Top rust issues

Constants and statics are not required to be Sized.

I-ICE T-lang

Add RISC-V support

Tracking issue for adding a `lifetime` specifier to `macro_rules!`

B-RFC-approved B-unstable C-tracking-issue E-help-wanted T-lang disposition-merge finished-final-comment-period

Please provide a portable isatty function for stdin/stdout/stderr

C-feature-request T-libs

Tracking issue for std::sync::Once poisoning

A-concurrency B-unstable C-tracking-issue Libs-Tracked T-libs disposition-merge finished-final-comment-period

Lint for types where cleanup before drop is desirable

C-feature-request T-compiler T-lang

Tracking issue for rustbuild, the alternate build system for rustc

A-rustbuild metabug

Tracking issue for `#[deprecated]`

B-unstable T-libs final-comment-period

Unwinding through `fn()` references across crates causes the behavior to depend on the optimization level

A-LLVM A-codegen I-unsound 💥 P-high T-compiler

Inconsistent evaluation order for assignment operations

A-NLL A-borrow-checker C-bug E-mentor I-unsound 💥 NLL-fixed-by-NLL P-medium T-lang