Added command line tests for keccak optimization with low runs

The value of keccak256(0, 32) should not be replaced by the big constant

test/cmdlineTests/keccak_optimization_deploy_code/input.sol

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-v3
+pragma solidity >= 0.0.0;
+
+contract C {
+    constructor() {
+        assembly {
+            mstore(0, 100)
+            // because this is part of deploy code, the keccak will not be evaluated
+            sstore(0, keccak256(0, 32))
+        }
+    }
+
+    fallback() external {
+        assembly {
+            mstore(0, 100)
+            // The keccak here would be evaluated
+            sstore(0, keccak256(0, 32))
+        }
+
+    }
+}