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2 commits

Author SHA1 Message Date
Vadim Petrochenkov
b39e188dda Stabilize proc macros generating macro_rules items 2019-10-15 10:03:51 +03:00
Julien Cretin
df4b23e721 Implement slow-path for FirstSets::first
When 2 or more sequences share the same span, we can't use the precomputed map
for their first set. So we compute it recursively.

Fixes #62831.
2019-07-25 23:28:47 +02:00