diff options
| -rw-r--r-- | doc/changelog/06-ssreflect/12857-changelog-for-12857.rst | 8 | ||||
| -rw-r--r-- | tactics/tactics.ml | 4 |
2 files changed, 11 insertions, 1 deletions
diff --git a/doc/changelog/06-ssreflect/12857-changelog-for-12857.rst b/doc/changelog/06-ssreflect/12857-changelog-for-12857.rst new file mode 100644 index 0000000000..4350fd0238 --- /dev/null +++ b/doc/changelog/06-ssreflect/12857-changelog-for-12857.rst @@ -0,0 +1,8 @@ +- **Fixed:** + Regression in error reporting after :tacn:`case <case (ssreflect)>`. + A generic error message "Could not fill dependent hole in apply" was + reported for any error following :tacn:`case <case (ssreflect)>` or + :tacn:`elim <elim (ssreflect)>` + (`#12857 <https://github.com/coq/coq/pull/12857>`_, + fixes `#12837 <https://github.com/coq/coq/issues/12837>`_, + by Enrico Tassi). diff --git a/tactics/tactics.ml b/tactics/tactics.ml index 686779b1d2..a607c09010 100644 --- a/tactics/tactics.ml +++ b/tactics/tactics.ml @@ -724,7 +724,9 @@ type hyp_conversion = | StableHypConv (** Does not introduce new dependencies on variables *) | LocalHypConv (** Same as above plus no dependence on the named environment *) -let e_change_in_hyps ~check ~reorder f args = +let e_change_in_hyps ~check ~reorder f args = match args with +| [] -> Proofview.tclUNIT () +| _ :: _ -> Proofview.Goal.enter begin fun gl -> let env = Proofview.Goal.env gl in let sigma = Tacmach.New.project gl in |