1 files changed, 3 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 2aa2ba04e2..f458da7203 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -1753,6 +1753,9 @@ RUBY_SYMBOL_EXPORT_BEGIN
 
 int rb_thread_check_trap_pending(void);
 
+/* #define RUBY_EVENT_RESERVED_FOR_INTERNAL_USE 0x030000 */ /* from vm_core.h */
+#define RUBY_EVENT_COVERAGE_BRANCH              0x010000
+
 extern VALUE rb_get_coverages(void);
 extern void rb_set_coverages(VALUE, int, VALUE);
 extern void rb_reset_coverages(void);