1 files changed, 12 insertions, 0 deletions

diff --git a/test-suite/output/Error_msg_diffs.out b/test-suite/output/Error_msg_diffs.out
new file mode 100644
index 0000000000..3e337e892d
--- /dev/null
+++ b/test-suite/output/Error_msg_diffs.out
@@ -0,0 +1,12 @@
+File "stdin", line 32, characters 0-12:
+Error:
+In environment
+T : Type
+p : T -> bool
+a : T
+t1, t2 : btree T
+IH1 : count p (rev_tree t1) = count p t1
+IH2 : count p (rev_tree t2) = count p t2
+Unable to unify "(if p a then 1 else 0) + (count p t1 + count p t2)" with
+ "(if p a then 1 else 0) + (count p t2 + count p t1)".
+