On Wed, Dec 18, 2024 at 05:35:28PM -0500, David Malcolm wrote:
> Is _Bool meant to be usable in c90?
It is a keyword even when GCC compiles with -std={c89,c90,gnu89,gnu90}
(why not, _Bool is a reserved identifier in C89).
With -pedantic/-pedantic-errors there is a pedwarn about using it as a type,
Sam James writes:
> David Malcolm writes:
>
>> On Tue, 2024-11-26 at 16:35 -0500, Marek Polacek wrote:
>>> On Mon, Nov 25, 2024 at 10:49:02PM -0500, David Malcolm wrote:
>>> > This patch attempts to provide better error messages for
>>> > code compiled with C23 that hasn't been updated for
>>> >
On Wed, Dec 18, 2024 at 2:37 PM David Malcolm wrote:
>
> On Tue, 2024-11-26 at 16:35 -0500, Marek Polacek wrote:
> > On Mon, Nov 25, 2024 at 10:49:02PM -0500, David Malcolm wrote:
> > > This patch attempts to provide better error messages for
> > > code compiled with C23 that hasn't been updated f
David Malcolm writes:
> On Tue, 2024-11-26 at 16:35 -0500, Marek Polacek wrote:
>> On Mon, Nov 25, 2024 at 10:49:02PM -0500, David Malcolm wrote:
>> > This patch attempts to provide better error messages for
>> > code compiled with C23 that hasn't been updated for
>> > "bool", "true", and "false"
On Tue, 2024-11-26 at 16:35 -0500, Marek Polacek wrote:
> On Mon, Nov 25, 2024 at 10:49:02PM -0500, David Malcolm wrote:
> > This patch attempts to provide better error messages for
> > code compiled with C23 that hasn't been updated for
> > "bool", "true", and "false" becoming keywords (based on
>
Sam James writes:
> David Malcolm writes:
>
>> This patch attempts to provide better error messages for
>> code compiled with C23 that hasn't been updated for
>> "bool", "true", and "false" becoming keywords (based on
>> a brief review of the Gentoo bug tracker links given at
>> https://gcc.gnu.
David Malcolm writes:
> This patch attempts to provide better error messages for
> code compiled with C23 that hasn't been updated for
> "bool", "true", and "false" becoming keywords (based on
> a brief review of the Gentoo bug tracker links given at
> https://gcc.gnu.org/pipermail/gcc/2024-Novem
On Tue, Nov 26, 2024 at 04:35:15PM -0500, Marek Polacek wrote:
> Thanks for the patch.
>
> For:
>
> typedef int _Bool;
>
> or
>
> int _Bool;
>
> this patch says:
>
> note: '_Bool' is a keyword with '-std=c23' onwards
>
> but I don't think that's true: _Bool was added in C99 and is obso
* David Malcolm:
> whereas with this patch we emit:
>
> t1.c:7:13: error: 'bool' cannot be defined via 'typedef'
> 7 | typedef int bool;
> | ^~~~
> t1.c:7:13: note: 'bool' is a keyword with '-std=c23' onwards
> t1.c:7:1: warning: useless type name in empty declaration
> 7
On Mon, Nov 25, 2024 at 10:49:02PM -0500, David Malcolm wrote:
> This patch attempts to provide better error messages for
> code compiled with C23 that hasn't been updated for
> "bool", "true", and "false" becoming keywords (based on
> a brief review of the Gentoo bug tracker links given at
> https
This patch attempts to provide better error messages for
code compiled with C23 that hasn't been updated for
"bool", "true", and "false" becoming keywords (based on
a brief review of the Gentoo bug tracker links given at
https://gcc.gnu.org/pipermail/gcc/2024-November/245185.html).
Specifically:
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