Revert 13157, 13145 and 13140: Crankshaft code stubs.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index d09625c401a4a8ad0d27f5faae6cc54616c85b13..15d0bdd44193524f5a8f5127688daf4e3604e4b8 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -1635,7 +1635,6 @@ Isolate::Isolate()
       string_tracker_(NULL),
       regexp_stack_(NULL),
       date_cache_(NULL),
-      code_stub_interface_descriptors_(NULL),
       context_exit_happened_(false),
       deferred_handles_head_(NULL),
       optimizing_compiler_thread_(this) {
@@ -1798,9 +1797,6 @@ Isolate::~Isolate() {
   delete date_cache_;
   date_cache_ = NULL;
 
-  delete[] code_stub_interface_descriptors_;
-  code_stub_interface_descriptors_ = NULL;
-
   delete regexp_stack_;
   regexp_stack_ = NULL;
 
@@ -1964,10 +1960,6 @@ bool Isolate::Init(Deserializer* des) {
   regexp_stack_ = new RegExpStack();
   regexp_stack_->isolate_ = this;
   date_cache_ = new DateCache();
-  code_stub_interface_descriptors_ =
-      new CodeStubInterfaceDescriptor[CodeStub::NUMBER_OF_IDS];
-  memset(code_stub_interface_descriptors_, 0,
-         kPointerSize * CodeStub::NUMBER_OF_IDS);
 
   // Enable logging before setting up the heap
   logger_->SetUp();
@@ -2028,8 +2020,6 @@ bool Isolate::Init(Deserializer* des) {
   debug_->SetUp(create_heap_objects);
 #endif
 
-  deoptimizer_data_ = new DeoptimizerData;
-
   // If we are deserializing, read the state into the now-empty heap.
   if (!create_heap_objects) {
     des->Deserialize();
@@ -2048,6 +2038,7 @@ bool Isolate::Init(Deserializer* des) {
   // Quiet the heap NaN if needed on target platform.
   if (!create_heap_objects) Assembler::QuietNaN(heap_.nan_value());
 
+  deoptimizer_data_ = new DeoptimizerData;
   runtime_profiler_ = new RuntimeProfiler(this);
   runtime_profiler_->SetUp();
 
@@ -2069,17 +2060,6 @@ bool Isolate::Init(Deserializer* des) {
 
   state_ = INITIALIZED;
   time_millis_at_init_ = OS::TimeCurrentMillis();
-
-  if (!create_heap_objects) {
-    // Now that the heap is consistent, it's OK to generate the code for the
-    // deopt entry table that might have been referred to by optimized code in
-    // the snapshot.
-    HandleScope scope(this);
-    Deoptimizer::EnsureCodeForDeoptimizationEntry(
-        Deoptimizer::LAZY,
-        kDeoptTableSerializeEntryCount - 1);
-  }
-
   if (FLAG_parallel_recompilation) optimizing_compiler_thread_.Start();
   return true;
 }
@@ -2194,12 +2174,6 @@ void Isolate::UnlinkDeferredHandles(DeferredHandles* deferred) {
 }
 
 
-CodeStubInterfaceDescriptor*
-    Isolate::code_stub_interface_descriptor(int index) {
-  return code_stub_interface_descriptors_ + index;
-}
-
-
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);