[all-commits] [llvm/llvm-project] 2a0750: [Clang] Add __builtin_is_within_lifetime to implem...

[Mital Ashok via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2a07509c8d3c8b5b2c88e4f73dde0071bf506870
      https://github.com/llvm/llvm-project/commit/2a07509c8d3c8b5b2c88e4f73dde0071bf506870
  Author: Mital Ashok <mital at mitalashok.co.uk>
  Date:   2024-09-05 (Thu, 05 Sep 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/Builtins.td
    M clang/include/clang/Basic/DiagnosticASTKinds.td
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/AST/ByteCode/State.h
    M clang/lib/AST/ExprConstant.cpp
    M clang/lib/CodeGen/CGBuiltin.cpp
    M clang/lib/Sema/SemaChecking.cpp
    M clang/lib/Sema/SemaExpr.cpp
    A clang/test/SemaCXX/builtin-is-within-lifetime.cpp
    A clang/test/SemaCXX/consteval-builtin.cpp

  Log Message:
  -----------
  [Clang] Add __builtin_is_within_lifetime to implement P2641R4's std::is_within_lifetime (#91895)

[P2641R4](https://wg21.link/P2641R4)

This new builtin function is declared `consteval`. Support for
`-fexperimental-new-constant-interpreter` will be added in a later
patch.

---------

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



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