tr-warn4.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 27 行

/* Test for -Wtraditional warnings on integer constant suffixes.
   Note, gcc should omit these warnings in system header files.
   By Kaveh R. Ghazi <[e-mail]> 8/22/2000.  */
/* { dg-do preprocess } */
/* { dg-options "-Wtraditional -fno-show-column" } */

#if 1U /* { dg-warning "traditional C rejects" "numeric constant suffix" } */
#endif
#if 1u /* { dg-warning "traditional C rejects" "numeric constant suffix" } */
#endif
#if 1L
#endif
#if 1l
#endif
  
# 17 "sys-header.h" 3
/* We are in system headers now, no -Wtraditional warnings should issue.  */

#if 1U
#endif
#if 1u
#endif
#if 1L
#endif
#if 1l
#endif