[Mlir-commits] [mlir] [mlir] Attempt to resolve edge cases in PassPipeline textual format (PR #118877)

[Jeremy Kun]

j2kun wrote:

This PR seems to change the behavior of a string option with no default, when passing the empty string `my-pass{option=}`. Is it expected that this means you cannot override an unset string option with an empty string?

https://github.com/llvm/llvm-project/pull/118877