dblaikie added a comment.

In D141826#4059088 <https://reviews.llvm.org/D141826#4059088>, @erichkeane 
wrote:

> In D141826#4059073 <https://reviews.llvm.org/D141826#4059073>, @Michael137 
> wrote:
>
>> In D141826#4058866 <https://reviews.llvm.org/D141826#4058866>, @erichkeane 
>> wrote:
>>
>>> This seems innocuous enough/easy enough to use.  I'd like a comment on the 
>>> functions at least and types in TemplateBase.h to specify that this is for 
>>> printing-policy only?  Alternatively (and perhaps MUCH more appreciated) 
>>> would be to make sure we mark the defaulted during AST generation as well.
>>
>> I'll have a look at doing that
>>
>> Are you suggesting we do the substitution check that the TypePrinter 
>> currently does when constructing the specialisation decls? So the 
>> TypePrinter simply needs to check the `TemplateArgument::getIsDefaulted`? I 
>> like the sound of that.
>>
>> Unfortunately we'd still need the `setIsDefaulted` because of the DWARF 
>> limitation in LLDB
>
> Yes, thats my thought.  Of course we'd still need the 'setIsDefaulted', but 
> at least it would be something that coudl be generally useful.

Yeah, +1 for ensuring everything goes through the one solution (the 
`IsDefaulted` flag, in this case) - it'll make sure the flag support is well 
tested & is less likely to bitrot/break lldb's use case due to unrelated clang 
changes.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141826/new/

https://reviews.llvm.org/D141826

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