Auto merge of #125628 - matthiaskrgr:rollup-3zk9v3w, r=matthiaskrgr

Rollup of 4 pull requests

Successful merges:

 - #125339 (The number of tests does not depend on the architecture's pointer width)
 - #125542 (Migrate rustdoc verify output files)
 - #125616 (MIR validation: ensure that downcast projection is followed by field projection)
 - #125625 (Use grep to implement verify-line-endings)

Failed merges:

 - #125573 (Migrate `run-make/allow-warnings-cmdline-stability` to `rmake.rs`)

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

Author: bors

tests/panic/mir-validation.stderr

@@ -1,6 +1,6 @@
 thread 'rustc' panicked at compiler/rustc_mir_transform/src/validate.rs:LL:CC:
 broken MIR in Item(DefId) (after phase change to runtime-optimized) at bb0[1]:
-(*(_2.0: *mut i32)), has deref at the wrong place
+place (*(_2.0: *mut i32)) has deref as a later projection (it is only permitted as the first projection)
 stack backtrace:
 
 error: the compiler unexpectedly panicked. this is a bug.