gcc/testsuite/gcc.dg/pr66066-2.c

   1 /* PR c/66066 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wno-div-by-zero -Wpedantic" } */
   4
   5 /* Accept these unless -pedantic-errors/-Werror.  */
   6 int a1 = -1 << 0;               /* { dg-warning "initializer element is not a constant expression" } */
   7 int a2 = -1 << 0 | 0;           /* { dg-warning "initializer element is not a constant expression" } */
   8 int a3 = -1 << 0 & 1;           /* { dg-warning "initializer element is not a constant expression" } */
   9 int a4 = -1 << 2 ^ 1;           /* { dg-warning "initializer element is not a constant expression" } */
  10 int a5 = 4 & -1 << 2;           /* { dg-warning "initializer element is not a constant expression" } */
  11 int a6 = (-1 << 2) ^ (1 >> 1);  /* { dg-warning "initializer element is not a constant expression" } */
  12 int a7 = 0 || (-1 << 1);        /* { dg-warning "initializer element is not a constant expression" } */
  13 int a8 = 0 ? 2 : (-1 << 1);     /* { dg-warning "initializer element is not a constant expression" } */
  14 int a9 = 1 && -1 << 0;          /* { dg-warning "initializer element is not a constant expression" } */
  15 int a10 = !(-1 << 0);           /* { dg-warning "initializer element is not a constant expression" } */
  16
  17 /* Don't accept these.  */
  18 int b1 = 1 / 0;         /* { dg-error "initializer element is not constant" } */
  19 int b2 = 1 / (1 / 0);   /* { dg-error "initializer element is not constant" } */
  20 int b3 = 0 ? 2 : 1 / 0; /* { dg-error "initializer element is not constant" } */
  21 int b4 = 0 || 1 / 0;    /* { dg-error "initializer element is not constant" } */
  22 int b5 = 0 * (1 / 0);   /* { dg-error "initializer element is not constant" } */
  23 int b6 = 1 * (1 / 0);   /* { dg-error "initializer element is not constant" } */
  24 int b7 = (1 / 0) * 0;   /* { dg-error "initializer element is not constant" } */
  25 int b8 = (1 / 0) * 1;   /* { dg-error "initializer element is not constant" } */
  26 int b9 = 1 && 1 / 0;    /* { dg-error "initializer element is not constant" } */
  27 int b10 = !(1 / 0);     /* { dg-error "initializer element is not constant" } */
  28 int c1 = 1 % 0;         /* { dg-error "initializer element is not constant" } */
  29 int c2 = 1 / (1 % 0);   /* { dg-error "initializer element is not constant" } */
  30 int c3 = 0 ? 2 : 1 % 0; /* { dg-error "initializer element is not constant" } */
  31 int c4 = 0 || 1 % 0;    /* { dg-error "initializer element is not constant" } */
  32 int c5 = 0 * (1 % 0);   /* { dg-error "initializer element is not constant" } */
  33 int c6 = 1 * (1 % 0);   /* { dg-error "initializer element is not constant" } */
  34 int c7 = (1 % 0) * 0;   /* { dg-error "initializer element is not constant" } */
  35 int c8 = (1 % 0) * 1;   /* { dg-error "initializer element is not constant" } */
  36 int c9 = 1 && 1 % 0;    /* { dg-error "initializer element is not constant" } */
  37 int c10 = !(1 % 0);     /* { dg-error "initializer element is not constant" } */