[all-commits] [llvm/llvm-project] 2767f4: [Lex] Migrate away from PointerUnion::dyn_cast (NF...

[Kazu Hirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2767f4bf0d5a70aa990dbfb3341a1bc03effcdbd
      https://github.com/llvm/llvm-project/commit/2767f4bf0d5a70aa990dbfb3341a1bc03effcdbd
  Author: Kazu Hirata <kazu at google.com>
  Date:   2025-02-02 (Sun, 02 Feb 2025)

  Changed paths:
    M clang/include/clang/Lex/Preprocessor.h

  Log Message:
  -----------
  [Lex] Migrate away from PointerUnion::dyn_cast (NFC) (#125380)

Note that PointerUnion::dyn_cast has been soft deprecated in
PointerUnion.h:

  // FIXME: Replace the uses of is(), get() and dyn_cast() with
  //        isa<T>, cast<T> and the llvm::dyn_cast<T>

This patch migrates the use of PointerUnion::dyn_cast to
dyn_cast_if_present because State is not guaranteed to be nonnull
elsewhere in this class.  See:

  commit 563c7c5539f05e7f8cbb42565c1f24466019f38b
  Author: Kazu Hirata <kazu at google.com>
  Date:   Sat Jan 25 14:05:01 2025 -0800

FWIW, I am not aware of any test case in check-clang that triggers
null here.



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