[Mlir-commits] [mlir] [mlir] fix a segment fault in `ConversionPatternRewriter::applySignatureConversion` (PR #82530)

[Chao Chen]

chencha3 wrote:

> Can you add a test case that triggers this bug?
Hi Matthias,
Thanks for your feedback. Yes, a simple test case is added now. 

https://github.com/llvm/llvm-project/pull/82530