Drop redundant FullCodeGenerator::prepared_bailout_ids_.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/294543002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21354 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/full-codegen.cc

@@ -452,9 +452,12 @@ void FullCodeGenerator::PrepareForBailoutForId(BailoutId id, State state) {
   unsigned pc_and_state =
       StateField::encode(state) | PcField::encode(masm_->pc_offset());
   ASSERT(Smi::IsValid(pc_and_state));
+#ifdef DEBUG
+  for (int i = 0; i < bailout_entries_.length(); ++i) {
+    ASSERT(bailout_entries_[i].id != id);
+  }
+#endif
   BailoutEntry entry = { id, pc_and_state };
-  ASSERT(!prepared_bailout_ids_.Contains(id.ToInt()));
-  prepared_bailout_ids_.Add(id.ToInt(), zone());
   bailout_entries_.Add(entry, zone());
 }
 

src/full-codegen.h

@@ -820,7 +820,6 @@ class FullCodeGenerator: public AstVisitor {
   int module_index_;
   const ExpressionContext* context_;
   ZoneList<BailoutEntry> bailout_entries_;
-  GrowableBitVector prepared_bailout_ids_;
   ZoneList<BackEdgeEntry> back_edges_;
   int ic_total_count_;
   Handle<FixedArray> handler_table_;