AaronBallman wrote:

> > This case might be reasonable to handle differently, but I'm on the fence 
> > too. There's two cases for structure members, broadly:
> > 
> > 1. Don't initialize the `const` field, don't ever read the `const` field.
> > 2. Rely on the fact that you can overwrite a `const` if the top-level 
> > object was not declared `const`.
> 
> Yes, this appears to be the case for the 10 or so unique cases that I found 
> in the kernel.
> 
> > In both cases, the code is valid and so the warning is a false positive. In 
> > both cases, the code is dangerous and the warning is useful. So I kind of 
> > think this is a case where we split the field diagnostic out into its own 
> > group. So we'd have `-Wdefault-const-init-field` which covers field 
> > initialization cases, and it would be grouped under `-Wdefault-const-init` 
> > which covers both fields and variables. WDYT?
> 
> Yes, that seems like a reasonable place to start. I would be happy to test 
> such a change.

https://github.com/llvm/llvm-project/pull/137961 should hopefully address your 
concerns

https://github.com/llvm/llvm-project/pull/137166
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