Auto merge of #138532 - matthiaskrgr:rollup-mgcynqu, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - #138283 (Enforce type of const param correctly in MIR typeck)
 - #138439 (feat: check ARG_MAX on Unix platforms)
 - #138502 (resolve: Avoid some unstable iteration)
 - #138514 (Remove fake borrows of refs that are converted into non-refs in `MakeByMoveBody`)
 - #138524 (Mark myself as unavailable for reviews temporarily)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors