Add debug assertion in `rb_funcall*` that the current thread has the gvl.

1 files changed, 1 insertions, 0 deletions

diff --git a/vm.c b/vm.c
index b12021668c..78aadb6a41 100644
--- a/vm.c
+++ b/vm.c
@@ -23,6 +23,7 @@
 #include "internal/proc.h"
 #include "internal/re.h"
 #include "internal/symbol.h"
+#include "internal/thread.h"
 #include "internal/vm.h"
 #include "internal/sanitizers.h"
 #include "iseq.h"