Merge pull request #421 from boostorg/issue418

Refactor C++20 header configuration.

.github/workflows/ci.yml

@@ -244,6 +244,44 @@ jobs:
       - name: Test
         run: ..\..\..\b2 --hash address-model=64 cxxstd=14,17,latest toolset=msvc-14.3
         working-directory: ../boost-root/libs/config/test
+  windows_clang_msvc_14_3:
+    runs-on: windows-2022
+    defaults:
+      run:
+        shell: cmd
+    strategy:
+      fail-fast: false
+      matrix:
+        toolset: [ clang-msvc-14.3 ]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: '0'
+      - uses: mstachniuk/ci-skip@v1
+        with:
+          commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[apple];[Apple];[APPLE];[linux];[Linux];[LINUX]'
+          commit-filter-separator: ';'
+          fail-fast: true
+      - name: Checkout main boost
+        run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
+      - name: Update Dependencies
+        run: git submodule update --init tools/build tools/boost_install libs/headers libs/detail libs/core libs/assert libs/type_traits
+        working-directory: ../boost-root
+      - name: Copy files
+        run: xcopy /s /e /q %GITHUB_WORKSPACE% libs\config
+        working-directory: ../boost-root
+      - name: Bootstrap
+        run: bootstrap
+        working-directory: ../boost-root
+      - name: Generate headers
+        run: b2 headers
+        working-directory: ../boost-root
+      - name: Config info
+        run: ..\..\..\b2 print_config_info cxxstd=14,17,latest address-model=64 toolset=clang-win embed-manifest-via=linker
+        working-directory: ../boost-root/libs/config/test
+      - name: Test
+        run: ..\..\..\b2 --hash address-model=64 cxxstd=14,17,latest toolset=clang-win embed-manifest-via=linker
+        working-directory: ../boost-root/libs/config/test
   non_intel_ubuntu_20_04_gcc:
     runs-on: ubuntu-20.04
     strategy:

checks/Jamfile.v2

@@ -1,6 +1,6 @@
 #
 # *** DO NOT EDIT THIS FILE BY HAND ***
-# This file was automatically generated on Tue Aug 17 16:27:31 2021
+# This file was automatically generated on Thu Feb  3 18:10:41 2022
 #  by libs/config/tools/generate.cpp
 # Copyright John Maddock.
 # Use, modification and distribution are subject to the 
@@ -147,6 +147,7 @@ obj cxx20_hdr_source_location : test_case.cpp : <define>TEST_BOOST_NO_CXX20_HDR_
 obj cxx20_hdr_span : test_case.cpp : <define>TEST_BOOST_NO_CXX20_HDR_SPAN ;
 obj cxx20_hdr_stop_token : test_case.cpp : <define>TEST_BOOST_NO_CXX20_HDR_STOP_TOKEN ;
 obj cxx20_hdr_syncstream : test_case.cpp : <define>TEST_BOOST_NO_CXX20_HDR_SYNCSTREAM ;
+obj cxx20_hdr_version : test_case.cpp : <define>TEST_BOOST_NO_CXX20_HDR_VERSION ;
 obj cxx98_binders : test_case.cpp : <define>TEST_BOOST_NO_CXX98_BINDERS ;
 obj cxx98_function_base : test_case.cpp : <define>TEST_BOOST_NO_CXX98_FUNCTION_BASE ;
 obj cxx98_random_shuffle : test_case.cpp : <define>TEST_BOOST_NO_CXX98_RANDOM_SHUFFLE ;

checks/std/cpp_aggregate_bases_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_aggregate_nsdmi_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_alias_templates_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_aligned_new_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_attributes_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_binary_literals_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_capture_star_this_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_char8_t_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_conditional_explicit_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_constexpr_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_constexpr_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_constexpr_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_decltype_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_decltype_auto_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_deduction_guides_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_delegating_constructors_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_enumerator_attributes_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_exceptions_03.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_explicit_conversion_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_fold_expressions_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_generic_lambdas_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_guaranteed_copy_elision_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_hex_float_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_if_constexpr_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_impl_destroying_delete_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_impl_three_way_comparison_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_inheriting_constructors_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_inheriting_constructors_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_init_captures_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_initializer_lists_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_inline_variables_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lambdas_11.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_addressof_constexpr_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_allocator_traits_is_always_equal_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_any_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_apply_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_array_constexpr_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_as_const_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_atomic_is_always_lock_free_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_atomic_ref_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_bind_front_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_bit_cast_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_bool_constant_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_boyer_moore_searcher_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_byte_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_char8_t_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_chrono_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_chrono_udls_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_clamp_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_complex_udls_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_concepts_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_constexpr_misc_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_constexpr_swap_algorithms_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_destroying_delete_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_enable_shared_from_this_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_erase_if_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_exchange_function_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_execution_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_filesystem_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_gcd_lcm_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_generic_associative_lookup_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_generic_unordered_lookup_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_hardware_interference_size_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_has_unique_object_representations_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_hypot_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_incomplete_container_elements_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_integer_sequence_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_integral_constant_callable_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_invoke_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_aggregate_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_constant_evaluated_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_final_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_invocable_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_null_pointer_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_is_swappable_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_launder_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_list_remove_return_type_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_logical_traits_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_make_from_tuple_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_make_reverse_iterator_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_make_unique_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_map_try_emplace_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_math_special_functions_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_memory_resource_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_node_extract_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_nonmember_container_access_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_not_fn_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_null_iterators_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_optional_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_parallel_algorithm_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_quoted_string_io_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_ranges_20.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_raw_memory_algorithms_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_result_of_sfinae_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_robust_nonmodifying_seq_ops_14.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_sample_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_scoped_lock_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the 

checks/std/cpp_lib_shared_mutex_17.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Tue Aug 17 16:27:31 2021
+//  This file was automatically generated on Thu Feb  3 18:10:41 2022
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-21.
 //  Use, modification and distribution are subject to the