[all-commits] [llvm/llvm-project] 629afd: [flang][Lower] Fix use-after-free with TypeRange (...

[Krzysztof Parzyszek via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 629afd4dea1860755b4b7c05bb48538b8710c9d1
      https://github.com/llvm/llvm-project/commit/629afd4dea1860755b4b7c05bb48538b8710c9d1
  Author: Krzysztof Parzyszek <Krzysztof.Parzyszek at amd.com>
  Date:   2024-03-12 (Tue, 12 Mar 2024)

  Changed paths:
    M flang/lib/Lower/IO.cpp

  Log Message:
  -----------
  [flang][Lower] Fix use-after-free with TypeRange (#84369)

TypeRange is an iterator range, it does not own storage spanned by the
iterators. When using TypeRange, make sure that the actual contents
don't "expire" while the range is in use.

This was detected by address sanitizer.



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