feat: bumpalo

src/jit/helpers.rs

@@ -1,5 +1,3 @@
-use std::rc::Rc;
-
 use inkwell::AddressSpace;
 use inkwell::context::Context;
 use inkwell::execution_engine::ExecutionEngine;
@@ -209,9 +207,8 @@ extern "C" fn helper_debug(value: JITValue) {
 
 extern "C" fn helper_capture_env(thunk: JITValue, env: *const VmEnv) {
     let thunk = unsafe { (thunk.data.ptr as *const Thunk).as_ref().unwrap() };
-    let env = unsafe { Rc::from_raw(env) };
-    thunk.capture(env.clone());
-    std::mem::forget(env);
+    let env = unsafe { env.as_ref() }.unwrap();
+    thunk.capture(env);
 }
 
 extern "C" fn helper_neg(rhs: JITValue, _env: *const VmEnv) -> JITValue {