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According to C99 \[[ISO/IEC 9899:1999|AA. Bibliography#ISO/IEC 9899-1999]\], Section 5.1.1.3: |
A conforming implementation shall produce at least one diagnostic message (identified in an implementation-defined manner) if a preprocessing translation unit or translation unit contains a violation of any syntax rule or constraint, even if the behavior is also explicitly specified as undefined or implementation-defined. Diagnostic messages need not be produced in other circumstances.
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Search for vulnerabilities resulting from the violation of this rule on the CERT website.
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This rule appears in the C++ Secure Coding Standard as : MSC00-CPP. Compile cleanly at high warning levels.
Bibliography
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\[[ISO/IEC 9899:1999|AA. Bibliography#ISO/IEC 9899-1999]\] Section 5.1.1.3, "Diagnostics" \[[MITRE 07|AA. Bibliography#MITRE 07]\] [CWE ID 563|http://cwe.mitre.org/data/definitions/563.html], "Unused Variable"; [CWE ID 570|http://cwe.mitre.org/data/definitions/570.html], "Expression is Always False"; [CWE ID 571|http://cwe.mitre.org/data/definitions/571.html], "Expression is Always True" \[[Sutter 05|AA. Bibliography#Sutter 05]\] Item 1 \[[Seacord 05a|AA. Bibliography#Seacord 05]\] Chapter 8, "Recommended Practices" |
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