[all-commits] [llvm/llvm-project] 8480c9: [clang] pointer to member with qualified-id enclos...

[YanzuoLiu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8480c93e36b33c237540e20c97cda8fb3d196f1f
      https://github.com/llvm/llvm-project/commit/8480c93e36b33c237540e20c97cda8fb3d196f1f
  Author: YanzuoLiu <zwuis at outlook.com>
  Date:   2024-05-03 (Fri, 03 May 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/Sema/SemaExpr.cpp
    M clang/test/CXX/expr/expr.unary/expr.unary.op/p4.cpp

  Log Message:
  -----------
  [clang] pointer to member with qualified-id enclosed in parentheses in unevaluated context should be invalid (#89713)

clang don't check whether the operand of the & operator is enclosed in
parantheses when pointer to member is formed in unevaluated context, for
example:

```cpp
struct foo { int val; };

int main() { decltype(&(foo::val)) ptr; }
```

`decltype(&(foo::val))` should be invalid, but clang accepts it. This PR
fixes this issue.

Fixes #40906.

---------

Co-authored-by: cor3ntin <corentinjabot at gmail.com>



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