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Fix overflowing int in 32 bit

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coffeepots 2018-08-09 17:15:39 +01:00 committed by zah
parent 5cd81ef3ac
commit ff52d75fc0
1 changed files with 1 additions and 1 deletions
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nimbus/vm/interpreter/opcodes_impl.nim
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@ -219,7 +219,7 @@ proc writePaddedResult(mem: var Memory,
paddingValue = 0.byte) = paddingValue = 0.byte) =
mem.extend(memPos, len) mem.extend(memPos, len)
let dataEndPosition = dataPos + len - 1 let dataEndPosition = dataPos.int64 + len - 1
if dataEndPosition < data.len: if dataEndPosition < data.len:
mem.write(memPos, data[dataPos .. dataEndPosition]) mem.write(memPos, data[dataPos .. dataEndPosition])
else: else: