1 files changed, 1 insertions, 0 deletions
diff --git a/debug.c b/debug.c
index a8bbb0fd28..15c1ea8b9e 100644
--- a/debug.c
+++ b/debug.c
@@ -35,6 +35,7 @@ const union {
         RUBY_ENC_CODERANGE_BROKEN  = ENC_CODERANGE_BROKEN,
         RUBY_FL_PROMOTED0   = FL_PROMOTED0,
         RUBY_FL_PROMOTED1   = FL_PROMOTED1,
+        RUBY_FL_PROMOTED    = FL_PROMOTED0|FL_PROMOTED1,
         RUBY_FL_FINALIZE    = FL_FINALIZE,
         RUBY_FL_TAINT       = FL_TAINT,
         RUBY_FL_EXIVAR      = FL_EXIVAR,