xbolva00 added a comment.

In D100581#2792854 <https://reviews.llvm.org/D100581#2792854>, @Abpostelnicu 
wrote:

> I think there is a false positive with this @george.burgess.iv:
> In this 
> <https://searchfox.org/mozilla-central/source/mozglue/baseprofiler/core/platform-linux-android.cpp#222-227>
>  we have the warning triggered: 
> mozglue/baseprofiler/core/platform-linux-android.cpp:216:9: error: variable 
> 'r' set but not used [-Werror,-Wunused-but-set-variable]
>
>   SigHandlerCoordinator() {
>     PodZero(&mUContext);
>     int r = sem_init(&mMessage2, /* pshared */ 0, 0);
>     r |= sem_init(&mMessage3, /* pshared */ 0, 0);
>     r |= sem_init(&mMessage4, /* pshared */ 0, 0);
>     MOZ_ASSERT(r == 0);
>   }

If MOZ_ASSERT is expanded to nothing, than the warning is correct. (void)r; 
trick should work here..


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100581/new/

https://reviews.llvm.org/D100581

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