gcc/testsuite/gcc.dg/wtr-unary-plus-1.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 compile } */
   5 /* { dg-options "-Wtraditional" } */
   6
   7 void
   8 testfunc ()
   9 {
  10   int i;
  11
  12   i = +1; /* { dg-warning "unary plus operator" "unary plus operator" } */
  13   i = +i; /* { dg-warning "unary plus operator" "unary plus operator" } */
  14
  15 # 16 "sys-header.h" 3
  16 /* We are in system headers now, no -Wtraditional warnings should issue.  */
  17
  18   i = +1;
  19   i = +i;
  20 }