[Mlir-commits] [mlir] [mlir] Fix use-after-free bugs in {RankedTensorType|VectorType}::Builder (PR #68969)

[Benjamin Maxwell]

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@@ -277,7 +277,7 @@ class RankedTensorType::Builder {
     if (storage.empty())
       storage.append(shape.begin(), shape.end());
     storage.erase(storage.begin() + pos);
-    shape = {storage.data(), storage.size()};
+    shape = {};
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MacDue wrote:

No, that's the bug. If you copy the builder and the first is destroyed you end up with array refs pointing at junk. The new getters prevent that.

https://github.com/llvm/llvm-project/pull/68969