Revert of [stubs] Fix TypeOfStub to properly return "undefined" for undetectable.

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index 2fab578b9b34e1b97109dab8c308d996ed401df3..0160474833c8b4f9ade5b121d0ab560fa385517e 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -396,7 +396,8 @@
               // Is it an undetectable object?
               IfBuilder is_undetectable(this);
               is_undetectable.If<HCompareNumericAndBranch>(
-                  bit_field_masked, graph()->GetConstant0(), Token::NE);
+                  bit_field_masked, Add<HConstant>(1 << Map::kIsUndetectable),
+                  Token::EQ);
               is_undetectable.Then();
               {
                 // typeof an undetectable object is 'undefined'.