[PATCH] D109359: [TableGen] Emit a warning for unused template args

[Geoffrey Martin-Noble via Phabricator via llvm-commits]

GMNGeoffrey added a comment.

In D109359#3109424 <https://reviews.llvm.org/D109359#3109424>, @GMNGeoffrey wrote:

> In D109359#3109422 <https://reviews.llvm.org/D109359#3109422>, @foad wrote:
>
>> Can you put something like `defvar unused = !size(types);` inside your class?
>
> Thanks for the suggestion, but apparently not :-(
>
>   iree/compiler/Dialect/Util/IR/UtilBase.td:187:25: error: Variable not defined: 'types'
>     defvar unused = !size(types);

I can add a random extra "unused" field though `int unused = !size(types);`


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