[libc++] Fix incorrect links and broken formatting in CSV status files (llvm#191289)

Also, update the conformance script to look for closed issues when
searching for unlinked issues.

Author: ldionne

libcxx/docs/Status/Cxx20Issues.csv

@@ -171,7 +171,7 @@
 "`LWG3222 <https://wg21.link/LWG3222>`__","P0574R1 introduced preconditions on non-existent parameters","2019-11 (Belfast)","","","`#100259 <https://github.com/llvm/llvm-project/issues/100259>`__",""
 "`LWG3221 <https://wg21.link/LWG3221>`__","Result of ``year_month``\  arithmetic with ``months``\  is ambiguous","2019-11 (Belfast)","|Complete|","8","`#103870 <https://github.com/llvm/llvm-project/issues/103870>`__",""
 "`LWG3235 <https://wg21.link/LWG3235>`__","``parse``\  manipulator without abbreviation is not callable","2019-11 (Belfast)","","","`#100262 <https://github.com/llvm/llvm-project/issues/100262>`__",""
-"`LWG3246 <https://wg21.link/LWG3246>`__","LWG3246: What are the constraints on the template parameter of `basic_format_arg`?","2019-11 (Belfast)","|Nothing To Do|","","`#100263 <https://github.com/llvm/llvm-project/issues/100263>`__",""
+"`LWG3246 <https://wg21.link/LWG3246>`__","LWG3246: What are the constraints on the template parameter of ``basic_format_arg``?","2019-11 (Belfast)","|Nothing To Do|","","`#100263 <https://github.com/llvm/llvm-project/issues/100263>`__",""
 "`LWG3253 <https://wg21.link/LWG3253>`__","``basic_syncbuf::basic_syncbuf()``\  should not be explicit","2019-11 (Belfast)","|Complete|","20","`#100264 <https://github.com/llvm/llvm-project/issues/100264>`__",""
 "`LWG3245 <https://wg21.link/LWG3245>`__","Unnecessary restriction on ``'%p'``\  parse specifier","2019-11 (Belfast)","","","`#100265 <https://github.com/llvm/llvm-project/issues/100265>`__",""
 "`LWG3244 <https://wg21.link/LWG3244>`__","Constraints for ``Source``\  in |sect|\ [fs.path.req] insufficiently constrainty","2019-11 (Belfast)","","","`#100266 <https://github.com/llvm/llvm-project/issues/100266>`__",""

libcxx/docs/Status/Cxx2cIssues.csv

@@ -36,7 +36,7 @@
 "`LWG3970 <https://wg21.link/LWG3970>`__","[mdspan.syn] Missing definition of ``full_extent_t`` and ``full_extent``","2023-11 (Kona)","","","`#105306 <https://github.com/llvm/llvm-project/issues/105306>`__",""
 "`LWG3973 <https://wg21.link/LWG3973>`__","Monadic operations should be ADL-proof","2023-11 (Kona)","","","`#105307 <https://github.com/llvm/llvm-project/issues/105307>`__",""
 "`LWG3974 <https://wg21.link/LWG3974>`__","``mdspan::operator[]`` should not copy ``OtherIndexTypes``","2023-11 (Kona)","","","`#105308 <https://github.com/llvm/llvm-project/issues/105308>`__",""
-"`LWG3987 <https://wg21.link/LWG3987>`__","Including `<flat_foo>` doesn't provide `std::begin`/`end`","2023-11 (Kona)","|Complete|","","`#105309 <https://github.com/llvm/llvm-project/issues/105309>`__",""
+"`LWG3987 <https://wg21.link/LWG3987>`__","Including ``<flat_foo>`` doesn't provide ``std::begin``/``end``","2023-11 (Kona)","|Complete|","","`#105309 <https://github.com/llvm/llvm-project/issues/105309>`__",""
 "`LWG3990 <https://wg21.link/LWG3990>`__","Program-defined specializations of ``std::tuple`` and ``std::variant`` can't be properly supported","2023-11 (Kona)","|Complete|","21","`#105310 <https://github.com/llvm/llvm-project/issues/105310>`__",""
 "`LWG4001 <https://wg21.link/LWG4001>`__","``iota_view`` should provide ``empty``","2023-11 (Kona)","|Complete|","19","`#105311 <https://github.com/llvm/llvm-project/issues/105311>`__",""
 "","","","","","",""
@@ -45,7 +45,7 @@
 "`LWG3950 <https://wg21.link/LWG3950>`__","``std::basic_string_view`` comparison operators are overspecified","2024-03 (Tokyo)","|Complete|","18","`#105316 <https://github.com/llvm/llvm-project/issues/105316>`__",""
 "`LWG3975 <https://wg21.link/LWG3975>`__","Specializations of ``basic_format_context`` should not be permitted","2024-03 (Tokyo)","|Nothing To Do|","","`#105317 <https://github.com/llvm/llvm-project/issues/105317>`__",""
 "`LWG3984 <https://wg21.link/LWG3984>`__","``ranges::to``'s recursion branch may be ill-formed","2024-03 (Tokyo)","|Complete|","19","`#105318 <https://github.com/llvm/llvm-project/issues/105318>`__",""
-"`LWG4011 <https://wg21.link/LWG4011>`__","""`Effects`: Equivalent to return"" in ``[span.elem]``","2024-03 (Tokyo)","|Nothing To Do|","","`#105319 <https://github.com/llvm/llvm-project/issues/105319>`__",""
+"`LWG4011 <https://wg21.link/LWG4011>`__","""``Effects``: Equivalent to return"" in ``[span.elem]``","2024-03 (Tokyo)","|Nothing To Do|","","`#105319 <https://github.com/llvm/llvm-project/issues/105319>`__",""
 "`LWG4012 <https://wg21.link/LWG4012>`__","``common_view::begin/end`` are missing the ``simple-view`` check","2024-03 (Tokyo)","|Complete|","23","`#105320 <https://github.com/llvm/llvm-project/issues/105320>`__",""
 "`LWG4013 <https://wg21.link/LWG4013>`__","``lazy_split_view::outer-iterator::value_type`` should not provide default constructor","2024-03 (Tokyo)","","","`#105321 <https://github.com/llvm/llvm-project/issues/105321>`__",""
 "`LWG4016 <https://wg21.link/LWG4016>`__","container-insertable checks do not match what container-inserter does","2024-03 (Tokyo)","|Complete|","20","`#105322 <https://github.com/llvm/llvm-project/issues/105322>`__",""
@@ -267,7 +267,7 @@
 "`LWG3662 <https://wg21.link/LWG3662>`__","``basic_string::append/assign(NTBS, pos, n)`` suboptimal","2026-03 (Croydon)","","","`#189809 <https://github.com/llvm/llvm-project/issues/189809>`__",""
 "`LWG3777 <https://wg21.link/LWG3777>`__","Common ``cartesian_product_view`` produces an invalid range if the first range is input and one of the ranges is empty","2026-03 (Croydon)","","","`#189810 <https://github.com/llvm/llvm-project/issues/189810>`__",""
 "`LWG3797 <https://wg21.link/LWG3797>`__","``elements_view`` insufficiently constrained","2026-03 (Croydon)","","","`#189811 <https://github.com/llvm/llvm-project/issues/189811>`__",""
-"`LWG3831 <https://wg21.link/LWG3831>`__","Two-digit formatting of negative ``year`` is ambiguous","2026-03 (Croydon)","","","`#189805 <https://github.com/llvm/llvm-project/issues/189805>`__",""
+"`LWG3831 <https://wg21.link/LWG3831>`__","Two-digit formatting of negative ``year`` is ambiguous","2026-03 (Croydon)","","","`#189812 <https://github.com/llvm/llvm-project/issues/189812>`__",""
 "`LWG3891 <https://wg21.link/LWG3891>`__","LWG3870 breaks ``std::expected<cv T, E>``","2026-03 (Croydon)","","","`#189813 <https://github.com/llvm/llvm-project/issues/189813>`__",""
 "`LWG4026 <https://wg21.link/LWG4026>`__","Assignment operators of ``std::expected`` should propagate triviality","2026-03 (Croydon)","","","`#189814 <https://github.com/llvm/llvm-project/issues/189814>`__",""
 "`LWG4090 <https://wg21.link/LWG4090>`__","Underspecified use of locale facets for locale-dependent ``std::format``","2026-03 (Croydon)","","","`#189815 <https://github.com/llvm/llvm-project/issues/189815>`__",""
@@ -296,7 +296,7 @@
 "`LWG4468 <https://wg21.link/LWG4468>`__","§[const.wrap.class] ""``operator decltype(auto)``"" is ill-formed","2026-03 (Croydon)","","","`#189838 <https://github.com/llvm/llvm-project/issues/189838>`__",""
 "`LWG4469 <https://wg21.link/LWG4469>`__","Names of parameters of addressable function shall remain unspecified","2026-03 (Croydon)","","","`#189839 <https://github.com/llvm/llvm-project/issues/189839>`__",""
 "`LWG4472 <https://wg21.link/LWG4472>`__","``std::atomic_ref<const T>`` can be constructed from temporaries","2026-03 (Croydon)","","","`#189840 <https://github.com/llvm/llvm-project/issues/189840>`__",""
-"`LWG4474 <https://wg21.link/LWG4474>`__","""`round_to_nearest`"" rounding mode is unclear","2026-03 (Croydon)","","","`#189841 <https://github.com/llvm/llvm-project/issues/189841>`__",""
+"`LWG4474 <https://wg21.link/LWG4474>`__","""``round_to_nearest``"" rounding mode is unclear","2026-03 (Croydon)","","","`#189841 <https://github.com/llvm/llvm-project/issues/189841>`__",""
 "`LWG4476 <https://wg21.link/LWG4476>`__","``run_loop`` should not have a ``set_error`` completion","2026-03 (Croydon)","","","`#189842 <https://github.com/llvm/llvm-project/issues/189842>`__",""
 "`LWG4477 <https://wg21.link/LWG4477>`__","Placement ``operator delete`` should be constexpr","2026-03 (Croydon)","|Complete|","23","`#189843 <https://github.com/llvm/llvm-project/issues/189843>`__",""
 "`LWG4478 <https://wg21.link/LWG4478>`__","``meta::has_identifier`` is not specified for annotations","2026-03 (Croydon)","","","`#189844 <https://github.com/llvm/llvm-project/issues/189844>`__",""
@@ -344,5 +344,5 @@
 "","","","","","",""
 "`LWG4139 <https://wg21.link/LWG4139>`__","§[time.zone.leap] recursive constraint in ``<=>``","Not Adopted Yet","|Complete|","20","`#118369 <https://github.com/llvm/llvm-project/issues/118369>`__",""
 "`LWG3456 <https://wg21.link/LWG3456>`__","Pattern used by ``std::from_chars`` is underspecified (option B)","Not Adopted Yet","|Complete|","20","`#118370 <https://github.com/llvm/llvm-project/issues/118370>`__",""
-"`LWG3882 <https://wg21.link/LWG3882>`__","``tuple`` relational operators have confused friendships","Not Adopted Yet","|Complete|","22","","The comparison operators are constrained harder than the proposed resolution. libstdc++ and MSVC STL do the same."
+"`LWG3882 <https://wg21.link/LWG3882>`__","``tuple`` relational operators have confused friendships","Not Adopted Yet","|Complete|","22","`#171425 <https://github.com/llvm/llvm-project/issues/171425>`__","The comparison operators are constrained harder than the proposed resolution. libstdc++ and MSVC STL do the same."
 "","","","","","",""

libcxx/utils/conformance

@@ -470,7 +470,7 @@ def github_cmd():
 def github_find_unlinked(labels):
     """Find issues not linked to the Conformance project."""
     query = f'is:issue -project:llvm/{LIBCXX_CONFORMANCE_PROJECT} label:libc++ label:{",".join(labels)}'
-    cli = ['gh', 'issue', 'list', '--search', query, '--limit', '1000']
+    cli = ['gh', 'issue', 'list', '--search', query, '--state', 'all', '--limit', '1000']
     subprocess.check_call(cli)