fix: remove the branch replacing call(0x04) with memcopy

.gitmodules

@@ -1,7 +1,7 @@
 [submodule "tests"]
     path = tests
     url = https://github.com/matter-labs/era-compiler-tests
-    branch = main
+    branch = az-identity-precompile-no-memcopy
 [submodule "solidity"]
     path = solidity
     url = https://github.com/ethereum/solidity

compiler_tester/Cargo.toml

@@ -48,10 +48,10 @@ vm2 = { git = "https://github.com/matter-labs/vm2", optional = true, package = "
 
 era-compiler-common = { git = "https://github.com/matter-labs/era-compiler-common", branch = "main" }
 era-compiler-downloader = { git = "https://github.com/matter-labs/era-compiler-common", branch = "main" }
-era-compiler-llvm-context = { git = "https://github.com/matter-labs/era-compiler-llvm-context", branch = "main" }
-era-compiler-solidity = { git = "https://github.com/matter-labs/era-compiler-solidity", branch = "main" }
-era-solc = { git = "https://github.com/matter-labs/era-compiler-solidity", branch = "main" }
-era-compiler-vyper = { git = "https://github.com/matter-labs/era-compiler-vyper", branch = "main" }
+era-compiler-llvm-context = { git = "https://github.com/matter-labs/era-compiler-llvm-context", branch = "az-identity-precompile-no-memcopy" }
+era-compiler-solidity = { git = "https://github.com/matter-labs/era-compiler-solidity", branch = "az-identity-precompile-no-memcopy" }
+era-solc = { git = "https://github.com/matter-labs/era-compiler-solidity", branch = "az-identity-precompile-no-memcopy" }
+era-compiler-vyper = { git = "https://github.com/matter-labs/era-compiler-vyper", branch = "az-identity-precompile-no-memcopy" }
 
 solidity-adapter = { path = "../solidity_adapter" }
 benchmark-analyzer = { path = "../benchmark_analyzer" }

compiler_tester/src/vm/eravm/system_contracts.rs

@@ -59,6 +59,9 @@ impl SystemContracts {
     const PATH_SHA256: &'static str =
         "era-contracts/system-contracts/contracts/precompiles/SHA256.yul";
 
+    /// The `identity` system contract implementation path.
+    const PATH_IDENTITY: &'static str = "tests/solidity/simple/system/identity.sol:Identity";
+
     /// The `ecadd` system contract implementation path.
     const PATH_ECADD: &'static str =
         "era-contracts/system-contracts/contracts/precompiles/EcAdd.yul";
@@ -194,6 +197,10 @@ impl SystemContracts {
 
         let solidity_system_contracts = vec![
             (web3::types::Address::zero(), Self::PATH_EMPTY_CONTRACT),
+            (
+                web3::types::Address::from_low_u64_be(zkevm_opcode_defs::ADDRESS_IDENTITY.into()),
+                Self::PATH_IDENTITY,
+            ),
             (
                 web3::types::Address::from_low_u64_be(
                     zkevm_opcode_defs::ADDRESS_ACCOUNT_CODE_STORAGE.into(),
@@ -274,8 +281,9 @@ impl SystemContracts {
             debug_config.clone(),
         )?;
 
-        let mut solidity_file_paths = Vec::with_capacity(solidity_system_contracts.len() + 1);
+        let mut solidity_file_paths = Vec::with_capacity(solidity_system_contracts.len() + 2);
         for pattern in [
+            "tests/solidity/simple/system/identity.sol",
             "era-contracts/system-contracts/contracts/*.sol",
             "era-contracts/system-contracts/contracts/libraries/**/*.sol",
             "era-contracts/system-contracts/contracts/interfaces/**/*.sol",