Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1

Wed Jan 18 07:37:35 AEDT 2023

Hi!

On 1/17/23 21:05, Geert Uytterhoeven wrote:
>> Isn't this supposed to be caught by this check:
>>
>>          a, __same_type(a, NULL)
>>
>> ?
> 
> Yeah, but gcc thinks it is smarter than us...
> Probably it drops the test, assuming UB cannot happen.

Hmm, sounds like a GGC bug to me then. Not sure how to fix this then.

Adrian

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