diff options
Diffstat (limited to 'test-suite/bugs/closed/HoTT_coq_023.v')
-rw-r--r-- | test-suite/bugs/closed/HoTT_coq_023.v | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/HoTT_coq_023.v b/test-suite/bugs/closed/HoTT_coq_023.v new file mode 100644 index 00000000..b52140de --- /dev/null +++ b/test-suite/bugs/closed/HoTT_coq_023.v @@ -0,0 +1,12 @@ +Set Universe Polymorphism. + +Record Type_Over (X : Type) +:= { Domain :> Type; + proj : Domain -> X }. + +Definition Self_Over (X : Type) + := {| Domain := X; proj := (fun x => x) |}. + +Canonical Structure Self_Over. (* fails with Anomaly: Mismatched instance and context when building universe substitution. Please report. for polymorphic structures *) +(* if monomorphic, Warning: No global reference exists for projection + valuefun x : _UNBOUND_REL_1 => x in instance Self_Over of proj, ignoring it. *) |