[all-commits] [llvm/llvm-project] 99500e: [Clang][C++23] Implement P2448R2: Relaxing some co...

[Mariya Podchishchaeva via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 99500e8c08a4d941acb8a7eb00523296fb2acf7a
      https://github.com/llvm/llvm-project/commit/99500e8c08a4d941acb8a7eb00523296fb2acf7a
  Author: Mariya Podchishchaeva <mariya.podchishchaeva at intel.com>
  Date:   2024-03-07 (Thu, 07 Mar 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/AST/DeclCXX.cpp
    M clang/lib/Sema/SemaDeclCXX.cpp
    M clang/test/AST/Interp/cxx23.cpp
    M clang/test/CXX/class/class.compare/class.compare.default/p3.cpp
    M clang/test/CXX/class/class.compare/class.compare.default/p4.cpp
    M clang/test/CXX/dcl.dcl/dcl.spec/dcl.constexpr/dtor.cpp
    M clang/test/CXX/dcl.dcl/dcl.spec/dcl.constexpr/p3-2b.cpp
    M clang/test/CXX/dcl.dcl/dcl.spec/dcl.constexpr/p3.cpp
    M clang/test/CXX/dcl.dcl/dcl.spec/dcl.constexpr/p4.cpp
    M clang/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p2.cpp
    M clang/test/CXX/drs/dr13xx.cpp
    M clang/test/CXX/drs/dr14xx.cpp
    M clang/test/CXX/drs/dr15xx.cpp
    M clang/test/CXX/drs/dr16xx.cpp
    M clang/test/CXX/drs/dr6xx.cpp
    M clang/test/CXX/expr/expr.const/p5-26.cpp
    M clang/test/CXX/special/class.copy/p13-0x.cpp
    M clang/test/SemaCXX/constant-expression-cxx11.cpp
    M clang/test/SemaCXX/constant-expression-cxx14.cpp
    M clang/test/SemaCXX/constant-expression-cxx2b.cpp
    A clang/test/SemaCXX/cxx23-invalid-constexpr.cpp
    M clang/test/SemaCXX/cxx2a-consteval.cpp
    M clang/test/SemaCXX/deduced-return-type-cxx14.cpp
    M clang/test/SemaOpenCLCXX/addrspace-constructors.clcpp
    M clang/www/cxx_status.html

  Log Message:
  -----------
  [Clang][C++23] Implement P2448R2: Relaxing some constexpr restrictions (#77753)

Per
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p2448r2.html
function/constructor/destructor can be marked `constexpr` even though it
never produces a constant expression.
Non-literal types as return types and parameter types of functions
marked `constexpr` are also allowed.
Since this is not a DR, the diagnostic messages are still preserved for
C++ standards older than C++23.



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