[all-commits] [llvm/llvm-project] eddb17: [clang] Migrate away from PointerUnion::dyn_cast (...

[Kazu Hirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: eddb17da45c0d2c23d71a1cef3e09821989988f2
      https://github.com/llvm/llvm-project/commit/eddb17da45c0d2c23d71a1cef3e09821989988f2
  Author: Kazu Hirata <kazu at google.com>
  Date:   2026-10-04 (Sun, 04 Oct 2026)

  Changed paths:
    M clang/lib/Analysis/LifetimeSafety/Checker.cpp

  Log Message:
  -----------
  [clang] Migrate away from PointerUnion::dyn_cast (NFC) (#228843)

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>

Literal migration would result in dyn_cast_if_present (see the
definition of PointerUnion::dyn_cast), but this patch uses dyn_cast.
Note that the if-then-else chain ends with:

    } else
      llvm_unreachable("Unhandled CausingFact type");

which guarantees that CausingFact is nonnull.

Assisted-by: Antigravity



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