[llvm-branch-commits] [libcxx] [libc++] Follow-up to "Poison Pills are Too Toxic" (PR #109291)
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Thu Sep 19 07:34:06 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-libcxx
Author: Louis Dionne (ldionne)
<details>
<summary>Changes</summary>
* Update release notes and `Cxx23.html`
* Update `__cpp_lib_ranges` feature test macro
Cherry-pick of #<!-- -->88383 for LLVM 19.
---
Full diff: https://github.com/llvm/llvm-project/pull/109291.diff
12 Files Affected:
- (modified) libcxx/docs/FeatureTestMacroTable.rst (+2)
- (modified) libcxx/docs/ReleaseNotes/19.rst (+1)
- (modified) libcxx/docs/Status/Cxx23.rst (+1)
- (modified) libcxx/docs/Status/Cxx23Papers.csv (+1-1)
- (modified) libcxx/include/version (+4-1)
- (modified) libcxx/test/std/language.support/support.limits/support.limits.general/algorithm.version.compile.pass.cpp (+5-4)
- (modified) libcxx/test/std/language.support/support.limits/support.limits.general/functional.version.compile.pass.cpp (+5-4)
- (modified) libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp (+5-4)
- (modified) libcxx/test/std/language.support/support.limits/support.limits.general/memory.version.compile.pass.cpp (+5-4)
- (modified) libcxx/test/std/language.support/support.limits/support.limits.general/ranges.version.compile.pass.cpp (+5-4)
- (modified) libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp (+5-4)
- (modified) libcxx/utils/generate_feature_test_macro_components.py (+1)
``````````diff
diff --git a/libcxx/docs/FeatureTestMacroTable.rst b/libcxx/docs/FeatureTestMacroTable.rst
index a1506e115fe70f..7f95f0f4e1c17c 100644
--- a/libcxx/docs/FeatureTestMacroTable.rst
+++ b/libcxx/docs/FeatureTestMacroTable.rst
@@ -350,6 +350,8 @@ Status
---------------------------------------------------------- -----------------
``__cpp_lib_print`` ``202207L``
---------------------------------------------------------- -----------------
+ ``__cpp_lib_ranges`` ``202211L``
+ ---------------------------------------------------------- -----------------
``__cpp_lib_ranges_as_const`` *unimplemented*
---------------------------------------------------------- -----------------
``__cpp_lib_ranges_as_rvalue`` ``202207L``
diff --git a/libcxx/docs/ReleaseNotes/19.rst b/libcxx/docs/ReleaseNotes/19.rst
index 92896f6b0d11e7..26210ddb274e5f 100644
--- a/libcxx/docs/ReleaseNotes/19.rst
+++ b/libcxx/docs/ReleaseNotes/19.rst
@@ -77,6 +77,7 @@ Implemented Papers
- P2602R2 - Poison Pills are Too Toxic
- P1981R0 - Rename ``leap`` to ``leap_second``
- P1982R0 - Rename ``link`` to ``time_zone_link``
+- P2602R2 - Poison Pills are Too Toxic (as DR against C++20)
Improvements and New Features
diff --git a/libcxx/docs/Status/Cxx23.rst b/libcxx/docs/Status/Cxx23.rst
index 23d30c8128d71e..8c1cae8b3e3b2f 100644
--- a/libcxx/docs/Status/Cxx23.rst
+++ b/libcxx/docs/Status/Cxx23.rst
@@ -44,6 +44,7 @@ Paper Status
.. [#note-P1413R3] P1413R3: ``std::aligned_storage_t`` and ``std::aligned_union_t`` are marked deprecated, but
clang doesn't issue a diagnostic for deprecated using template declarations.
.. [#note-P2520R0] P2520R0: Libc++ implemented this paper as a DR in C++20 as well.
+ .. [#note-P2602R2] P2602R2: Libc++ implemented this paper as a DR in C++20 as well.
.. [#note-P2711R1] P2711R1: ``join_with_view`` hasn't been done yet since this type isn't implemented yet.
.. [#note-P2770R0] P2770R0: ``join_with_view`` hasn't been done yet since this type isn't implemented yet.
.. [#note-P2693R1] P2693R1: The formatter for ``std::thread::id`` is implemented.
diff --git a/libcxx/docs/Status/Cxx23Papers.csv b/libcxx/docs/Status/Cxx23Papers.csv
index 92f4908487ae72..f46bb844532029 100644
--- a/libcxx/docs/Status/Cxx23Papers.csv
+++ b/libcxx/docs/Status/Cxx23Papers.csv
@@ -100,7 +100,7 @@
"`P2396R1 <https://wg21.link/P2396R1>`__","LWG", "Concurrency TS 2 fixes ", "November 2022","","","|concurrency TS|"
"`P2505R5 <https://wg21.link/P2505R5>`__","LWG", "Monadic Functions for ``std::expected``", "November 2022","|Complete|","17.0",""
"`P2539R4 <https://wg21.link/P2539R4>`__","LWG", "Should the output of ``std::print`` to a terminal be synchronized with the underlying stream?", "November 2022","|Complete|","18.0","|format|"
-"`P2602R2 <https://wg21.link/P2602R2>`__","LWG", "Poison Pills are Too Toxic", "November 2022","|Complete|","19.0","|ranges|"
+"`P2602R2 <https://wg21.link/P2602R2>`__","LWG", "Poison Pills are Too Toxic", "November 2022","|Complete| [#note-P2602R2]_","19.0","|ranges| |DR|"
"`P2708R1 <https://wg21.link/P2708R1>`__","LWG", "No Further Fundamentals TSes", "November 2022","|Nothing to do|","",""
"","","","","","",""
"`P0290R4 <https://wg21.link/P0290R4>`__","LWG", "``apply()`` for ``synchronized_value<T>``","February 2023","","","|concurrency TS|"
diff --git a/libcxx/include/version b/libcxx/include/version
index fe64343eafbc9c..c8a31f77a915e1 100644
--- a/libcxx/include/version
+++ b/libcxx/include/version
@@ -182,8 +182,9 @@ __cpp_lib_philox_engine 202406L <random>
__cpp_lib_polymorphic_allocator 201902L <memory_resource>
__cpp_lib_print 202207L <ostream> <print>
__cpp_lib_quoted_string_io 201304L <iomanip>
-__cpp_lib_ranges 202207L <algorithm> <functional> <iterator>
+__cpp_lib_ranges 202211L <algorithm> <functional> <iterator>
<memory> <ranges>
+ 202207L // C++20
__cpp_lib_ranges_as_const 202207L <ranges>
__cpp_lib_ranges_as_rvalue 202207L <ranges>
__cpp_lib_ranges_chunk 202202L <ranges>
@@ -480,6 +481,8 @@ __cpp_lib_void_t 201411L <type_traits>
# define __cpp_lib_optional 202110L
# define __cpp_lib_out_ptr 202106L
# define __cpp_lib_print 202207L
+# undef __cpp_lib_ranges
+# define __cpp_lib_ranges 202211L
// # define __cpp_lib_ranges_as_const 202207L
# define __cpp_lib_ranges_as_rvalue 202207L
// # define __cpp_lib_ranges_chunk 202202L
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/algorithm.version.compile.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/algorithm.version.compile.pass.cpp
index ded80060632419..6b756535569f6f 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/algorithm.version.compile.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/algorithm.version.compile.pass.cpp
@@ -22,6 +22,7 @@
__cpp_lib_freestanding_algorithm 202311L [C++26]
__cpp_lib_parallel_algorithm 201603L [C++17]
__cpp_lib_ranges 202207L [C++20]
+ 202211L [C++23]
__cpp_lib_ranges_contains 202207L [C++23]
__cpp_lib_ranges_find_last 202207L [C++23]
__cpp_lib_ranges_starts_ends_with 202106L [C++23]
@@ -321,8 +322,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++23"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++23"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++23"
# endif
# ifndef __cpp_lib_ranges_contains
@@ -425,8 +426,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++26"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++26"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++26"
# endif
# ifndef __cpp_lib_ranges_contains
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/functional.version.compile.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/functional.version.compile.pass.cpp
index 27e76e5b2b05a3..3c6a23aadc449b 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/functional.version.compile.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/functional.version.compile.pass.cpp
@@ -28,6 +28,7 @@
__cpp_lib_move_only_function 202110L [C++23]
__cpp_lib_not_fn 201603L [C++17]
__cpp_lib_ranges 202207L [C++20]
+ 202211L [C++23]
__cpp_lib_reference_wrapper 202403L [C++26]
__cpp_lib_result_of_sfinae 201210L [C++14]
__cpp_lib_transparent_operators 201210L [C++14]
@@ -409,8 +410,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++23"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++23"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++23"
# endif
# ifdef __cpp_lib_reference_wrapper
@@ -531,8 +532,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++26"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++26"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++26"
# endif
# ifndef __cpp_lib_reference_wrapper
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp
index 700907ce9bb071..0ea31289e32615 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp
@@ -24,6 +24,7 @@
__cpp_lib_nonmember_container_access 201411L [C++17]
__cpp_lib_null_iterators 201304L [C++14]
__cpp_lib_ranges 202207L [C++20]
+ 202211L [C++23]
__cpp_lib_ssize 201902L [C++20]
*/
@@ -255,8 +256,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++23"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++23"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++23"
# endif
# ifndef __cpp_lib_ssize
@@ -313,8 +314,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++26"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++26"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++26"
# endif
# ifndef __cpp_lib_ssize
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/memory.version.compile.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/memory.version.compile.pass.cpp
index aa1170658b103a..92e1b862fef9d3 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/memory.version.compile.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/memory.version.compile.pass.cpp
@@ -29,6 +29,7 @@
__cpp_lib_out_ptr 202106L [C++23]
202311L [C++26]
__cpp_lib_ranges 202207L [C++20]
+ 202211L [C++23]
__cpp_lib_raw_memory_algorithms 201606L [C++17]
__cpp_lib_shared_ptr_arrays 201611L [C++17]
201707L [C++20]
@@ -495,8 +496,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++23"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++23"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++23"
# endif
# ifndef __cpp_lib_raw_memory_algorithms
@@ -626,8 +627,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++26"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++26"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++26"
# endif
# ifndef __cpp_lib_raw_memory_algorithms
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/ranges.version.compile.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/ranges.version.compile.pass.cpp
index 30feacd796d8e1..75b2ef57143fcd 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/ranges.version.compile.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/ranges.version.compile.pass.cpp
@@ -18,6 +18,7 @@
/* Constant Value
__cpp_lib_default_template_type_for_algorithm_values 202403L [C++26]
__cpp_lib_ranges 202207L [C++20]
+ 202211L [C++23]
__cpp_lib_ranges_as_const 202207L [C++23]
__cpp_lib_ranges_as_rvalue 202207L [C++23]
__cpp_lib_ranges_chunk 202202L [C++23]
@@ -245,8 +246,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++23"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++23"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++23"
# endif
# if !defined(_LIBCPP_VERSION)
@@ -364,8 +365,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++26"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++26"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++26"
# endif
# if !defined(_LIBCPP_VERSION)
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp
index b8bad696f1bae0..5545298c23670b 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp
@@ -167,6 +167,7 @@
__cpp_lib_print 202207L [C++23]
__cpp_lib_quoted_string_io 201304L [C++14]
__cpp_lib_ranges 202207L [C++20]
+ 202211L [C++23]
__cpp_lib_ranges_as_const 202207L [C++23]
__cpp_lib_ranges_as_rvalue 202207L [C++23]
__cpp_lib_ranges_chunk 202202L [C++23]
@@ -5619,8 +5620,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++23"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++23"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++23"
# endif
# if !defined(_LIBCPP_VERSION)
@@ -7470,8 +7471,8 @@
# ifndef __cpp_lib_ranges
# error "__cpp_lib_ranges should be defined in c++26"
# endif
-# if __cpp_lib_ranges != 202207L
-# error "__cpp_lib_ranges should have the value 202207L in c++26"
+# if __cpp_lib_ranges != 202211L
+# error "__cpp_lib_ranges should have the value 202211L in c++26"
# endif
# if !defined(_LIBCPP_VERSION)
diff --git a/libcxx/utils/generate_feature_test_macro_components.py b/libcxx/utils/generate_feature_test_macro_components.py
index 6c42748002aee3..ab32d29e6f36e2 100755
--- a/libcxx/utils/generate_feature_test_macro_components.py
+++ b/libcxx/utils/generate_feature_test_macro_components.py
@@ -992,6 +992,7 @@ def add_version_header(tc):
"name": "__cpp_lib_ranges",
"values": {
"c++20": 202207,
+ "c++23": 202211, # P2602R2 Poison Pills are Too Toxic
# "c++23": 202302, # Relaxing Ranges Just A Smidge
# "c++26": 202406, # P2997R1 Removing the common reference requirement from the indirectly invocable concepts (already implemented as a DR)
},
``````````
</details>
https://github.com/llvm/llvm-project/pull/109291
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