mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
30 lines
533 B
Solidity
30 lines
533 B
Solidity
function safe() pure returns (uint256 x) {
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assembly { x := 42 }
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/// @solidity memory-safe-assembly
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assembly { mstore(0, 0) }
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}
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function unsafe() pure returns (uint256 x) {
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assembly { pop(mload(0)) }
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}
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contract C {
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constructor() {
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unsafe();
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}
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function f() public pure {
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safe();
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}
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}
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contract D {
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constructor() {
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safe();
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}
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function f() public pure {
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unsafe();
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}
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}
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// ----
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// :C(creation) false
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// :C(runtime) true
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// :D(creation) true
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// :D(runtime) false
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