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From: "segher at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug other/102440] Uinteger Opt/Param but the underlying type is
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Date: Mon, 25 Oct 2021 20:53:19 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102440

--- Comment #6 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to Martin Li=C5=A1ka from comment #5)
> All right, so the meaning of the UInteger type is actually that users can=
't
> set the flag/param to a negative value:
>=20
> $ gcc -fabi-version=3D-3 a.c
> gcc: error: argument to '-fabi-version=3D' should be a non-negative integ=
er

That doesn't contradict using it with an "unsigned int".

> Plus there are very many flags that are initialized to -1 with Init(-1). =
The
> special value is used for distinguishing between a set value and the defa=
ult
> one.

That doesn't contradict using it with an "unsigned int".

> So the name is unfortunate, but I don't see what can we do about it?

We could make the "UInteger" type mean it is implemented with an "unsigned =
int"
C type (or some other unsigned integer type).=