From 45007888f502c096104974ac17caf091b4b7e059 Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.osdn.me>
Date: Sun, 21 Jul 2024 21:58:18 +0900
Subject: [PATCH] Assume that `MRB_CATCH()` has `mrb->exc` set

The caller of `MRB_EXC_THROW()` must be preconfigured.
---
 src/vm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/vm.c b/src/vm.c
index 8830ca332..4739c7f8b 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -3109,6 +3109,8 @@ RETRY_TRY_BLOCK:
 #undef regs
   }
   MRB_CATCH(&c_jmp) {
+    mrb_assert(mrb->exc != NULL);
+
     mrb_callinfo *ci = mrb->c->ci;
     while (ci > mrb->c->cibase && ci->cci == CINFO_DIRECT) {
       ci = cipop(mrb);