gcc/testsuite/gcc.dg/cpp/tr-warn5.c

   1 /* Test for -Wtraditional warnings on the unary plus operator.
   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 +1 /* { dg-warning "unary plus operator" "unary plus operator" } */
   8 #endif
   9
  10 # 11 "sys-header.h" 3
  11 /* We are in system headers now, no -Wtraditional warnings should issue.  */
  12
  13 #if +1
  14 #endif