mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
22 lines
514 B
Solidity
22 lines
514 B
Solidity
|
contract C {
|
||
|
|
uint[] data;
|
||
|
|
|
||
|
|
function val() public returns (bool) {
|
||
|
|
assembly {
|
||
|
|
sstore(0, 2)
|
||
|
|
mstore(0, 0)
|
||
|
|
sstore(keccak256(0, 32), 234)
|
||
|
|
// A bug in the caching mechanism previously caused keccak256(0, 23) to be the same as
|
||
|
|
// keccak256(0, 32), leading to `data[1] == 123` being true.
|
||
|
|
sstore(add(keccak256(0, 23), 1), 123)
|
||
|
|
}
|
||
|
|
assert(data[1] != 123);
|
||
|
|
assert(data[1] == 0);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// ====
|
||
|
|
// compileViaYul: also
|
||
|
|
// ----
|
||
|
|
// val() -> true
|