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authorBrian Campbell2018-08-03 15:04:18 +0100
committerBrian Campbell2018-08-03 15:04:18 +0100
commitbaabef2bc2d39fc47ba47cd2ac5305856dd212a2 (patch)
treee4d90f0eb109b0cf4e1eff6d21073720ea9f29b4 /lib
parent2cb15665392d0b87da9e0c1f43e19267f28c3a82 (diff)
Coq: use a dummy constraint when the real one is unknown
Not really what we want, but a useful placeholder because of the widespread use of ex_int.
Diffstat (limited to 'lib')
-rw-r--r--lib/coq/Sail2_values.v3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/coq/Sail2_values.v b/lib/coq/Sail2_values.v
index acd11b45..e4fff741 100644
--- a/lib/coq/Sail2_values.v
+++ b/lib/coq/Sail2_values.v
@@ -1017,7 +1017,8 @@ Ltac prepare_for_solver :=
Ltac solve_arithfact :=
prepare_for_solver;
(*dump_context;*)
- solve [apply ArithFact_mword; assumption
+ solve [ match goal with |- ArithFact (?x _) => is_evar x; idtac "Warning: unknown constraint"; instantiate (1 := fun _ => True); constructor; constructor end
+ | apply ArithFact_mword; assumption
| constructor; omega with Z
(* The datatypes hints give us some list handling, esp In *)
| constructor; eauto 3 with datatypes zarith sail