Auto merge of #136954 - jhpratt:rollup-koefsot, r=jhpratt

Rollup of 12 pull requests

Successful merges:

 - #134090 (Stabilize target_feature_11)
 - #135025 (Cast allocas to default address space)
 - #135841 (Reject `?Trait` bounds in various places where we unconditionally warned since 1.0)
 - #136217 (Mark condition/carry bit as clobbered in C-SKY inline assembly)
 - #136699 (std: replace the `FromInner` implementation for addresses with private conversion functions)
 - #136806 (Fix cycle when debug-printing opaque types from RPITIT)
 - #136807 (compiler: internally merge `PtxKernel` into `GpuKernel`)
 - #136818 (Implement `read*_exact` for `std:io::repeat`)
 - #136927 (Correctly escape hashtags when running `invalid_rust_codeblocks` lint)
 - #136937 (Update books)
 - #136945 (Add diagnostic item for `std::io::BufRead`)
 - #136947 (Reinstate nnethercote in the review rotation.)

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

Author: bors