[all-commits] [llvm/llvm-project] e50131: [clang] Diagnose dangling issues for the "Containe...

[Haojian Wu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e50131aa068f74daa70d4135c92020aadae3af33
      https://github.com/llvm/llvm-project/commit/e50131aa068f74daa70d4135c92020aadae3af33
  Author: Haojian Wu <hokein.wu at gmail.com>
  Date:   2024-09-11 (Wed, 11 Sep 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/AttrDocs.td
    M clang/lib/Sema/CheckExprLifetime.cpp
    M clang/test/Sema/warn-lifetime-analysis-nocfg.cpp

  Log Message:
  -----------
  [clang] Diagnose dangling issues for the "Container<GSLPointer>" case. (#107213)

This pull request enhances the GSL lifetime analysis to detect
situations where a dangling `Container<GSLPointer>` object is
constructed:

```cpp
std::vector<std::string_view> bad = {std::string()}; // dangling
```

The assignment case is not yet supported, but they will be addressed in
a follow-up.

Fixes #100526 (excluding the `push_back` case).



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