From f54ff74f9b29f6cb330d5071a10c57a758101d67 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 27 Mar 2024 15:41:16 +0900
Subject: [PATCH] vm.c: add `volatile` to a variable across setjmp/longjmp

---
 src/vm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vm.c b/src/vm.c
index 37b854b09..dc2ae99a0 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1392,7 +1392,7 @@ mrb_vm_exec(mrb_state *mrb, const struct RProc *proc, const mrb_code *pc)
   };
 #endif
 
-  mrb_bool exc_catched = FALSE;
+  volatile mrb_bool exc_catched = FALSE;
 RETRY_TRY_BLOCK:
 
   MRB_TRY(&c_jmp) {