1  /* { dg-do run } */
       2  /* { dg-options "-fsanitize=shift-base -fno-sanitize=shift-exponent -w -std=c99" } */
       3  
       4  int
       5  main (void)
       6  {
       7    int a = -42;
       8    int b = -43;
       9    volatile int c = 129;
      10    int d = 1;
      11    a << 1;
      12    b << c;
      13    a << 1;
      14    d <<= 31;
      15  }
      16  /* { dg-output "left shift of negative value -42\[^\n\r]*(\n|\r\n|\r)" } */
      17  /* { dg-output "\[^\n\r]*left shift of negative value -42\[^\n\r]*(\n|\r\n|\r)" } */
      18  /* { dg-output "\[^\n\r]*left shift of 1 by 31 places cannot be represented in type 'int'" } */