gcc/testsuite/gcc.dg/Wenum-conversion.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wenum-conversion" } */
   3
   4 enum X { x1, x2 };
   5 enum Y { y1, y2 };
   6
   7 enum X obj = y1;  /* { dg-warning "implicit conversion from .enum Y. to .enum X." } */
   8 enum Y obj2 = y1;
   9
  10 enum X obj3;
  11 void foo()
  12 {
  13   obj3 = y2; /* { dg-warning "implicit conversion from .enum Y. to .enum X." } */
  14 }
  15
  16 void bar(enum X);
  17 void f(void)
  18 {
  19   bar (y1); /* { dg-warning "implicit conversion from .enum Y. to .enum X." } */
  20 }