diff options
-rw-r--r-- | pretyping/patternops.ml | 4 | ||||
-rw-r--r-- | test-suite/bugs/closed/5345.v | 7 | ||||
-rw-r--r-- | test-suite/success/ltac_match_pattern_names.v | 28 |
3 files changed, 38 insertions, 1 deletions
diff --git a/pretyping/patternops.ml b/pretyping/patternops.ml index 9dcb5d2a5..977d3dae1 100644 --- a/pretyping/patternops.ml +++ b/pretyping/patternops.ml @@ -404,7 +404,9 @@ let rec pat_of_raw metas vars = function and pats_of_glob_branches loc metas vars ind brs = let get_arg = function - | PatVar(_,na) -> na + | PatVar(_,na) -> + name_iter (fun n -> metas := n::!metas) na; + na | PatCstr(loc,_,_,_) -> err ~loc (Pp.str "Non supported pattern.") in let rec get_pat indexes = function diff --git a/test-suite/bugs/closed/5345.v b/test-suite/bugs/closed/5345.v new file mode 100644 index 000000000..d8448f35d --- /dev/null +++ b/test-suite/bugs/closed/5345.v @@ -0,0 +1,7 @@ +Ltac break_tuple := + match goal with + | [ H: context[match ?a with | pair n m => _ end] |- _ ] => + let n := fresh n in + let m := fresh m in + destruct a as [n m] + end. diff --git a/test-suite/success/ltac_match_pattern_names.v b/test-suite/success/ltac_match_pattern_names.v new file mode 100644 index 000000000..736329496 --- /dev/null +++ b/test-suite/success/ltac_match_pattern_names.v @@ -0,0 +1,28 @@ +(* example from bug 5345 *) +Ltac break_tuple := + match goal with + | [ H: context[let '(n, m) := ?a in _] |- _ ] => + let n := fresh n in + let m := fresh m in + destruct a as [n m] + end. + +(* desugared version of break_tuple *) +Ltac break_tuple' := + match goal with + | [ H: context[match ?a with | pair n m => _ end] |- _ ] => + let n := fresh n in + let m := fresh m in + idtac + end. + +Ltac multiple_branches := + match goal with + | [ H: match _ with + | left P => _ + | right Q => _ + end |- _ ] => + let P := fresh P in + let Q := fresh Q in + idtac + end.
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