main/gcc/testsuite/c-c++-common/ubsan/shift-3.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fsanitize=shift -w" } */
   3
   4 #include <stdio.h>
   5
   6 int
   7 main (void)
   8 {
   9   fputs ("UBSAN TEST START\n", stderr);
  10
  11   unsigned int a = 1;
  12   a <<= 31;
  13   a <<= 1;
  14
  15   fputs ("UBSAN TEST END\n", stderr);
  16   return 0;
  17 }
  18
  19 /* { dg-output "UBSAN TEST START(\n|\r\n|\r)UBSAN TEST END" } */