Violating any shall within a Constraint clause in the C standard requires an implementation to issue a diagnostic message, the C Standard, 5.1.1.3 [ISO/IEC 9899:2011] states:
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Violating any shall within a Constraint clause in the C standard requires an implementation to issue a diagnostic message, the C Standard, 5.1.1.3 [ISO/IEC 9899:2011] states:
...