Rollup of 7 pull requests

[Centril]

Successful merges:

• Opaque builtin derive macros #63462 (Opaque builtin derive macros)
• Utilize -Zbinary-dep-depinfo in rustbuild #63470 (Utilize -Zbinary-dep-depinfo in rustbuild)
• Suggest Rust 2018 on <expr>.await with no such field #63539 (Suggest Rust 2018 on <expr>.await with no such field)
• Feature gate 'yield $expr?' pre-expansion #63545 (Feature gate 'yield $expr?' pre-expansion)
• Update rustc-demangle to 0.1.16. #63548 (Update rustc-demangle to 0.1.16.)
• rustc_codegen_utils: account for 1-indexed anonymous lifetimes in v0 mangling. #63559 (rustc_codegen_utils: account for 1-indexed anonymous lifetimes in v0 mangling.)
• libcore: more cleanups using #![feature(associated_type_bounds)] #63584 (libcore: more cleanups using #![feature(associated_type_bounds)])

Failed merges:

r? @ghost