Auto merge of #60651 - Centril:rollup-zoamjfk, r=Centril

Auto merge of #60651 - Centril:rollup-zoamjfk, r=Centril

Rollup of 8 pull requests

Successful merges:

 - #59979 (to_xe_bytes for isize and usize returns an array of different size)
 - #60491 (std: Update compiler-builtins crate)
 - #60550 (Add tests for concrete const types)
 - #60572 (Add test for #59972)
 - #60627 (test for #50518)
 - #60634 (Document + Cleanup lang_items.rs)
 - #60641 (Instead of ICEing on incorrect pattern, use delay_span_bug)
 - #60644 (Use `delay_span_bug` for "Failed to unify obligation")

Failed merges:

r? @ghost