[all-commits] [llvm/llvm-project] a8a811: [mlir] Fix a rare use-after free in dialect loading

[Benjamin Kramer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a8a811997062d38c6e16e190ecd6377213b77be6
      https://github.com/llvm/llvm-project/commit/a8a811997062d38c6e16e190ecd6377213b77be6
  Author: Benjamin Kramer <benny.kra at googlemail.com>
  Date:   2023-06-19 (Mon, 19 Jun 2023)

  Changed paths:
    M mlir/lib/IR/MLIRContext.cpp

  Log Message:
  -----------
  [mlir] Fix a rare use-after free in dialect loading

applyExtensions can load further dialects, invalidating the reference to
the dialect pointer in the dialects DenseMap. Capture the pointer to
prevent that from happening.