1  /* Copyright (C) 2002 Free Software Foundation, Inc.
       2  
       3     Tests various diagnostics about a bit-field's type and width.
       4  
       5     Source: Neil Booth, 26 Jan 2002.
       6  */
       7  
       8  /* { dg-options "-pedantic -std=gnu89" } */
       9  
      10  enum foo {e1 = 0, e2, e3, e4, e5};
      11  
      12  int x;
      13  typedef unsigned int ui;
      14  
      15  struct bf1
      16  {
      17    unsigned int a: 3.5;		/* { dg-error "integer constant" } */
      18    unsigned int b: x;		/* { dg-error "integer constant" } */
      19    unsigned int c: -1;		/* { dg-error "negative width" } */
      20    unsigned int d: 0;		/* { dg-error "zero width" } */
      21    unsigned int : 0;		/* { dg-bogus "zero width" } */
      22    unsigned int : 5;
      23    double e: 1;			/* { dg-error "invalid type" } */
      24    float f: 1;			/* { dg-error "invalid type" } */
      25    unsigned long g: 5;		/* { dg-warning "GCC extension|ISO C" } */
      26    ui h: 5;
      27    enum foo i: 2;		/* { dg-warning "narrower" } */
      28      /* { dg-warning "GCC extension|ISO C" "extension" { target *-*-* } .-1 } */
      29    enum foo j: 3;		/* { dg-warning "GCC extension|ISO C" } */
      30    unsigned int k: 256;		/* { dg-error "exceeds its type" } */
      31  };