solidity/test/libsolidity/syntaxTests/controlFlow/uninitializedAccess/bug10821-while.sol

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contract Test {
function testFunc() external {
while (true) {}
bytes storage b;
b[0] = 0x42;
}
}
// ----
// TypeError 3464: (87-88): This variable is of storage pointer type and can be accessed without prior assignment, which would lead to undefined behaviour.