From 5c7163d2ee1412fa5af523fbcd275518fc61fbde Mon Sep 17 00:00:00 2001 From: Pierre-Marie Pédrot Date: Sun, 30 Apr 2017 12:14:38 +0200 Subject: Fix bug #5501: Universe polymorphism breaks proof involving auto. A universe substitution was lacking as the normalized evar map was dropped. --- test-suite/bugs/closed/5501.v | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 test-suite/bugs/closed/5501.v (limited to 'test-suite') diff --git a/test-suite/bugs/closed/5501.v b/test-suite/bugs/closed/5501.v new file mode 100644 index 0000000000..24739a3658 --- /dev/null +++ b/test-suite/bugs/closed/5501.v @@ -0,0 +1,21 @@ +Set Universe Polymorphism. + +Record Pred@{A} := + { car :> Type@{A} + ; P : car -> Prop + }. + +Class All@{A} (A : Pred@{A}) : Type := + { proof : forall (a : A), P A a + }. + +Record Pred_All@{A} : Type := + { P' :> Pred@{A} + ; P'_All : All P' + }. + +Global Instance Pred_All_instance (A : Pred_All) : All A := P'_All A. + +Definition Pred_All_proof {A : Pred_All} (a : A) : P A a. +Proof. +solve[auto using proof]. -- cgit v1.2.3