{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"debug_assert_eq!(bx.cx().val_ty(imm),"}]}
    debug_assert_eq!(bx.cx().val_ty(imm), from_backend_ty);
    let from_backend_ty = bx.cx().type_from_scalar(from_scalar);
    let to_backend_ty = bx.cx().type_from_scalar(to_scalar);