gcc/testsuite/gcc.dg/Wconversion.c

   1 /* Source: PR 137.
   2
   3    We would not warn about passing an enum, but would warn about
   4    passing a enum that was part of an array.  TYPE_MAIN_VARIANT was
   5    not used in the appropriate place in the warning code.  */
   6
   7 /* { dg-do compile } */
   8 /* { dg-options -Wconversion } */
   9
  10 typedef enum { a } __attribute__((packed)) t;
  11 void f(t x) {}
  12
  13 int main(void)
  14 {
  15   t x[2], y;
  16   f(x[0]);                      /* { dg-bogus "different width" } */
  17   f(y);                         /* { dg-bogus "different width" } */
  18   return 0;
  19 }
  20