mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
32 lines
827 B
Solidity
32 lines
827 B
Solidity
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contract ShortReturn {
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constructor() {
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assembly {
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// return(0, 32)
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// PUSH1 0x20 PUSH0 RETURN
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mstore(0, hex"60205ff3")
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return(0, 4)
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}
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}
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}
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interface DoesItReturnZero {
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function foo() external pure returns (uint256);
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}
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contract Test {
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ShortReturn immutable shortReturn = new ShortReturn();
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function bytecode() external view returns(bytes memory) {
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return address(shortReturn).code;
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}
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function isPush0Supported() external view returns (bool) {
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assert(DoesItReturnZero(address(shortReturn)).foo() == 0);
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return true;
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}
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}
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// ====
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// compileViaYul: also
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// EVMVersion: >=shanghai
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// ----
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// bytecode() -> 0x20, 4, 0x60205ff300000000000000000000000000000000000000000000000000000000
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// isPush0Supported() -> true
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