Auto merge of #136823 - matthiaskrgr:rollup-vp20mk1, r=matthiaskrgr

Rollup of 6 pull requests

Successful merges:

 - #136419 (adding autodiff tests)
 - #136628 (ci: upgrade to crosstool-ng 1.27.0)
 - #136681 (resolve `llvm-config` path properly on cross builds)
 - #136714 (Update `compiler-builtins` to 0.1.146)
 - #136731 (rustc_middle: parallel: TyCtxt: remove "unsafe impl DynSend/DynSync")
 - #136791 (Disable DWARF in linker options for i686-unknown-uefi)

Failed merges:

 - #136767 (improve host/cross target checking)

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

Author: bors