[cfe-dev] Motivation for scoped enum comparison behavior?
richard at metafoo.co.uk
Tue Oct 22 14:34:14 PDT 2013
On Tue, Oct 22, 2013 at 1:36 PM, Eric Fiselier <eric at efcs.ca> wrote:
> Hi all,
> I hope this is the correct mailing list.
> I wanted to ask why clang chooses to compare scoped enumerators as if they
> were unsigned numbers, even when the underlying type is signed. For example
> enum class E : int
> neg_one = -1,
> one = 1;
> neg_one > one; // true
> What is the motivation for this behavior?
This was a bug, and is already fixed. (I can look up the bug number if
you're interested, but in essence the problem was that we were failing to
determine that 'E' is signed.)
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