23 lines
522 B
C
23 lines
522 B
C
/* Copyright (C) 2000 Free Software Foundation */
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/* by Alexandre Oliva <aoliva@redhat.com> */
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enum foo { FOO, BAR };
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/* Even though the underlying type of an enum is unspecified, the type
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of enumeration constants is explicitly defined as int (6.4.4.3/2 in
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the C99 Standard). Therefore, `i' must not be promoted to
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`unsigned' in the comparison below; we must exit the loop when it
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becomes negative. */
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int
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main ()
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{
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int i;
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for (i = BAR; i >= FOO; --i)
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if (i == -1)
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abort ();
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exit (0);
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}
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