From b61064b821823e016e8015f3d9eeab3cf9074ccd Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Fri, 16 Jul 2021 15:22:17 +1200
Subject: Add gvl and fiber assertions to scheduler interface to catch invalid
 usage.

---
 vm_eval.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'vm_eval.c')

diff --git a/vm_eval.c b/vm_eval.c
index 20d63db2b4..ed065977c3 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -645,6 +645,8 @@ rb_check_funcall(VALUE recv, ID mid, int argc, const VALUE *argv)
 static VALUE
 rb_check_funcall_default_kw(VALUE recv, ID mid, int argc, const VALUE *argv, VALUE def, int kw_splat)
 {
+    VM_ASSERT(ruby_thread_has_gvl_p());
+
     VALUE klass = CLASS_OF(recv);
     const rb_callable_method_entry_t *me;
     rb_execution_context_t *ec = GET_EC();
-- 
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