`join` on a `literal` causes segfault when either frame has 0 rows. about polars HOT 1 CLOSED

thread 'polars-0' panicked at library/core/src/panicking.rs:219:5:
unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
stack backtrace:
   0: rust_begin_unwind
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/std/src/panicking.rs:652:5
   1: core::panicking::panic_nounwind_fmt::runtime
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/core/src/panicking.rs:110:18
   2: core::panicking::panic_nounwind_fmt
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/core/src/panicking.rs:120:5
   3: core::panicking::panic_nounwind
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/core/src/panicking.rs:219:5
   4: <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/core/src/ub_checks.rs:68:21
   5: <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/core/src/ub_checks.rs:75:17
   6: core::slice::<impl [T]>::get_unchecked
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/core/src/slice/mod.rs:686:20
   7: polars_core::chunked_array::ops::gather::gather_idx_array_unchecked::{{closure}}
             at ./crates/polars-core/src/chunked_array/ops/gather.rs:126:24
   8: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/core/src/ops/function.rs:305:13
   9: core::option::Option<T>::map
             at /rustc/ab14f944afe4234db378ced3801e637eae6c0f30/library/core/src/option.rs:1072:29