diff options
| author |  Matthieu Sozeau <matthieu.sozeau@inria.fr> | 2016-05-30 23:52:58 +0200 |
|---|---|---|
| committer |  Matthieu Sozeau <mattam@mattam.org> | 2016-06-29 11:52:52 +0200 |
| commit | c200c2b41e88dd7d4a1b9e90e0c35a7ed047309c (patch) | |
| tree | 1ff729200d9e587ace74d4b83611af4a69e6afdf /test-suite/bugs/closed/4726.v | |
| parent | d4cdb7e41844e1bb77bac9a7b9df423364b996e2 (diff) | |
Univs: Fix bug #4726
When using Record and an explicit sort constraint, the
universe was wrongly made flexible and minimized.
Diffstat (limited to 'test-suite/bugs/closed/4726.v')
| -rw-r--r-- | test-suite/bugs/closed/4726.v | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/4726.v b/test-suite/bugs/closed/4726.v new file mode 100644 index 000000000..0037b6fde --- /dev/null +++ b/test-suite/bugs/closed/4726.v @@ -0,0 +1,19 @@ +Set Universe Polymorphism. + +Definition le@{i j} : Type@{j} := + (fun A : Type@{j} => A) + (unit : Type@{i}). +Definition eq@{i j} : Type@{j} := let x := le@{i j} in le@{j i}. + +Record Inj@{i j} (A : Type@{i}) (B : Type@{j}) : Type@{j} := + { inj : A }. + +Monomorphic Universe u1. +Let ty1 : Type@{u1} := Set. +Check Inj@{Set u1}. +(* Would fail with univ inconsistency if the universe was minimized *) + +Record Inj'@{i j} (A : Type@{i}) (B : Type@{j}) : Type@{j} := + { inj' : A; foo : Type@{j} := eq@{i j} }. +Fail Check Inj'@{Set u1}. (* Do not drop constraint i = j *) +Check Inj'@{Set Set}. |