[PATCH] D126796: [clang][driver] adds `-print-diagnostics`

Wed Jun 1 12:57:59 PDT 2022

aaron.ballman added a comment.

In D126796#3551280 <https://reviews.llvm.org/D126796#3551280>, @MaskRay wrote:

> In D126796#3551261 <https://reviews.llvm.org/D126796#3551261>, @cjdb wrote:
>
>> In D126796#3550848 <https://reviews.llvm.org/D126796#3550848>, @MaskRay wrote:
>>
>>> FYI `diagtool tree` dumps the diagnostics. You can even provide -W options and observe the differences.
>>
>> Is `diagtool tree` something that users widely know about?
>
> I think no. But any random new option to clang will have the same discoverability problem.

Yes, but I think there's a pretty wide discoverability gap between "documented command line option that shows up in Clang" and "random utility that doesn't have any obvious relationship to Clang specifically".

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https://reviews.llvm.org/D126796