diff --git a/testsuite/compiler/check/strMatch/strMatch.gf b/testsuite/compiler/check/strMatch/strMatch.gf
new file mode 100644
index 000000000..c1d2bc4b9
--- /dev/null
+++ b/testsuite/compiler/check/strMatch/strMatch.gf
@@ -0,0 +1,5 @@
+abstract strMatch = {
+  cat S ;
+  fun f : S -> S ;
+      z : S ;
+}
\ No newline at end of file
diff --git a/testsuite/compiler/check/strMatch/strMatch.gfs b/testsuite/compiler/check/strMatch/strMatch.gfs
new file mode 100644
index 000000000..8f039c1de
--- /dev/null
+++ b/testsuite/compiler/check/strMatch/strMatch.gfs
@@ -0,0 +1,2 @@
+i testsuite/compiler/check/strMatch/strMatch.gf
+l f z
\ No newline at end of file
diff --git a/testsuite/compiler/check/strMatch/strMatchCnc.gf b/testsuite/compiler/check/strMatch/strMatchCnc.gf
new file mode 100644
index 000000000..c1a21b4af
--- /dev/null
+++ b/testsuite/compiler/check/strMatch/strMatchCnc.gf
@@ -0,0 +1,8 @@
+concrete strMatchCnc of strMatch = open Prelude in {
+  lincat S = {s : Str; b : Bool} ;
+  lin f x = case x.s of {
+              "" => {s="empty"; b=False} ;
+              _  => x
+            } ;
+  lin z = {s=""; b=False} ;
+}
\ No newline at end of file