Repro for 9115

test/GasReport.t.sol

@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
+import {UnsafeUpgrades} from "openzeppelin-foundry-upgrades/Upgrades.sol";
+import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
+import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol";
+
+import "forge-std/Test.sol";
+
+contract CheapDeposit is Initializable, UUPSUpgradeable {
+    uint256 public amount;
+
+    function initialize(uint256 _amount) public initializer {
+        amount = _amount;
+    }
+
+    function _authorizeUpgrade(address newImplementation) internal override {}
+
+    function deposit(uint256 amount) external {
+        amount = amount * 2;
+    }
+}
+
+contract ExpensiveDeposit is Initializable, UUPSUpgradeable {
+    uint256 public amount;
+
+    function initialize(uint256 _amount) public initializer {
+        amount = _amount;
+    }
+
+    function _authorizeUpgrade(address newImplementation) internal override {}
+
+    function deposit(uint256 amount) external {
+        amount = amount * 10;
+    }
+}
+
+contract GasReportTest is Test {
+    function test_gas_report() public {
+        CheapDeposit cheap = CheapDeposit(
+            UnsafeUpgrades.deployUUPSProxy(
+                address(new CheapDeposit()),
+                abi.encodeCall(CheapDeposit.initialize, (600_000))
+            )
+        );
+        ExpensiveDeposit expensive = ExpensiveDeposit(
+            UnsafeUpgrades.deployUUPSProxy(
+                address(new ExpensiveDeposit()),
+                abi.encodeCall(ExpensiveDeposit.initialize, (600_000))
+            )
+        );
+        cheap.deposit(1);
+        expensive.deposit(1);
+    }
+}