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annotate gcc/testsuite/gcc.dg/Wunused-value-2.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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111
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1 /* Test -Wunused-value. Bug 30729. */
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2 /* { dg-do compile } */
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3 /* { dg-options "-Wunused-value" } */
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4 /* Make sure va_arg does not cause a value computed is not used warning
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5 because it has side effects. */
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6 #include <stdarg.h>
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7
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8 int f(int t, ...)
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9 {
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10 va_list a;
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11 va_start (a, t);
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12 va_arg(a, int);/* { dg-bogus "value computed is not used" } */
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13 int t1 = va_arg(a, int);
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14 va_end(a);
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15 return t1;
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16 }
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17
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18