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-rw-r--r--libsolidity/analysis/ReferencesResolver.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/libsolidity/analysis/ReferencesResolver.cpp b/libsolidity/analysis/ReferencesResolver.cpp
index df579c3d..d589f4a0 100644
--- a/libsolidity/analysis/ReferencesResolver.cpp
+++ b/libsolidity/analysis/ReferencesResolver.cpp
@@ -130,6 +130,8 @@ void ReferencesResolver::endVisit(ArrayTypeName const& _typeName)
auto const* lengthType = dynamic_cast<RationalNumberType const*>(length->annotation().type.get());
if (!lengthType || lengthType->isFractional())
fatalTypeError(length->location(), "Invalid array length, expected integer literal.");
+ else if (lengthType->isNegative())
+ fatalTypeError(length->location(), "Array with negative length specified.");
else
_typeName.annotation().type = make_shared<ArrayType>(DataLocation::Storage, baseType, lengthType->literalValue(nullptr));
}