[all-commits] [llvm/llvm-project] 6ee589: [CGObjCMac] Use castAs<> instead of getAs<> to avo...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ee589e2f563a2a5c91f9aeb2762f092dd197e32
      https://github.com/llvm/llvm-project/commit/6ee589e2f563a2a5c91f9aeb2762f092dd197e32
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-01-08 (Sat, 08 Jan 2022)

  Changed paths:
    M clang/lib/CodeGen/CGObjCMac.cpp

  Log Message:
  -----------
  [CGObjCMac] Use castAs<> instead of getAs<> to avoid dereference of nullptr inside BuildRCBlockVarRecordLayout

This will assert the cast is correct instead of returning nullptr (UnionType is a subtype of RecordType so this should be clean).