Enable span tests now that libc++ has been updated (#839)

Co-authored-by: Casey Carter <[email protected]>

tests/libcxx/expected_results.txt

@@ -691,9 +691,6 @@ std/thread/thread.threads/thread.thread.class/thread.thread.member/join.pass.cpp
 std/depr/depr.c.headers/math_h.pass.cpp FAIL
 std/numerics/c.math/cmath.pass.cpp FAIL
 
-# Test needs to be updated for P1976R2 "Explicit Constructors For Fixed-Extent span From Dynamic-Extent Ranges".
-std/containers/views/span.cons/assign.pass.cpp FAIL
-
 # Test bug after LWG-2899 "is_(nothrow_)move_constructible and tuple, optional and unique_ptr" was accepted.
 std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.asgn/move_convert.pass.cpp FAIL
 std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.asgn/move_convert.runtime.pass.cpp FAIL
@@ -703,21 +700,6 @@ std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.asgn/move.pass.cpp
 # Test bug after LWG-3257 "Missing feature testing macro update from P0858" was accepted.
 std/language.support/support.limits/support.limits.general/string.version.pass.cpp FAIL
 
-# Test needs to be updated for LWG-3320 removing span::const_iterator.
-std/containers/views/types.pass.cpp FAIL
-std/containers/views/span.iterators/begin.pass.cpp FAIL
-std/containers/views/span.iterators/rbegin.pass.cpp FAIL
-std/containers/views/span.iterators/end.pass.cpp FAIL
-std/containers/views/span.iterators/rend.pass.cpp FAIL
-
-# Test needs to be removed after P2116R0 removed the tuple interface of span
-std/containers/views/span.tuple/get.fail.cpp PASS
-std/containers/views/span.tuple/get.pass.cpp FAIL
-std/containers/views/span.tuple/tuple_element.fail.cpp PASS
-std/containers/views/span.tuple/tuple_element.pass.cpp FAIL
-std/containers/views/span.tuple/tuple_size.fail.cpp PASS
-std/containers/views/span.tuple/tuple_size.pass.cpp FAIL
-
 # Not yet analyzed, likely bogus tests. Appears to be timing assumptions.
 std/thread/futures/futures.async/async.pass.cpp SKIPPED
 std/thread/futures/futures.shared_future/get.pass.cpp SKIPPED
@@ -1029,9 +1011,6 @@ std/containers/unord/unord.multimap/unord.multimap.cnstr/deduct.pass.cpp:0 FAIL
 std/containers/unord/unord.multimap/unord.multimap.cnstr/deduct_const.pass.cpp FAIL
 std/utilities/tuple/tuple.tuple/tuple.cnstr/deduct.pass.cpp:0 FAIL
 
-# Not yet analyzed. Assertion failed: f16_8.out(mbs, c16, c_c16p, c_c16p, c8, c8+4, c8p) == F32_8::ok
-std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/utf_sanity_check.pass.cpp FAIL
-
 # Not yet analyzed. Frequent timeouts
 std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp SKIPPED
 

tests/libcxx/skipped_tests.txt

@@ -691,9 +691,6 @@ thread\thread.threads\thread.thread.class\thread.thread.member\join.pass.cpp
 depr\depr.c.headers\math_h.pass.cpp
 numerics\c.math\cmath.pass.cpp
 
-# Test needs to be updated for P1976R2 "Explicit Constructors For Fixed-Extent span From Dynamic-Extent Ranges".
-containers\views\span.cons\assign.pass.cpp
-
 # Test bug after LWG-2899 "is_(nothrow_)move_constructible and tuple, optional and unique_ptr" was accepted.
 utilities\smartptr\unique.ptr\unique.ptr.class\unique.ptr.asgn\move_convert.pass.cpp
 utilities\smartptr\unique.ptr\unique.ptr.class\unique.ptr.asgn\move_convert.runtime.pass.cpp
@@ -703,21 +700,6 @@ utilities\smartptr\unique.ptr\unique.ptr.class\unique.ptr.asgn\move.pass.cpp
 # Test bug after LWG-3257 "Missing feature testing macro update from P0858" was accepted.
 language.support\support.limits\support.limits.general\string.version.pass.cpp
 
-# Test needs to be updated for LWG-3320 removing span::const_iterator.
-containers\views\types.pass.cpp
-containers\views\span.iterators\begin.pass.cpp
-containers\views\span.iterators\rbegin.pass.cpp
-containers\views\span.iterators\end.pass.cpp
-containers\views\span.iterators\rend.pass.cpp
-
-# Test needs to be removed after P2116R0 removed the tuple interface of span
-containers\views\span.tuple\get.fail.cpp
-containers\views\span.tuple\get.pass.cpp
-containers\views\span.tuple\tuple_element.fail.cpp
-containers\views\span.tuple\tuple_element.pass.cpp
-containers\views\span.tuple\tuple_size.fail.cpp
-containers\views\span.tuple\tuple_size.pass.cpp
-
 # Not yet analyzed, likely bogus tests. Appears to be timing assumptions.
 thread\futures\futures.async\async.pass.cpp
 thread\futures\futures.shared_future\get.pass.cpp
@@ -1029,9 +1011,6 @@ containers\unord\unord.multimap\unord.multimap.cnstr\deduct.pass.cpp
 containers\unord\unord.multimap\unord.multimap.cnstr\deduct_const.pass.cpp
 utilities\tuple\tuple.tuple\tuple.cnstr\deduct.pass.cpp
 
-# Not yet analyzed. Assertion failed: f16_8.out(mbs, c16, c_c16p, c_c16p, c8, c8+4, c8p) == F32_8::ok
-localization\locale.categories\category.ctype\locale.codecvt\locale.codecvt.members\utf_sanity_check.pass.cpp
-
 # Not yet analyzed. Frequent timeouts
 containers\sequences\deque\deque.modifiers\insert_iter_iter.pass.cpp