Function boehm_gc::__rust_deallocate

pub extern fn __rust_deallocate(ptr: *mut u8, _: usize, _: usize)

Deallocates memory allocated by GC_malloc_uncollectable. This memory isn't normally collectable so we rely on Rust's drop glue to free the memory that it's allocated. Luckily, it's really good at that sort of thing!