1 files changed, 2 insertions, 1 deletions
diff --git a/vm_core.h b/vm_core.h
index 0105488f60..0c25ff74e6 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -566,6 +566,7 @@ typedef struct rb_vm_struct {
 
     VALUE verbose, debug, orig_progname, progname;
     VALUE coverages;
+    int coverage_mode;
 
     VALUE defined_module_hash;
 
@@ -1686,7 +1687,7 @@ RUBY_SYMBOL_EXPORT_BEGIN
 int rb_thread_check_trap_pending(void);
 
 extern VALUE rb_get_coverages(void);
-extern void rb_set_coverages(VALUE);
+extern void rb_set_coverages(VALUE, int);
 extern void rb_reset_coverages(void);
 
 void rb_postponed_job_flush(rb_vm_t *vm);