{"ast_node_type":"variable","tokens":[{"end":99,"kind":"keyword","start":0,"text":"let"}]}
        let rust_typeid = bx.call_intrinsic("llvm.eh.typeid.for", &[bx.val_ty(tydesc)], &[tydesc]);
        // Check if the typeid we got is the one for a Rust panic.
        let is_rust_panic = bx.icmp(IntPredicate::IntEQ, selector, rust_typeid);