gcc/testsuite/gcc.dg/Wcxx-compat-9.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wc++-compat" } */
   3
   4 enum e { FIRST, LAST };
   5
   6 extern void f2 (enum e);
   7
   8 void
   9 f1 ()
  10 {
  11   enum e v;
  12
  13   for (v = FIRST; v < LAST; ++v)  /* { dg-warning "invalid in C\[+\]\[+\]" } */
  14     f2 (v);
  15   for (v = FIRST; v < LAST; v++)  /* { dg-warning "invalid in C\[+\]\[+\]" } */
  16     f2 (v);
  17   for (v = LAST; v > FIRST; --v)  /* { dg-warning "invalid in C\[+\]\[+\]" } */
  18     f2 (v);
  19   for (v = LAST; v > FIRST; v--)  /* { dg-warning "invalid in C\[+\]\[+\]" } */
  20     f2 (v);
  21 }