Change the CompilerDispatcherJob to take a SharedFunctionInfo

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/ast/context-slot-cache.h"
 #include "src/base/bits.h"
@@ skipping 2392 matching lines @@
 
     ALLOCATE_MAP(JS_MESSAGE_OBJECT_TYPE, JSMessageObject::kSize, message_object)
     ALLOCATE_MAP(JS_OBJECT_TYPE, JSObject::kHeaderSize + kPointerSize, external)
     external_map()->set_is_extensible(false);
 #undef ALLOCATE_PRIMITIVE_MAP
 #undef ALLOCATE_VARSIZE_MAP
 #undef ALLOCATE_MAP
   }
 
   {
+    AllocationResult allocation = AllocateEmptyScopeInfo();
+    if (!allocation.To(&obj)) return false;
+  }
+
+  set_empty_scope_info(ScopeInfo::cast(obj));
+  {
     AllocationResult allocation = Allocate(boolean_map(), OLD_SPACE);
     if (!allocation.To(&obj)) return false;
   }
   set_true_value(Oddball::cast(obj));
   Oddball::cast(obj)->set_kind(Oddball::kTrue);
 
   {
     AllocationResult allocation = Allocate(boolean_map(), OLD_SPACE);
     if (!allocation.To(&obj)) return false;
   }
@@ skipping 1379 matching lines @@
   {
     AllocationResult allocation = AllocateRaw(size, OLD_SPACE);
     if (!allocation.To(&result)) return allocation;
   }
   // Initialize the object.
   result->set_map_no_write_barrier(fixed_array_map());
   FixedArray::cast(result)->set_length(0);
   return result;
 }
 
+AllocationResult Heap::AllocateEmptyScopeInfo() {
+  int size = FixedArray::SizeFor(0);
+  HeapObject* result = nullptr;
+  {
+    AllocationResult allocation = AllocateRaw(size, OLD_SPACE);
+    if (!allocation.To(&result)) return allocation;
+  }
+  // Initialize the object.
+  result->set_map_no_write_barrier(scope_info_map());
+  FixedArray::cast(result)->set_length(0);
+  return result;
+}
 
 AllocationResult Heap::CopyAndTenureFixedCOWArray(FixedArray* src) {
   if (!InNewSpace(src)) {
     return src;
   }
 
   int len = src->length();
   HeapObject* obj = nullptr;
   {
     AllocationResult allocation = AllocateRawFixedArray(len, TENURED);
@@ skipping 2716 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8