1  /* Test that binary constants are accepted in C2X mode: compat warnings.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=c2x -Wc11-c2x-compat" } */
       4  
       5  int a = 0b1; /* { dg-warning "C2X feature" } */
       6  #if 0b101 /* { dg-warning "C2X feature" } */
       7  #endif
       8  
       9  int b = 0B1; /* { dg-warning "C2X feature" } */
      10  #if 0B101 /* { dg-warning "C2X feature" } */
      11  #endif