Merge up to 8597 to experimental/gc from the bleeding edge.

src/isolate.h

Index: src/isolate.h
===================================================================
--- src/isolate.h	(revision 8618)
+++ src/isolate.h	(working copy)
@@ -69,7 +69,6 @@
 class NoAllocationStringAllocator;
 class PcToCodeCache;
 class PreallocatedMemoryThread;
-class ProducerHeapProfile;
 class RegExpStack;
 class SaveContext;
 class UnicodeCache;
@@ -333,6 +332,8 @@
   V(int, bad_char_shift_table, kUC16AlphabetSize)                              \
   V(int, good_suffix_shift_table, (kBMMaxShift + 1))                           \
   V(int, suffix_table, (kBMMaxShift + 1))                                      \
+  V(uint32_t, random_seed, 2)                                                  \
+  V(uint32_t, private_random_seed, 2)                                          \
   ISOLATE_INIT_DEBUG_ARRAY_LIST(V)
 
 typedef List<HeapObject*, PreallocatedStorage> DebugObjectCache;
@@ -529,6 +530,7 @@
   // Access to top context (where the current function object was created).
   Context* context() { return thread_local_top_.context_; }
   void set_context(Context* context) {
+    ASSERT(context == NULL || context->IsContext());
     thread_local_top_.context_ = context;
   }
   Context** context_address() { return &thread_local_top_.context_; }
@@ -594,7 +596,7 @@
     return thread_local_top_.scheduled_exception_;
   }
   bool has_scheduled_exception() {
-    return !thread_local_top_.scheduled_exception_->IsTheHole();
+    return thread_local_top_.scheduled_exception_ != heap_.the_hole_value();
   }
   void clear_scheduled_exception() {
     thread_local_top_.scheduled_exception_ = heap_.the_hole_value();
@@ -895,14 +897,6 @@
     return &interp_canonicalize_mapping_;
   }
 
-  ZoneObjectList* frame_element_constant_list() {
-    return &frame_element_constant_list_;
-  }
-
-  ZoneObjectList* result_constant_list() {
-    return &result_constant_list_;
-  }
-
   void* PreallocatedStorageNew(size_t size);
   void PreallocatedStorageDelete(void* p);
   void PreallocatedStorageInit(size_t size);
@@ -914,12 +908,6 @@
 
   inline bool DebuggerHasBreakPoints();
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
-  ProducerHeapProfile* producer_heap_profile() {
-    return producer_heap_profile_;
-  }
-#endif
-
 #ifdef DEBUG
   HistogramInfo* heap_histograms() { return heap_histograms_; }
 
@@ -973,6 +961,8 @@
 
   void SetCurrentVMState(StateTag state) {
     if (RuntimeProfiler::IsEnabled()) {
+      // Make sure thread local top is initialized.
+      ASSERT(thread_local_top_.isolate_ == this);
       StateTag current_state = thread_local_top_.current_vm_state_;
       if (current_state != JS && state == JS) {
         // Non-JS -> JS transition.
@@ -992,8 +982,6 @@
   }
 #endif
 
-  void ResetEagerOptimizingData();
-
   void SetData(void* data) { embedder_data_ = data; }
   void* GetData() { return embedder_data_; }
 
@@ -1011,6 +999,7 @@
     void Insert(PerIsolateThreadData* data);
     void Remove(Isolate* isolate, ThreadId thread_id);
     void Remove(PerIsolateThreadData* data);
+    void RemoveAllThreads(Isolate* isolate);
 
    private:
     PerIsolateThreadData* list_;
@@ -1157,8 +1146,6 @@
       regexp_macro_assembler_canonicalize_;
   RegExpStack* regexp_stack_;
   unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_;
-  ZoneObjectList frame_element_constant_list_;
-  ZoneObjectList result_constant_list_;
   void* embedder_data_;
 
 #if defined(V8_TARGET_ARCH_ARM) && !defined(__arm__) || \
@@ -1180,10 +1167,6 @@
   Debug* debug_;
 #endif
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
-  ProducerHeapProfile* producer_heap_profile_;
-#endif
-
 #define GLOBAL_BACKING_STORE(type, name, initialvalue)                         \
   type name##_;
   ISOLATE_INIT_LIST(GLOBAL_BACKING_STORE)