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Fix #8450. Prevented internal compiler errors when assigning nested tuples.

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This commit is contained in:
a3d4
2020-03-31 03:25:26 +02:00
parent 1897138916
commit c002cae691
5 changed files with 45 additions and 2 deletions
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libsolidity/analysis/TypeChecker.cpp
+2 -2
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@@ -1317,11 +1317,11 @@ void TypeChecker::checkExpressionAssignment(Type const& _type, Expression const&
if (auto const* tupleExpression = dynamic_cast<TupleExpression const*>(&_expression))
{
auto const* tupleType = dynamic_cast<TupleType const*>(&_type);
auto const& types = tupleType ? tupleType->components() : vector<TypePointer> { &_type };
auto const& types = tupleType && tupleExpression->components().size() > 1 ? tupleType->components() : vector<TypePointer> { &_type };
solAssert(
tupleExpression->components().size() == types.size() || m_errorReporter.hasErrors(),
"Array sizes don't match or no errors generated."
"Array sizes don't match and no errors generated."
);
for (size_t i = 0; i < min(tupleExpression->components().size(), types.size()); i++)