Fix wrong cleanup when copying from calldata to memory

Co-authored-by: Kamil Śliwak <kamil.sliwak@codepoets.it>

test/libsolidity/semanticTests/abiEncoderV1/abi_encode_calldata_slice.sol

@@ -59,10 +59,10 @@ contract C {
 // EVMVersion: >homestead
 // ----
 // test_bytes() ->
-// gas irOptimized: 367365
-// gas legacy: 416585
-// gas legacyOptimized: 322043
+// gas irOptimized: 362445
+// gas legacy: 414569
+// gas legacyOptimized: 319271
 // test_uint256() ->
-// gas irOptimized: 515982
-// gas legacy: 583100
-// gas legacyOptimized: 444161
+// gas irOptimized: 511910
+// gas legacy: 581876
+// gas legacyOptimized: 442757

test/libsolidity/semanticTests/abiEncoderV1/calldata_bytes_bytes32_arrays.sol

@@ -0,0 +1,14 @@
+pragma abicoder v1;
+
+contract C {
+    function f(bool a, bytes calldata b, bytes32[2] calldata c)
+        public
+        returns (bool, bytes calldata, bytes32[2] calldata)
+    {
+        return (a, b, c);
+    }
+}
+// ====
+// compileViaYul: false
+// ----
+// f(bool,bytes,bytes32[2]): true, 0x80, "a", "b", 4, "abcd" -> true, 0x80, "a", "b", 4, "abcd"

test/libsolidity/semanticTests/abiEncoderV1/memory_dynamic_array_and_calldata_bytes.sol

@@ -0,0 +1,17 @@
+pragma abicoder v1;
+
+contract C {
+    function f(uint256[] memory a, bytes calldata b) public returns (bytes memory) {
+        return abi.encode(a, b);
+    }
+
+    function g(uint256[] memory a, bytes calldata b) external returns (bytes memory) {
+        return f(a, b);
+    }
+}
+
+// ====
+// EVMVersion: >homestead
+// ----
+// f(uint256[],bytes): 0x40, 0x80, 1, 0xFF, 6, "123456" -> 0x20, 0xc0, 0x40, 0x80, 1, 0xff, 6, "123456"
+// g(uint256[],bytes): 0x40, 0x80, 1, 0xffff, 8, "12345678" -> 0x20, 0xc0, 0x40, 0x80, 1, 0xffff, 8, "12345678"