1  /* Test for -Wtraditional warnings on integer constant types.
       2     Note, gcc should omit these warnings in system header files.
       3     By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/22/2000.  */
       4  /* { dg-do compile } */
       5  /* { dg-options "-std=c99 -Wtraditional" } */
       6  
       7  void
       8  testfunc ()
       9  {
      10    long long i;
      11    
      12    /* Octal and hex values shouldn't issue -Wtraditional warnings. */
      13    i = 0x80000000;
      14    i = 0xFFFFFFFF;
      15    i = 037777777777;
      16  
      17    i = 0x8000000000000000;
      18    i = 0xFFFFFFFFFFFFFFFF;
      19    i = 01777777777777777777777;
      20  
      21    /* Nor should values outside the range of (32-bit) unsigned long but
      22       inside the range of long long.  [since -traditional has no long long,
      23       we can pretend it worked the way it does in C99.]  */
      24    i = 9223372036854775807;
      25  
      26    /* But this one should, since it doesn't fit in long (long), but
      27       does fit in unsigned long (long).  */
      28    i = 18446744073709551615; /* { dg-warning "integer constant is so large that it is unsigned" "so large" } */
      29    /* { dg-warning "this decimal constant would be unsigned in ISO C90" "ISO C90" { target *-*-* } .-1 } */
      30  
      31  # 29 "sys-header.h" 3
      32  }
      33  
      34  void
      35  testfunc2( ) 
      36  { 
      37    long long i;
      38  
      39  /* We are in system headers now, no -Wtraditional warnings should issue.  */
      40  
      41    i = 0x80000000;
      42    i = 0xFFFFFFFF;
      43    i = 037777777777;
      44    
      45    i = 0x8000000000000000;
      46    i = 0xFFFFFFFFFFFFFFFF;
      47    i = 01777777777777777777777;
      48    
      49    i = 9223372036854775807;
      50    i = 18446744073709551615;
      51  }
      52