[all-commits] [llvm/llvm-project] 76910d: [pseudo] Share the underly payload when stripping ...

[Haojian Wu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 76910d4a56c8dba000f198bba13e71cf0492c8cb
      https://github.com/llvm/llvm-project/commit/76910d4a56c8dba000f198bba13e71cf0492c8cb
  Author: Haojian Wu <hokein.wu at gmail.com>
  Date:   2022-07-15 (Fri, 15 Jul 2022)

  Changed paths:
    M clang-tools-extra/pseudo/include/clang-pseudo/Token.h
    M clang-tools-extra/pseudo/lib/Lex.cpp
    M clang-tools-extra/pseudo/lib/Token.cpp

  Log Message:
  -----------
  [pseudo] Share the underly payload when stripping comments for a token stream

`stripComments(cook(...))` is a common pattern being written.
Without this patch, this has a use-after-free issue (cook returns a temporary
TokenStream object which has its own payload, but the payload is not
shared with the one returned by stripComments).

Reviewed By: sammccall

Differential Revision: https://reviews.llvm.org/D125311