diff options
Diffstat (limited to 'test-suite/bugs/closed/bug_9000.v')
| -rw-r--r-- | test-suite/bugs/closed/bug_9000.v | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/bug_9000.v b/test-suite/bugs/closed/bug_9000.v new file mode 100644 index 0000000000..e239c8b1fe --- /dev/null +++ b/test-suite/bugs/closed/bug_9000.v @@ -0,0 +1,17 @@ +Set Primitive Projections. +Class type (t : Type) : Type := + { bar : t -> Prop }. + +Instance type_nat : type nat := + { bar := fun _ => True }. + +Definition foo_bar {n : nat} : bar n := I. + +#[local] Hint Resolve (@foo_bar) : typeclass_instances. +#[local] Hint Resolve I : typeclass_instances. +Check ltac:(typeclasses eauto with nocore typeclass_instances) : True. +Check ltac:(typeclasses eauto with nocore typeclass_instances foo) : bar _. +Existing Class bar. +Check ltac:(typeclasses eauto with nocore typeclass_instances foo) : bar _. +#[local] Hint Resolve (@foo_bar) : foo. +Check ltac:(typeclasses eauto with nocore typeclass_instances foo) : bar _. |