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Merge pull request #8903 from ethereum/exponentiation-bug

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Fix exponentiation bug
This commit is contained in:
chriseth
2020-05-13 15:49:23 +02:00
committed by GitHub
parent b2122d479f 47e9a13e8a
commit aca700497c
4 changed files with 25 additions and 0 deletions
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libsolidity/ast/Types.cpp
+7
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@@ -613,6 +613,13 @@ TypeResult IntegerType::binaryOperatorResult(Token _operator, Type const* _other
}
else if (dynamic_cast<FixedPointType const*>(_other))
return nullptr;
else if (auto rationalNumberType = dynamic_cast<RationalNumberType const*>(_other))
{
if (rationalNumberType->isFractional())
return TypeResult::err("Exponent is fractional.");
if (!rationalNumberType->integerType())
return TypeResult::err("Exponent too large.");
}
return this;
}