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-rw-r--r--arm/Machregs.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/arm/Machregs.v b/arm/Machregs.v
index f5b5329..317515c 100644
--- a/arm/Machregs.v
+++ b/arm/Machregs.v
@@ -45,7 +45,7 @@ Inductive mreg: Type :=
| FT1: mreg (* F6 *) | FT2: mreg (* F7 *).
Lemma mreg_eq: forall (r1 r2: mreg), {r1 = r2} + {r1 <> r2}.
-Proof. decide equality. Qed.
+Proof. decide equality. Defined.
Definition mreg_type (r: mreg): typ :=
match r with