main/gcc/testsuite/c-c++-common/ubsan/undefined-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fsanitize=undefined" } */
   3
   4 #include <stdio.h>
   5
   6 int
   7 foo (int x, int y)
   8 {
   9   const int z = 2;
  10   if (z & 1)
  11     return x << y;
  12   return 0;
  13 }
  14
  15 int
  16 bar (int x, int y)
  17 {
  18   return x + y;
  19 }
  20
  21 int
  22 main (void)
  23 {
  24   fputs ("UBSAN TEST START\n", stderr);
  25
  26   foo (3, 2);
  27   bar (12, 42);
  28
  29   fputs ("UBSAN TEST END\n", stderr);
  30   return 0;
  31 }
  32
  33 /* { dg-output "UBSAN TEST START(\n|\r\n|\r)UBSAN TEST END" } */