YJIT: Optimize local variables when EP == BP (#10487)

1 files changed, 5 insertions, 0 deletions

diff --git a/vm.c b/vm.c
index cf2bed84e4..b4f6a4bf16 100644
--- a/vm.c
+++ b/vm.c
@@ -1007,6 +1007,11 @@ vm_make_env_each(const rb_execution_context_t * const ec, rb_control_frame_t *co
     }
 #endif
 
+    // Invalidate JIT code that assumes cfp->ep == vm_base_ptr(cfp).
+    if (env->iseq) {
+        rb_yjit_invalidate_ep_is_bp(env->iseq);
+    }
+
     return (VALUE)env;
 }