From 917f8724c73d7ec8d50e2df0ed36ccc5c399f20b Mon Sep 17 00:00:00 2001
From: Drvi <tomas.drvostep@gmail.com>
Date: Thu, 14 Nov 2024 17:26:20 +0100
Subject: [PATCH] Fixup: also respect `allow_new_world` in
 `jl_method_table_add_backedge`

---
 src/gf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gf.c b/src/gf.c
index 01587653d9645..cbbe6b9c4ea2a 100644
--- a/src/gf.c
+++ b/src/gf.c
@@ -1756,6 +1756,8 @@ JL_DLLEXPORT void jl_method_instance_add_backedge(jl_method_instance_t *callee,
 // add a backedge from a non-existent signature to caller
 JL_DLLEXPORT void jl_method_table_add_backedge(jl_methtable_t *mt, jl_value_t *typ, jl_value_t *caller)
 {
+    if (!jl_atomic_load_acquire(&allow_new_worlds))
+        return;
     JL_LOCK(&mt->writelock);
     if (!mt->backedges) {
         // lazy-init the backedges array