gcc/testsuite/gcc.dg/wtr-switch-1.c

   1 /* Test for -Wtraditional warnings on switch operands of type long.
   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 (l)
   9      long l;
  10 {
  11   switch (l) /* { dg-warning "switch expression" "switch expression" } */
  12   {
  13   default:
  14     break;
  15   }
  16
  17 # 17 "sys-header.h" 3
  18 /* We are in system headers now, no -Wtraditional warnings should issue.  */
  19
  20   switch (l)
  21   {
  22   default:
  23     break;
  24   }
  25 }