{"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
    let mut allocator_module = make_module(tcx.sess, "allocator_shim".to_string());
fn emit_allocator_module(tcx: TyCtxt<'_>) -> Option<CompiledModule> {
    let created_alloc_shim = crate::allocator::codegen(tcx, &mut allocator_module);