Add forgotten unit tests for the identifier substitution fiasco

unit_tests/regression.suite/aggressive-local-removal.lsl

@@ -0,0 +1,25 @@
+default
+{
+    state_entry()
+    {
+        list L1 = [1, 2, 3, 4, 5];
+        integer N = llGetListLength(L1);
+        integer i;
+        for (i = 0; i < N; i++)
+        {
+            llOwnerSay(llList2String(L1, i));
+            L1 = llDeleteSubList(L1, -1, -1);
+        }
+
+        // Swap two variables
+        integer u = llGetLinkNumber();
+        integer v = llGetNumberOfPrims();
+        if (llFrand(1) < 0.5)
+        {
+            integer temp = u;
+            u = v;
+            v = temp;
+        }
+        llOwnerSay((string)u+(string)v);
+    }
+}