[promises] Move promise constructor to TFS

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 142a3dd11db835074a05e7db8326b47cf57116bb..bcf86453ab357b68ebf25fc0ce139f180cfd8fd6 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -5132,6 +5132,19 @@ inline void Code::set_is_construct_stub(bool value) {
   WRITE_UINT32_FIELD(this, kKindSpecificFlags1Offset, updated);
 }
 
+inline bool Code::is_promise_rejection() {
+  DCHECK(kind() == BUILTIN);
+  return IsPromiseRejectionField::decode(
+      READ_UINT32_FIELD(this, kKindSpecificFlags1Offset));
+}
+
+inline void Code::set_is_promise_rejection(bool value) {
+  DCHECK(kind() == BUILTIN);
+  int previous = READ_UINT32_FIELD(this, kKindSpecificFlags1Offset);
+  int updated = IsPromiseRejectionField::update(previous, value);
+  WRITE_UINT32_FIELD(this, kKindSpecificFlags1Offset, updated);
+}
+
 bool Code::has_deoptimization_support() {
   DCHECK_EQ(FUNCTION, kind());
   unsigned flags = READ_UINT32_FIELD(this, kFullCodeFlags);