When did 'pragma diagnostic' become available?

[NightStrike]

On Mon, Jul 20, 2015 at 5:55 AM, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> On 20 July 2015 at 07:29, Jeffrey Walton wrote:
>> 6.61.10 Diagnostic Pragmas,
>> https://gcc.gnu.org/onlinedocs/gcc/Diagnostic-Pragmas.html, does not
>> tell us when it became available.
>>
>> I've been through the change logs from 44 through 4.8, and I can't
>> tell when it became available
>> (https://gcc.gnu.org/gcc-4.4/changes.html,
>> https://gcc.gnu.org/gcc-4-5/changes.html,
>> https://gcc.gnu.org/gcc-4.6/changes.html,
>> https://gcc.gnu.org/gcc-4.7/changes.html,
>> https://gcc.gnu.org/gcc-4.8/changes.html).
>>
>> When did 'pragma diagnostic' become available?
>
> The oldest manual it's documented in is 4.2.0
>
> https://gcc.gnu.org/onlinedocs/gcc-4.2.0/gcc/Diagnostic-Pragmas.html
>
> It's not mentioned in the 4.2 release notes and I didn't test if it works in 4.1

It does not work on RHEL5 4.1.2.