gcc-4.9/gcc/testsuite/gcc.dg/builtins-66.c


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/* { dg-do compile } */

enum { E0 = 0, E1 = 1, E2 = 2 } e;

int
foo (void)
{
  return __builtin_popcount ((int) e);
}

/* { dg-final { scan-assembler-not "__builtin_popcount" } } */