gcc/testsuite/gcc.dg/cpp/sysmac2.c

   1 /* Copyright (C) 2001 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=gnu99 -pedantic -Wtraditional -ftrack-macro-expansion=0" } */
   5
   6 /* Tests diagnostics are suppressed for some macros defined in system
   7    headers.  */
   8
   9 /* Source: Neil Booth, 15 Jan 2001.  */
  10
  11 #include "syshdr.h"
  12
  13 #define uint 1U
  14 #define fl 1.0f
  15 #define ld 1.0L
  16
  17 int
  18 main ()
  19 {
  20   int u1 = uint;                /* { dg-warning "traditional C rejects" } */
  21   int u2 = sys_uint;            /* { dg-bogus "traditional C rejects" } */
  22   float f1 = fl;                /* { dg-warning "traditional C rejects" } */
  23   float f2 = sys_fl;            /* { dg-bogus "traditional C rejects" } */
  24   long double ld1 = ld;         /* { dg-warning "traditional C rejects" } */
  25   long double l2 = sys_ld;      /* { dg-bogus "traditional C rejects" } */
  26
  27   return 0;
  28 }