clang/test/Sema/PR2963-enum-constant.c

   1 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
   2
   3 typedef short short_fixed;
   4
   5 enum
   6 {
   7         // 8.8 short_fixed
   8         SHORT_FIXED_FRACTIONAL_BITS= 8,
   9         SHORT_FIXED_ONE= 1<<SHORT_FIXED_FRACTIONAL_BITS
  10 };
  11
  12 #define FLOAT_TO_SHORT_FIXED(f) ((short_fixed)((f)*SHORT_FIXED_ONE))
  13
  14 enum
  15 {
  16         SOME_VALUE= FLOAT_TO_SHORT_FIXED(0.1) // expected-warning{{expression is not an integer constant expression}}
  17 };