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| author |  Matthieu Sozeau <mattam@mattam.org> | 2014-05-09 12:40:32 +0200 |
|---|---|---|
| committer | Matthieu Sozeau <mattam@mattam.org> | 2014-05-09 12:40:32 +0200 |
| commit | 3ffbaec15938bd2dc92753ac3c1e2cc097811f50 (patch) | |
| tree | 31592728e7a97744a7f53565ad6ee22a4a653ce2 /pretyping/unification.ml | |
| parent | b1c0584f24cb3732e1704a85452f4fe535e50f33 (diff) | |
Fix second-order matching to properly check that the predicate found by
abstraction has the right type. Fixes bug# 3306.
Add test-suite files for bugs 3305 and 3306.
Diffstat (limited to 'pretyping/unification.ml')
| -rw-r--r-- | pretyping/unification.ml | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/pretyping/unification.ml b/pretyping/unification.ml index 7eca9f2ce..7b6fb262a 100644 --- a/pretyping/unification.ml +++ b/pretyping/unification.ml @@ -92,8 +92,11 @@ let abstract_list_all_with_dependencies env evd typ c l = let evd,b = Evarconv.second_order_matching empty_transparent_state env evd ev' argoccs c in - let p = nf_evar evd (existential_value evd (destEvar ev)) in - if b then evd, p else error_cannot_find_well_typed_abstraction env evd p l None + if b then + let p = nf_evar evd (existential_value evd (destEvar ev)) in + evd, p + else error_cannot_find_well_typed_abstraction env evd + (nf_evar evd c) l None (**) |