Need to unshare env on OP_R_BREAK too.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/vm.c b/src/vm.c
index d43f0f4e5..405c94f47 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2051,6 +2051,7 @@ RETRY_TRY_BLOCK:
             }
             ci--;
           }
+          mrb_env_unshare(mrb, ci->env);
           break;
         default:
           /* cannot happen */