[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 dc5048d0bd720e09329a77691fefeed3c4ac070a..bbd8b96f656496faceb3e823164163c09c10ee98 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -4227,7 +4227,6 @@ int BytecodeArray::parameter_count() const {
   return READ_INT_FIELD(this, kParameterSizeOffset) >> kPointerSizeLog2;
 }
 
-
 ACCESSORS(BytecodeArray, constant_pool, FixedArray, kConstantPoolOffset)
 ACCESSORS(BytecodeArray, handler_table, FixedArray, kHandlerTableOffset)
 ACCESSORS(BytecodeArray, source_position_table, ByteArray,
@@ -5125,6 +5124,19 @@ 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);