Adding List.update unit test only for MInt{64}

Author: Robertorosmaninho

test/defn/k-files/mints-hook/list-update.k

@@ -0,0 +1,18 @@
+module LIST-UPDATE
+
+imports INT
+imports MINT
+imports BOOL
+imports LIST
+imports K-EQUAL
+
+    syntax MInt{64}
+
+    syntax List ::= "listOfMInt" [macro]
+    rule listOfMInt => ListItem(2p64) (ListItem(3p64) (ListItem(4p64) .List))
+
+    syntax Bool ::= "testListUpdate" [function]
+    // This function only support MInt{64} for now, use MInt{256} can cause undefined behavior
+    rule testListUpdate => listOfMInt[2p64 <- 10p64] ==K listOfMInt[2 <- 10p64]
+
+endmodule