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Merge pull request #5061 from ethereum/fixedSizeArrayLength

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Disallow fixed-size arrays with zero length
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chriseth
2018-09-26 14:55:07 +02:00
committed by GitHub
parent 46f630c5a6 79307059e5
commit 13cd7c3fed
7 changed files with 38 additions and 2 deletions
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libsolidity/analysis/ReferencesResolver.cpp
+2
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@@ -246,6 +246,8 @@ void ReferencesResolver::endVisit(ArrayTypeName const& _typeName)
RationalNumberType const* lengthType = dynamic_cast<RationalNumberType const*>(lengthTypeGeneric.get());
if (!lengthType || !lengthType->mobileType())
fatalTypeError(length->location(), "Invalid array length, expected integer literal or constant expression.");
else if (lengthType->isZero())
fatalTypeError(length->location(), "Array with zero length specified.");
else if (lengthType->isFractional())
fatalTypeError(length->location(), "Array with fractional length specified.");
else if (lengthType->isNegative())