mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
33 lines
864 B
Solidity
33 lines
864 B
Solidity
pragma experimental SMTChecker;
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contract C
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{
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uint[] b;
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uint[] d;
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uint[][] array2d;
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function g(uint x, uint[] memory c) public {
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f(array2d[x], c);
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}
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function f(uint[] storage a, uint[] memory c) internal {
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d[0] = 42;
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c[0] = 42;
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a[0] = 2;
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b[0] = 1;
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// Erasing knowledge about storage variables should not
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// erase knowledge about memory references.
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assert(c[0] == 42);
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// Fails because d == a is possible.
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assert(d[0] == 42);
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// Fails because b == a and d == a are possible.
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assert(a[0] == 2);
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// b == a is possible, but does not fail because b
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// was the last assignment.
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assert(b[0] == 1);
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}
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}
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// ----
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// Warning: (431-449): Assertion violation happens here
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// Warning: (504-521): Assertion violation happens here
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// Warning: (431-449): Assertion violation happens here
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// Warning: (504-521): Assertion violation happens here
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