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Type Checker: Fix internal error when applying unary operators to tuples with empty components

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This commit is contained in:
a3d4
2020-04-29 02:18:48 +02:00
parent 55e34407d3
commit 3bd15655cb
7 changed files with 65 additions and 7 deletions
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libsolidity/analysis/TypeChecker.cpp
+7 -7
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@@ -1478,13 +1478,13 @@ bool TypeChecker::visit(UnaryOperation const& _operation)
TypePointer t = type(_operation.subExpression())->unaryOperatorResult(op);
if (!t)
{
m_errorReporter.typeError(
_operation.location(),
"Unary operator " +
string(TokenTraits::toString(op)) +
" cannot be applied to type " +
subExprType->toString()
);
string description = "Unary operator " + string(TokenTraits::toString(op)) + " cannot be applied to type " + subExprType->toString();
if (modifying)
// Cannot just report the error, ignore the unary operator, and continue,
// because the sub-expression was already processed with requireLValue()
m_errorReporter.fatalTypeError(_operation.location(), description);
else
m_errorReporter.typeError(_operation.location(), description);
t = subExprType;
}
_operation.annotation().type = t;