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[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / Wunused-value-2.c
1 /* Test -Wunused-value. Bug 30729. */
2 /* { dg-do compile } */
3 /* { dg-options "-Wunused-value" } */
4 /* Make sure va_arg does not cause a value computed is not used warning
5 because it has side effects. */
6 #include <stdarg.h>
7
8 int f(int t, ...)
9 {
10 va_list a;
11 va_start (a, t);
12 va_arg(a, int);/* { dg-bogus "value computed is not used" } */
13 int t1 = va_arg(a, int);
14 va_end(a);
15 return t1;
16 }
17
18