diff options
| -rw-r--r-- | engine/evarutil.ml | 3 | ||||
| -rw-r--r-- | test-suite/bugs/closed/bug_13348.v | 10 |
2 files changed, 12 insertions, 1 deletions
diff --git a/engine/evarutil.ml b/engine/evarutil.ml index 771571fd3f..ba6a9ea6d9 100644 --- a/engine/evarutil.ml +++ b/engine/evarutil.ml @@ -371,7 +371,8 @@ let push_rel_decl_to_named_context let subst = update_var id0 id subst in let d = decl |> NamedDecl.of_rel_decl (fun _ -> id0) |> map_decl (csubst_subst subst) in let nc = replace_var_named_declaration id0 id nc in - (push_var id0 subst, Id.Set.add id avoid, push_named_context_val d nc) + let avoid = Id.Set.add id (Id.Set.add id0 avoid) in + (push_var id0 subst, avoid, push_named_context_val d nc) | Some id0 when hypnaming = FailIfConflict -> user_err Pp.(Id.print id0 ++ str " is already used.") | _ -> diff --git a/test-suite/bugs/closed/bug_13348.v b/test-suite/bugs/closed/bug_13348.v new file mode 100644 index 0000000000..d3d5d3e5b4 --- /dev/null +++ b/test-suite/bugs/closed/bug_13348.v @@ -0,0 +1,10 @@ +Generalizable All Variables. + +Class Inhabited (A : Type) : Type := populate { inhabitant : A }. +Arguments populate {_} _. + +Set Mangle Names. +Axioms _0 _1 _2 : Prop. + +Instance impl_inhabited {A} {B} {_3:Inhabited B} : Inhabited (A -> B) + := populate (fun _ => inhabitant). |