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Only allow equality checks for internal function types.

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chriseth 2017-06-26 16:30:13 +02:00
parent f47e6e90fb
commit 4407a13c17
1 changed files with 1 additions and 1 deletions
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libsolidity/ast/Types.cpp
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@ -2250,7 +2250,7 @@ TypePointer FunctionType::unaryOperatorResult(Token::Value _operator) const
TypePointer FunctionType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const TypePointer FunctionType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const
{ {
if (_other->category() != category() || !Token::isCompareOp(_operator)) if (_other->category() != category() || !(_operator == Token::Equal || _operator == Token::NotEqual))
return TypePointer(); return TypePointer();
FunctionType const& other = dynamic_cast<FunctionType const&>(*_other); FunctionType const& other = dynamic_cast<FunctionType const&>(*_other);
if (kind() == Kind::Internal && other.kind() == Kind::Internal && sizeOnStack() == 1 && other.sizeOnStack() == 1) if (kind() == Kind::Internal && other.kind() == Kind::Internal && sizeOnStack() == 1 && other.sizeOnStack() == 1)