[Mlir-commits] [mlir] [MLIR] Check that the prop-dict dictionnary does not have extra unknown entries (PR #138668)

[Mehdi Amini]

joker-eph wrote:

> The tracking set doesn't need to be a set of attributes? We could use a llvm::StringSet or such here?

The `contains` query will be a pointer comparison with a set of attributes. The `llvm::StringSet` is owning and will make a deep copy of the string internally.

https://github.com/llvm/llvm-project/pull/138668