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replace the leak check with universes, take 2 - #65232

Merged

bors merged 10 commits into

rust-lang:masterfrom

nikomatsakis:lazy-norm-anon-const-push-2

Feb 8, 2020

Merged

replace the leak check with universes, take 2#65232
bors merged 10 commits into
rust-lang:masterfrom
nikomatsakis:lazy-norm-anon-const-push-2

Commits on Feb 6, 2020
- do not limit NiceRegionError to SubSupConflict or ConcreteFailure
  nikomatsakis
  committed
  82c1435
- add a `IsEmpty` for use in verified bounds
  nikomatsakis
  committed
  65fc086
- don't mention specific region numbers in the ~ERROR message
  nikomatsakis
  committed
  03b2fff
- integrate the `sub_free_regions` code so we have only one copy of it
  nikomatsakis
  committed
  b52414f
- index ReEmpty by universe
  nikomatsakis
  committed
  534f044
- use derive(Debug) for TypeTrace
  nikomatsakis
  committed
  6bc79c9
- apply various formatting nits
  nikomatsakis
  committed
  5e0197f
- add the ability to skip leak check within a snapshot
  nikomatsakis
  committed
  e9c7894
- lint impls that will become incoherent when leak-check is removed
  nikomatsakis
  committed
  363faba
- make lint warn by default
  nikomatsakis
  committed
  4b3c66d