Avoid repetition on “use of unstable library feature 'rustc_private'”#45540

Merged

bors merged 4 commits intorust-lang:masterfrom

virgil-palanciuc:master

Oct 28, 2017

Commits on Oct 25, 2017

fix #44953 - The “use of unstable library feature 'rustc_private'” error is very repetitive
Virgil Palanciuc
committed

Commits on Oct 26, 2017

relax restriction - allow errors to be emmitted within macro spans, as long as the same error message has not been used before (i.e. use the None as the span key, for errors that occur within macros)
Virgil Palanciuc
committed

Commits on Oct 28, 2017

implemented code review
Virgil Palanciuc
committed
fixed tidy error
Virgil Palanciuc
committed