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/* Test for constraints on constant expressions. In C90 it is clear that
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/* Test for constraints on constant expressions. In C90 it is clear that
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certain constructs are not permitted in unevaluated parts of an
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certain constructs are not permitted in unevaluated parts of an
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expression (except in sizeof); in C99 it might fall within implementation
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expression (except in sizeof); in C99 it might fall within implementation
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latitude; and if the operands are suitable, diagnostics should not be
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latitude; and if the operands are suitable, diagnostics should not be
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issued.
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issued.
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*/
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*/
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/* Origin: Joseph Myers <jsm28@cam.ac.uk>; inspired by
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/* Origin: Joseph Myers <jsm28@cam.ac.uk>; inspired by
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http://deja.com/getdoc.xp?AN=524271595&fmt=text by Peter Seebach.
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http://deja.com/getdoc.xp?AN=524271595&fmt=text by Peter Seebach.
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*/
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*/
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/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
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/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
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/* The comma operator is in a subexpression that is not evaluated, so OK
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/* The comma operator is in a subexpression that is not evaluated, so OK
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by C99. In C90 a diagnostic is required since it is not in a sizeof.
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by C99. In C90 a diagnostic is required since it is not in a sizeof.
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*/
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*/
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int i = (1 ? 0 : (2, 3));
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int i = (1 ? 0 : (2, 3));
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