[PATCH] D79895: Add a new warning to warn when passing uninitialized variables as const reference parameters to a function

Arthur Eubanks via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Tue Jun 23 17:49:10 PDT 2020


aeubanks added a comment.

In D79895#2110345 <https://reviews.llvm.org/D79895#2110345>, @nick wrote:

> > We didn't see it in the code bases I work with, so is boost a special case, or an example of a common practice?
>
> I do not have resources to make such statistics, but there are compilers where casting to void is not enough to suppress the warning. https://herbsutter.com/2009/10/18/mailbag-shutting-up-compiler-warnings/#comment-1509 https://godbolt.org/z/pS_iQ3
>
> > If it's just boost, fixing the code seems better
>
> Have you tried to push a fix for a warning in Boost? If it was that simple. A part of my warning-fixing PRs are not merged in years. And considering that fixing this warning will reintroduce warnings for other compilers I probably will have a bad luck with this one too.
>
> > (it will compile faster too).
>
> Should I open a PR with replacing `std::forward` with `static_cast` because it compiles faster? :-)


Perhaps asking for more opinions in cfe-dev will be better.


Repository:
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  https://reviews.llvm.org/D79895/new/

https://reviews.llvm.org/D79895





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