Tracking issue for naked fns (RFC #1201)

[nikomatsakis]

This is the tracking issue for rust-lang/rfcs#1201.

Note that this is intended as a (particularly) experimental feature.

Feedback on its design is required, as well as comparisons with global asm.

[jackpot51]

This issue was partially addressed by #29189

[jackpot51]

#32410 is an up to date implementation

[ranma42]

It might be a little late to point it out, but the RFC does not say anything about the interaction between naked functions and unwinding/panics.

[nikomatsakis]

Note that global-asm has also been added, which overlaps somewhat with naked fns.