Mart G

When calling XGetWindowProperty `&dl` is passed twice, once for `nitems_return`, and another time for `bytes_after_return`. So when `dl` is later referenced as if it contained `nitems_return`, it will probably contain...

Since clang 20.1.0 `maybe_repurpose_single_chunk_large_objects_head` gets compiled in a way that surfaces what I assume is a pointer aliasing issue. I'll try to explain what I think is happening by commenting...