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by quasive
4869 days ago
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According to section 6.7.5.2p1 of C99: “If the expression is a constant expression, it shall have a value greater than zero.” The “expression” here refers to an expression in between [] in an array declaration; so the declaration of size 0 is a constraint violation and requires a diagnostic. You can get gcc and clang to issue a relevant diagnostic with “-std=c99 -pedantic”. |
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