[proxies] fix access issue when having proxies on the prototype-chain of global objects.

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 273b9ca8461fb8302d54d521fc9efc424ae12754..181b1f03aa1a6b97d10a4b6c7f3c5039fe52ae5e 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -174,6 +174,14 @@ FieldAccess AccessBuilder::ForDescriptorArrayEnumCacheBridgeCache() {
 
 
 // static
+FieldAccess AccessBuilder::ForMapBitField() {
+  FieldAccess access = {kTaggedBase, Map::kBitFieldOffset, Handle<Name>(),
+                        TypeCache::Get().kUint8, MachineType::Uint8()};
+  return access;
+}
+
+
+// static
 FieldAccess AccessBuilder::ForMapBitField3() {
   FieldAccess access = {kTaggedBase, Map::kBitField3Offset, Handle<Name>(),
                         TypeCache::Get().kInt32, MachineType::Int32()};