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Attempt to fix crashes when variable valueType is nullptr. This can happen when decltype is used on unknown type

This commit is contained in:
Daniel Marjamäki 2020-11-27 16:45:26 +01:00
parent 809cec2b58
commit ad0eb6108b
1 changed files with 2 additions and 0 deletions
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2
lib/checkunusedvar.cpp
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@ -1557,6 +1557,8 @@ bool CheckUnusedVar::isVariableWithoutSideEffects(const Variable& var)
if (!isRecordTypeWithoutSideEffects(variableType))
return false;
} else {
if (WRONG_DATA(!var.valueType(), var.typeStartToken()))
return false;
ValueType::Type valueType = var.valueType()->type;
if ((valueType == ValueType::Type::UNKNOWN_TYPE) || (valueType == ValueType::Type::NONSTD))
return false;