[PATCH] D18271: Avoid -Wshadow warnings about constructor parameters named after fields
Richard Smith via cfe-commits
cfe-commits at lists.llvm.org
Thu Apr 7 17:18:02 PDT 2016
On Thu, Apr 7, 2016 at 5:12 PM, David Blaikie <dblaikie at gmail.com> wrote:
> On Thu, Apr 7, 2016 at 5:05 PM, Reid Kleckner via cfe-commits <
> cfe-commits at lists.llvm.org> wrote:
>> rnk updated this revision to Diff 52982.
>> rnk marked 3 inline comments as done.
>> rnk added a comment.
>> - Add -Wshadow-all and -Wshadow-field-in-constructor, also address review
> Strikes me as strange that we're adding a new name for a flag that matches
> the behavior of GCC's -Wshadow, rather than introducing the better one
> under a new name. (that way people already using it would continue to get
> the same behavior - people who came from GCC would get the same behavior
> they were already getting, etc)
The argument that won out in discussion with rnk was that we want the nice
name (-Wshadow) to be usable by default. This won't be the first time our
-Wshadow doesn't warn on something that GCC's does; we already suppress
warnings on a variable shadowing a function that GCC warns about (or at
least, used to).
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