1  /* Test for -Wtraditional warnings on integer constant suffixes.
       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 preprocess } */
       5  /* { dg-options "-Wtraditional" } */
       6  
       7  #if 1U /* { dg-warning "traditional C rejects" "numeric constant suffix" } */
       8  #endif
       9  #if 1u /* { dg-warning "traditional C rejects" "numeric constant suffix" } */
      10  #endif
      11  #if 1L
      12  #endif
      13  #if 1l
      14  #endif
      15    
      16  # 17 "sys-header.h" 3
      17  /* We are in system headers now, no -Wtraditional warnings should issue.  */
      18  
      19  #if 1U
      20  #endif
      21  #if 1u
      22  #endif
      23  #if 1L
      24  #endif
      25  #if 1l
      26  #endif