From 7cfc4e5146be5666419451bdd516f1f3f264d24a Mon Sep 17 00:00:00 2001 From: Enrico Tassi Date: Sun, 25 Jan 2015 14:42:51 +0100 Subject: Imported Upstream version 8.5~beta1+dfsg --- test-suite/failure/cofixpoint.v | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 test-suite/failure/cofixpoint.v (limited to 'test-suite/failure/cofixpoint.v') diff --git a/test-suite/failure/cofixpoint.v b/test-suite/failure/cofixpoint.v new file mode 100644 index 00000000..cb39893f --- /dev/null +++ b/test-suite/failure/cofixpoint.v @@ -0,0 +1,15 @@ +(* A bug in the guard checking of nested cofixpoints. *) +(* Posted by Maxime Dénès on coqdev (Apr 9, 2014). *) + +CoInductive CoFalse := . + +CoInductive CoTrue := I. + +Fail CoFixpoint loop : CoFalse := + (cofix f := loop with g := loop for f). + +Fail CoFixpoint loop : CoFalse := + (cofix f := I with g := loop for g). + +Fail CoFixpoint loop : CoFalse := + (cofix f := loop with g := I for f). \ No newline at end of file -- cgit v1.2.3