[all-commits] [llvm/llvm-project] 95be33: Update dump_ast_matchers.py to Python 3

[Aaron Ballman via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 95be33fb99a605f7261b5eb78ab25954e2e5ce26
      https://github.com/llvm/llvm-project/commit/95be33fb99a605f7261b5eb78ab25954e2e5ce26
  Author: Aaron Ballman <aaron at aaronballman.com>
  Date:   2023-01-10 (Tue, 10 Jan 2023)

  Changed paths:
    M clang/docs/LibASTMatchersReference.html
    M clang/docs/tools/dump_ast_matchers.py

  Log Message:
  -----------
  Update dump_ast_matchers.py to Python 3

Also regenerates the documentation and fixed a validation diagnostic
about use of 'is' vs '=='.