Addressed review comments

Author: H-G-Hristov

libcxx/docs/Status/Cxx2cPapers.csv

@@ -59,7 +59,7 @@
 "`P2248R8 <https://wg21.link/P2248R8>`__","Enabling list-initialization for algorithms","2024-03 (Tokyo)","","",""
 "`P2810R4 <https://wg21.link/P2810R4>`__","``is_debugger_present`` ``is_replaceable``","2024-03 (Tokyo)","","",""
 "`P1068R11 <https://wg21.link/P1068R11>`__","Vector API for random number generation","2024-03 (Tokyo)","","",""
-"`P2944R3 <https://wg21.link/P2944R3>`__","Comparisons for ``reference_wrapper``","2024-03 (Tokyo)","|Partial|","","The changes to ``optional`` and ``tuple`` are not yet implemented"
+"`P2944R3 <https://wg21.link/P2944R3>`__","Comparisons for ``reference_wrapper``","2024-03 (Tokyo)","|Partial|","","The changes to ``optional`` and ``tuple``'s equality overload from P2165R4 are not yet implemented"
 "`P2642R6 <https://wg21.link/P2642R6>`__","Padded ``mdspan`` layouts","2024-03 (Tokyo)","","",""
 "`P3029R1 <https://wg21.link/P3029R1>`__","Better ``mdspan``'s CTAD","2024-03 (Tokyo)","|Complete|","19",""
 "","","","","",""

libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/size_incompatible_comparison.verify.cpp

@@ -6,6 +6,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+// Disabled in C++26 and later because tuple comparison between different sizes is constrained since P2944R3.
+// UNSUPPORTED: std-at-least-cxx26
+
 // <tuple>
 
 // template <class... Types> class tuple;
@@ -21,15 +24,9 @@
 
 #include <tuple>
 
-#include "test_macros.h"
-
-#if TEST_STD_VER >= 26
-// expected-no-diagnostics
-#else
 void f(std::tuple<int> t1, std::tuple<int, long> t2) {
   // We test only the core comparison operators and trust that the others
   // fall back on the same implementations prior to C++20.
   static_cast<void>(t1 == t2); // expected-error@*:* {{}}
   static_cast<void>(t1 < t2); // expected-error@*:* {{}}
 }
-#endif