1 files changed, 1 insertions, 0 deletions
diff --git a/iseq.h b/iseq.h
index 11e67352f8..e9c97dccbe 100644
--- a/iseq.h
+++ b/iseq.h
@@ -134,6 +134,7 @@ struct rb_compile_option_struct {
     unsigned int trace_instruction: 1;
     unsigned int frozen_string_literal: 1;
     unsigned int debug_frozen_string_literal: 1;
+    unsigned int coverage_enabled: 1;
     int debug_level;
 };