1 files changed, 13 insertions, 0 deletions
diff --git a/test/regress/regress1/strings/str007.smt2 b/test/regress/regress1/strings/str007.smt2
new file mode 100644
index 000000000..a7173701a
--- /dev/null
+++ b/test/regress/regress1/strings/str007.smt2
@@ -0,0 +1,13 @@
+(set-logic QF_S)
+(set-info :status unsat)
+
+(declare-fun x () String)
+(declare-fun y () String)
+
+
+(assert (or (= x y) (= x y)))
+
+(assert (= (str.++ x "ba") (str.++ "ab" x)))
+(assert (= (str.++ y "ab") (str.++ "ab" y)))
+
+(check-sat)