mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
27 lines
932 B
Solidity
27 lines
932 B
Solidity
// since the copy always copies whole slots, we have to make sure that the source size maxes
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// out a whole slot and at the same time there are still elements left in the target at that point
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contract c {
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bytes8[4] data1; // fits into one slot
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bytes10[6] data2; // 4 elements need two slots
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function test() public returns (bytes10 r1, bytes10 r2, bytes10 r3) {
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data1[0] = bytes8(uint64(1));
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data1[1] = bytes8(uint64(2));
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data1[2] = bytes8(uint64(3));
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data1[3] = bytes8(uint64(4));
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for (uint256 i = 0; i < data2.length; ++i)
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data2[i] = bytes10(uint80(0xffff00 | (1 + i)));
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data2 = data1;
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r1 = data2[3];
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r2 = data2[4];
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r3 = data2[5];
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}
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}
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// ====
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// compileViaYul: also
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// ----
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// test() -> 0x04000000000000000000000000000000000000000000000000, 0x0, 0x0
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// gas irOptimized: 107728
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// gas legacy: 116651
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// gas legacyOptimized: 107000
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