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-rw-r--r--libsolidity/analysis/TypeChecker.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index 38331a43..bd3187ae 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -498,7 +498,12 @@ void TypeChecker::checkDoubleStorageAssignment(Assignment const& _assignment)
TupleType const& lhs = dynamic_cast<TupleType const&>(*type(_assignment.leftHandSide()));
TupleType const& rhs = dynamic_cast<TupleType const&>(*type(_assignment.rightHandSide()));
- bool fillRight = !lhs.components().empty() && (!lhs.components().back() || lhs.components().front());
+ if (lhs.components().size() != rhs.components().size())
+ {
+ solAssert(m_errorReporter.hasErrors(), "");
+ return;
+ }
+
size_t storageToStorageCopies = 0;
size_t toStorageCopies = 0;
for (size_t i = 0; i < lhs.components().size(); ++i)
@@ -506,10 +511,8 @@ void TypeChecker::checkDoubleStorageAssignment(Assignment const& _assignment)
ReferenceType const* ref = dynamic_cast<ReferenceType const*>(lhs.components()[i].get());
if (!ref || !ref->dataStoredIn(DataLocation::Storage) || ref->isPointer())
continue;
- size_t rhsPos = fillRight ? i : rhs.components().size() - (lhs.components().size() - i);
- solAssert(rhsPos < rhs.components().size(), "");
toStorageCopies++;
- if (rhs.components()[rhsPos]->dataStoredIn(DataLocation::Storage))
+ if (rhs.components()[i]->dataStoredIn(DataLocation::Storage))
storageToStorageCopies++;
}
if (storageToStorageCopies >= 1 && toStorageCopies >= 2)