On 12/16/22 19:52, Jeff Law wrote:
> 
> 
> On 12/6/22 06:26, Jason Merrill via Gcc-patches wrote:
>> Tested x86_64-pc-linux-gnu, OK for trunk?
>>
>> -- 8< --
>>
>> The PR (which isn't resolved by this commit) pointed out to me that GCC
>> should build with -Wconditionally-supported to support bootstrapping 
>> with a
>> C++11 compiler that makes different choices.
>>
>>     PR c++/64867
>>
>> gcc/ChangeLog:
>>
>>     * configure.ac (strict_warn): Add -Wconditionally-supported.
>>     * configure: Regenerate.
> OK.  I wonder if it'll trip anything, particularly in the target files.

Also applying this to fix a breakage reported on IRC: