Top rust issues

Streamline `Symbol`, `InternedString`, and `LocalInternedString`.

C-enhancement T-compiler

Tracking issue for Weak::into_raw/from_raw & similar

B-unstable C-tracking-issue T-libs disposition-merge finished-final-comment-period

Make a pdf version of the std api reference.

C-feature-request T-doc T-rustdoc

Hide `found a, expected b` label when suggestion is provided

A-diagnostics C-enhancement S-waiting-on-bikeshed T-compiler

Clippy ICE on Windows 10, Rust 1.34 (also cargo check)

A-mir I-ICE T-compiler

Tracking Issue for stabilizing Profile-Guided Optimization support

A-codegen C-tracking-issue T-compiler WG-codegen metabug

Fix stack probing for x32

A-LLVM C-bug O-x32 T-compiler

Tracking issue for HashMap::drain_filter and HashSet::drain_filter (hash_drain_filter)

A-collections C-feature-request T-libs

Reading a CString safely without overhead from Read

A-ffi C-feature-request T-libs

Unused function warnings should return a span of only the function name

A-diagnostics A-lint D-papercut E-easy T-compiler