gnu/dist/gcc4/gcc/testsuite/gcc.dg/cpp/tr-warn4.c

   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 -fno-show-column" } */
   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