From 9616971c705b4ad2422bc4bb9de834f8bcb9c83b Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.osdn.me>
Date: Fri, 8 Mar 2024 21:56:00 +0900
Subject: [PATCH] Fix wrong assertion in `OP_SENDB`.

Assertions were failing on exit if started with `mrb_fiber_resume()`.

The bug that caused it was introduced by commit 42308c42b548c30e54663e70902fc3eca7b22ea8 (#6106).
The bug was moved by commit 990e18ad59e8428bd644559d852a3842994b7e94.
---
 src/vm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vm.c b/src/vm.c
index ae10ed707..c50dd56bf 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1912,7 +1912,6 @@ RETRY_TRY_BLOCK:
       }
 
       /* cfunc epilogue */
-      mrb_assert(mrb->c->ci > mrb->c->cibase);
       mrb_gc_arena_shrink(mrb, ai);
       if (mrb->exc) goto L_RAISE;
       ci = mrb->c->ci;
@@ -1929,6 +1928,7 @@ RETRY_TRY_BLOCK:
           syms = irep->syms;
         }
       }
+      mrb_assert(ci > mrb->c->cibase);
       ci->stack[0] = recv;
       /* pop stackpos */
       ci = cipop(mrb);