gcc/testsuite/gcc.dg/Wpointer-sign.c

   1 /* This is from PR c/25892.  The SC promised RMS that -Wpointer-sign
   2    would be off by default in GCC 4.1 to avoid inconvenient warnings
   3    while compiling GNU Emacs.  It should be enabled with -Wall and/or
   4    -pedantic, though.  Make sure it's off by default in this test (so
   5    use dg-options "" to avoid passing -pedantic-errors).  */
   6
   7 /* { dg-options "" } */
   8
   9 void foo(unsigned long* ulp);
  10
  11 void bar(long* lp) {
  12   foo(lp);
  13 }