[Mlir-commits] [mlir] [mlir][transform] TrackingListener: Improve dead handles detection (PR #74290)

[Oleksandr Alex Zinenko]

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@@ -784,12 +782,12 @@ class TransformState {
   /// location.
   InvalidatedHandleMap invalidatedHandles;
 
-#if LLVM_ENABLE_ABI_BREAKING_CHECKS
   /// A stack of nested regions that are being processed in the transform IR.
   /// Each region must be an ancestor of the following regions in this list.
   /// These are also the keys for "mappings".
-  SmallVector<Region *> regionStack;
-#endif // LLVM_ENABLE_ABI_BREAKING_CHECKS
+  SmallVector<RegionScope *> regionStack;
+
+  std::unique_ptr<RegionScope> topLevelRegionScope;
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ftynse wrote:

Ditto.

https://github.com/llvm/llvm-project/pull/74290