Fixed a top-level local variable bug in `mirb`.

`OP_STOP` returned a wrong value.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/vm.c b/src/vm.c
index 14c42984e..0192fc907 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2056,6 +2056,7 @@ RETRY_TRY_BLOCK:
             struct mrb_context *c;
 
             if (!mrb->c->prev) { /* toplevel return */
+              regs[irep->nlocals] = v;
               goto L_STOP;
             }
             if (mrb->c->prev->ci == mrb->c->prev->cibase) {