mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
20 lines
451 B
Solidity
20 lines
451 B
Solidity
|
pragma experimental SMTChecker;
|
||
|
|
|
||
|
|
contract C
|
||
|
|
{
|
||
|
|
uint[2] b;
|
||
|
|
function f(uint[2] storage a, uint[2] memory c) internal {
|
||
|
|
require(c[0] == 42);
|
||
|
|
require(a[0] == 2);
|
||
|
|
b[0] = 1;
|
||
|
|
// Erasing knowledge about storage variables should not
|
||
|
|
// erase knowledge about memory references.
|
||
|
|
assert(c[0] == 42);
|
||
|
|
// Fails because b == a is possible.
|
||
|
|
assert(a[0] == 2);
|
||
|
|
assert(b[0] == 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// ----
|
||
|
|
// Warning: (342-359): Assertion violation happens here
|