fix: the AAVE optimizer bug

solidity/simple/aave.sol

@@ -0,0 +1,30 @@
+//! { "cases": [ {
+//!     "name": "first",
+//!     "inputs": [
+//!         {
+//!             "method": "first",
+//!             "calldata": [
+//!                 "0x3c",
+//!                 "4"
+//!             ]
+//!         }
+//!     ],
+//!     "expected": [
+//!         "0x2c"
+//!     ]
+//! } ] }
+
+// SPDX-License-Identifier: MIT
+
+pragma solidity >=0.4.16;
+
+contract Test {
+    function first(
+        uint256 data,
+        uint256 reserveIndex
+    ) public pure returns(uint256) {
+        uint256 bit = 1 << reserveIndex;
+        data &= ~bit;
+        return data;
+    }
+}