Auto merge of rust-lang#144044 - fmease:rollup-kg413pt, r=fmease

Rollup of 15 pull requests

Successful merges:

 - rust-lang#142304 (tests: Add `RUST_BACKTRACE` and `-Cpanic` revisions to `panic-main.rs` test)
 - rust-lang#143388 (Various refactors to the LTO handling code)
 - rust-lang#143409 (Enable xgot feature for mips64 musl targets)
 - rust-lang#143592 (UWP: link ntdll functions using raw-dylib)
 - rust-lang#143595 (add `const_make_global`; err for `const_allocate` ptrs if didn't call)
 - rust-lang#143678 (Added error for invalid char cast)
 - rust-lang#143820 (Fixed a core crate compilation failure when enabling the `optimize_for_size` feature on some targets)
 - rust-lang#143829 (Trim `BorrowedCursor` API)
 - rust-lang#143851 (ci cleanup: rustdoc-gui-test now installs browser-ui-test)
 - rust-lang#143856 (Linting public reexport of private dependencies)
 - rust-lang#143895 (Dont collect assoc ty item bounds from trait where clause for host effect predicates)
 - rust-lang#143922 (Improve path segment joining)
 - rust-lang#143964 (Fix handling of SCRIPT_ARG in docker images)
 - rust-lang#144002 (Update poison.rs)
 - rust-lang#144016 (trait_sel: `MetaSized` always holds temporarily)

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

Author: bors