Revert "Save and restore feedback from JIT."

runtime/vm/thread.h

Index: runtime/vm/thread.h
diff --git a/runtime/vm/thread.h b/runtime/vm/thread.h
index 576d57c19d1e637908acb34d5fd4a7c721f421cb..65bbdf042be0d38aa6a822c9eb94f65fe27a296a 100644
--- a/runtime/vm/thread.h
+++ b/runtime/vm/thread.h
@@ -52,6 +52,7 @@ class String;
 class TimelineStream;
 class TypeArguments;
 class TypeParameter;
+class TypeRangeCache;
 class Zone;
 
 #define REUSABLE_HANDLE_LIST(V)                                                \
@@ -304,6 +305,11 @@ class Thread : public BaseThread {
     cha_ = value;
   }
 
+  TypeRangeCache* type_range_cache() const { return type_range_cache_; }
+  void set_type_range_cache(TypeRangeCache* value) {
+    type_range_cache_ = value;
+  }
+
   int32_t no_callback_scope_depth() const { return no_callback_scope_depth_; }
 
   void IncrementNoCallbackScopeDepth() {
@@ -698,6 +704,7 @@ class Thread : public BaseThread {
 
   // Compiler state:
   CHA* cha_;
+  TypeRangeCache* type_range_cache_;
   intptr_t deopt_id_;  // Compilation specific counter.
   RawGrowableObjectArray* pending_functions_;