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authorPierre-Marie Pédrot2020-10-11 14:37:19 +0200
committerPierre-Marie Pédrot2020-10-11 14:38:24 +0200
commitbdd2b322d26419ee9944b804e580d5b039631569 (patch)
tree2129443444ce9f490ac2813b33b040624685060d /pretyping
parent516a7009b08c443a74ef7f3175fff1337e71b668 (diff)
Fix #13169: vm_compute has existential crisis.
We simply use evars instance in the right order while reading back VM values.
Diffstat (limited to 'pretyping')
-rw-r--r--pretyping/vnorm.ml3
1 files changed, 2 insertions, 1 deletions
diff --git a/pretyping/vnorm.ml b/pretyping/vnorm.ml
index 900ba0edb9..1420401875 100644
--- a/pretyping/vnorm.ml
+++ b/pretyping/vnorm.ml
@@ -218,7 +218,8 @@ and nf_evar env sigma evk stk =
let t = List.fold_left fold concl hyps in
let t, args = nf_args env sigma args t in
let inst, args = Array.chop (List.length hyps) args in
- let inst = Array.to_list inst in
+ (* Evar instances are reversed w.r.t. argument order *)
+ let inst = Array.rev_to_list inst in
let c = mkApp (mkEvar (evk, inst), args) in
nf_stk env sigma c t stk
| _ ->