xbolva00 added a comment.

In D63423#1550697 <https://reviews.llvm.org/D63423#1550697>, @jfb wrote:

> What I meant with macros was that I don't think we should warn on:
>
>   #define LEGIT(a, b) ({ work work work; a ^ b; work work work; })
>  
>   LEGIT(10, 5);
>
>
> If the constants are inline in the macros then sure, warn there. Basically: 
> if you literally wrote `CONSTANT ^ CONSTANT` and it looks fishy, let's warn. 
> If token-pasting wrote it for you and it looks fishy, let's not warn.


Is it worth to pattern match this case? I don't like how this diagnostic is 
getting more and more complicated.

User can use -Wno-xor-used-as-pow if auto-generated weird code.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63423/new/

https://reviews.llvm.org/D63423



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