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V6085. An abnormality within similar co…
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
Customer specific requests (C++)
MISRA errors
AUTOSAR errors
OWASP errors (C#)
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Additional information
Contents

V6085. An abnormality within similar comparisons. It is possible that a typo is present inside the expression.

07 Jul 2020

The analyzer found suspicious condition that may contain an error of copy-paste.

The diagnosis is empirical, that is why it is easier to demonstrate it on the example than to explain the working principle of the analyzer. Consider this example:

if (m_a != a || 
    m_b != b || 
    m_b != c) // <=
{
  ....
}

Because of the similarity of the variable names, there is a typo in the code. An error is located on the third line. The variable 'c' should be compared with 'm_c' rather than with 'm_b'. It is difficult to notice the error even when reading this text. Please, pay attention to the variable names.

The right variant:

if (m_a != a || 
    m_b != b || 
    m_c != c)
{
  ....
}

If the analyzer issued the warning V6085, then carefully read the corresponding code. Sometimes it is difficult to notice a typo.

This diagnostic is classified as:

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