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Fix ICE when bitwise operator on fixed bytes

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This commit is contained in:
Leonardo Alt
2020-07-15 19:32:15 +02:00
parent bd6cd027a3
commit 46653b2d43
6 changed files with 40 additions and 11 deletions
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libsolidity/formal/SMTEncoder.cpp
+4 -2
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@@ -1376,9 +1376,11 @@ void SMTEncoder::bitwiseOperation(BinaryOperation const& _op)
bvSize = fixedType->numBits();
isSigned = fixedType->isSigned();
}
else if (auto const* fixedBytesType = dynamic_cast<FixedBytesType const*>(commonType))
bvSize = fixedBytesType->numBytes() * 8;
auto bvLeft = smtutil::Expression::int2bv(expr(_op.leftExpression()), bvSize);
auto bvRight = smtutil::Expression::int2bv(expr(_op.rightExpression()), bvSize);
auto bvLeft = smtutil::Expression::int2bv(expr(_op.leftExpression(), commonType), bvSize);
auto bvRight = smtutil::Expression::int2bv(expr(_op.rightExpression(), commonType), bvSize);
optional<smtutil::Expression> result;
if (_op.getOperator() == Token::BitAnd)