solidity/test/libsolidity/semanticTests/array/delete_storage_array.sol

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contract C {
uint[] data;
function len() public returns (uint ret) {
data.push(234);
data.push(123);
delete data;
assembly {
ret := sload(data_slot)
}
}
function val() public returns (uint ret) {
assembly {
sstore(0, 2)
mstore(0, 0)
sstore(keccak256(0, 32), 234)
sstore(add(keccak256(0, 32), 1), 123)
}
assert(data[0] == 234);
assert(data[1] == 123);
delete data;
uint size = 999;
assembly {
size := sload(0)
mstore(0, 0)
ret := sload(keccak256(0, 32))
}
}
}
// ====
// compileViaYul: also
// ----
// len() -> 0
// val() -> 0