[PATCH] D36386: [clang] Remove unit test which uses reverse-iterate and fix a PointerLikeTypeTrait specialization

[Grang, Mandeep Singh via cfe-commits]

In D35043 I have removed the llvm tests which use -reverse-iterate. This 
patch removes the clang tests.

Should I post a later patch to change all "class PointerLikeTypeTraits" 
to "struct PointerLikeTypeTraits"?

On 8/7/2017 2:50 PM, David Blaikie wrote:
>
>
> On Mon, Aug 7, 2017 at 12:08 PM Mandeep Singh Grang via Phabricator 
> <reviews at reviews.llvm.org <mailto:reviews at reviews.llvm.org>> wrote:
>
>     mgrang added a comment.
>
>     This patch does 3 things:
>
>     1. Get rid of the unit test objc-modern-metadata-visibility2.mm
>     <http://objc-modern-metadata-visibility2.mm> because this test
>     check uses flag -reverse-iterate. This flag will be removed in
>     https://reviews.llvm.org/D35043.
>
>
> Sure - please commit that separately (probably once D35043 is approved 
> - probably best to include that removal in D35043, or a separate patch 
> that /only/ removes the -reverse-iterate flag (& any tests that use 
> it) as a standalone change?).
>
> Does this test need a replacement? If this test is removed and the 
> underlying issue it was testing regresses, will one of the buildbots 
> (reverse or normal) catch the problem?
>
>     2. https://reviews.llvm.org/D35043 gets rid of the empty base
>     definition for PointerLikeTypeTraits. This results in a compiler
>     warning because PointerLikeTypeTrait has been defined as struct
>     here while in the header it is a class. So I have changed struct
>     to class.
>
>
> I'd probably go the other way - traits classes like this make more 
> sense as structs, I think - it only has public members & no 
> implementation really has any need for supporting private members.
>
>     3. Since I changed struct PointerLikeTypeTrait to class
>     PointerLikeTypeTrait here, the member functions are no longer
>     public now. This results in a compiler error. So I explicitly
>     marked them as public here.
>
>
>     https://reviews.llvm.org/D36386
>
>
>

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