mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
23 lines
606 B
Solidity
23 lines
606 B
Solidity
|
pragma experimental SMTChecker;
|
||
|
|
|
||
|
|
contract C
|
||
|
|
{
|
||
|
|
function f(uint[] storage a, uint[] storage b, uint[] memory c) internal {
|
||
|
|
uint[] memory d = c;
|
||
|
|
require(c[0] == 42);
|
||
|
|
require(a[0] == 2);
|
||
|
|
b[0] = 1;
|
||
|
|
// Erasing knowledge about storage references should not
|
||
|
|
// erase knowledge about memory references.
|
||
|
|
assert(c[0] == 42);
|
||
|
|
// Erasing knowledge about storage references should not
|
||
|
|
// erase knowledge about memory references.
|
||
|
|
assert(d[0] == 42);
|
||
|
|
// Fails because b == a is possible.
|
||
|
|
assert(a[0] == 2);
|
||
|
|
assert(b[0] == 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// ----
|
||
|
|
// Warning: (497-514): Assertion violation happens here
|