gcc/testsuite/gcc.dg/pr84772.c

   1 /* PR target/84772 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -Wuninitialized" } */
   4
   5 #include <stdarg.h>
   6
   7 void
   8 foo (int *x, int y, va_list ap)
   9 {
  10   __builtin_memset (x, 0, sizeof (int));
  11   for (int i = 0; i < y; i++)
  12     va_arg (ap, long double);                   /* { dg-bogus "uninitialized" } */
  13 }