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author | Maxime Dénès <mail@maximedenes.fr> | 2017-11-08 12:39:34 +0100 |
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committer | Maxime Dénès <mail@maximedenes.fr> | 2017-11-08 12:39:34 +0100 |
commit | 7e42041f5c4711a9fece32ce601ef99ca8ab272f (patch) | |
tree | f2330be6cbe2a8d0be1a7de17875c7ed62770e1f /pretyping/unification.ml | |
parent | 0d81e80a09db7d352408be4dfc5ba263f6ed98ef (diff) | |
parent | dd56ef10395a2ced84612aa799690b034306806e (diff) |
Merge PR #922: New beta-iota compatibility refinements
Diffstat (limited to 'pretyping/unification.ml')
-rw-r--r-- | pretyping/unification.ml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pretyping/unification.ml b/pretyping/unification.ml index e8f7e2bba..86ebc1f01 100644 --- a/pretyping/unification.ml +++ b/pretyping/unification.ml @@ -194,6 +194,10 @@ let pose_all_metas_as_evars env evd t = let {rebus=ty;freemetas=mvs} = Evd.meta_ftype evd mv in let ty = EConstr.of_constr ty in let ty = if Evd.Metaset.is_empty mvs then ty else aux ty in + let ty = + if Flags.version_strictly_greater Flags.V8_6 || Flags.version_less_or_equal Flags.VOld + then nf_betaiota evd ty (* How it was in Coq <= 8.4 (but done in logic.ml at this time) *) + else ty (* some beta-iota-normalization "regression" in 8.5 and 8.6 *) in let src = Evd.evar_source_of_meta mv !evdref in let ev = Evarutil.e_new_evar env evdref ~src ty in evdref := meta_assign mv (EConstr.Unsafe.to_constr ev,(Conv,TypeNotProcessed)) !evdref; |