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diff --git a/test-suite/bugs/closed/bug_10812.v b/test-suite/bugs/closed/bug_10812.v
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+++ b/test-suite/bugs/closed/bug_10812.v
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+(* subst with indirectly dependent section variables *)
+
+Section A.
+
+Variable a:nat.
+Definition b := a.
+
+Goal a=1 -> a+a=1 -> b=1.
+intros.
+Fail subst a. (* was working; we make it failing *)
+rewrite H in H0.
+discriminate.
+Qed.
+
+Goal a=1 -> a+a=1 -> b=1.
+intros.
+subst. (* should not apply to a *)
+rewrite H in H0.
+discriminate.
+Qed.
+
+Goal forall t, a=t -> b=t.
+intros.
+subst.
+reflexivity.
+Qed.
+
+End A.