", "ast id", "argc", "pc",
          FLAG_print_code_verbose ? "commands" : "");
@@ skipping 4816 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal