[all-commits] [llvm/llvm-project] 7f20c6: [Clang] [Sema] Always rebuild `this` if captured b...

[Sirraide via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7f20c6c29ec6f4eed7e1e3b23f938d7ced238902
      https://github.com/llvm/llvm-project/commit/7f20c6c29ec6f4eed7e1e3b23f938d7ced238902
  Author: Sirraide <aeternalmail at gmail.com>
  Date:   2025-08-20 (Wed, 20 Aug 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/Sema/TreeTransform.h
    M clang/test/CodeGenCXX/cxx2b-deducing-this.cpp

  Log Message:
  -----------
  [Clang] [Sema] Always rebuild `this` if captured by value in a lambda with a dependent explicit object parameter (#154276)

We have a flag that tracks whether a `CXXThisExpr` refers to a `*this`
capture in a lambda with a dependent explicit object parameter; this is
to mark it and member accesses involving it as dependent because there
is no other way to track that (DREs have a similar flag); when
instantiating the lambda, we need to always rebuild the `CXXThisExpr` to
potentially clear that flag if the explicit object parameter is no
longer dependent.

Fixes #154054.



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