one more test

testsuite/compiler/compute/string_matching.gfs

@@ -26,3 +26,4 @@ cc <case "xybbbbb" of {x + "b"* => x; _ => "?"} : Str>
 cc <case "xyababbbab" of {x + #ab_patt* => x; _ => "?"} : Str>
 cc test "abcd"
 cc test "xyz"
+cc <\x -> case x of {"q1" => Q1; _ => Q2} : Str -> Q>

testsuite/compiler/compute/string_matching.gfs.gold

@@ -25,3 +25,7 @@ param_table.Q2
 "xy"
 param_table.Q1
 param_table.Q2
+\v0 -> case <v0 : Str> of {
+         "q1" => param_table.Q1;
+         _ => param_table.Q2
+       }