Top rust issues

consider disallowing setting target_family if target_os=none

A-codegen

Add item suggestions for broken intra doc links

A-diagnostics A-intra-doc-links A-suggestion-diagnostics C-enhancement T-rustdoc

intra-rustdoc-link: Cannot use core in core crate

A-intra-doc-links D-confusing T-rustdoc

Document guarantees (or lack thereof) regarding sign, quietness, and payload of `NaN`s

A-LLVM A-floating-point T-lang

[stable regression] #[should_panic] tests segfault in certain OS X configurations with 1.44.0

A-runtime C-bug O-macos P-high libs-impl regression-from-stable-to-stable

No rustc or cargo for aarch64-pc-windows-msvc

O-ARM O-windows-msvc T-infra

UX improvements around const usage and error lints

A-const-eval A-diagnostics A-lint C-bug T-compiler

Conditional jumps equivalent to if(0 != 0) can appear in optimized assembly

A-LLVM A-codegen C-bug E-needs-bisection I-slow ICEBreaker-LLVM P-medium T-compiler regression-from-stable-to-stable

Comparing to infinity is buggy on x87

A-codegen A-floating-point C-bug I-unsound 💥 O-x86 P-medium T-compiler

`rustfmt` no longer builds after rust-lang/rust#69659

C-bug