solidity/test/libsolidity/syntaxTests/controlFlow/uninitializedAccess/assembly.sol

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contract C {
uint[] r;
function f() internal view returns (uint[] storage s) {
assembly { pop(s.slot) }
s = r;
}
}
// ----
// TypeError 3464: (107-113): This variable is of storage pointer type and can be accessed without prior assignment, which would lead to undefined behaviour.