[experiment] Eagerly expand cfg and cfg_attr in all attribute inputs - #85073

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petrochenkov wants to merge 3 commits into

rust-lang:masterfrom

petrochenkov:eagercfg

Commits on May 30, 2021

Move `cfg_eval` stuff back to `rustc_expand`
petrochenkov
committed
ca40d7d
[experiment] Eagerly expand `cfg` and `cfg_attr` in all attribute inputs
petrochenkov
committed
b224261
parser: Ensure that all nonterminals have tokens after parsing
petrochenkov
committed
f0dbe14