diff --git a/tests/libcxx/expected_results.txt b/tests/libcxx/expected_results.txt
index d5f9274662e..73ddaf82a93 100644
--- a/tests/libcxx/expected_results.txt
+++ b/tests/libcxx/expected_results.txt
@@ -30,6 +30,9 @@ std/time/time.syn/formatter.year_month_weekday.pass.cpp:1 FAIL
 std/time/time.syn/formatter.zoned_time.pass.cpp:0 FAIL
 std/time/time.syn/formatter.zoned_time.pass.cpp:1 FAIL
 
+# LLVM-74838: [libc++] std::regex match_prev_avail implementation is regressed
+std/re/re.const/re.matchflag/match_prev_avail.pass.cpp FAIL
+
 # LLVM-90196: [libc++][format] Formatting range with m range-type is incorrect
 std/utilities/format/format.range/format.range.formatter/format.functions.format.pass.cpp FAIL
 std/utilities/format/format.range/format.range.formatter/format.functions.vformat.pass.cpp FAIL
@@ -797,6 +800,25 @@ std/input.output/string.streams/stringbuf/stringbuf.members/view.pass.cpp FAIL
 std/input.output/syncstream/syncbuf/syncstream.syncbuf.cons/dtor.pass.cpp FAIL
 std/input.output/syncstream/syncbuf/syncstream.syncbuf.members/emit.pass.cpp FAIL
 
+# GH-5393: <regex>: What names can and should regex_traits::lookup_collatename() recognize?
+std/re/re.alg/re.alg.match/awk.locale.pass.cpp FAIL
+std/re/re.alg/re.alg.match/awk.pass.cpp FAIL
+std/re/re.alg/re.alg.match/basic.locale.pass.cpp FAIL
+std/re/re.alg/re.alg.match/basic.pass.cpp FAIL
+std/re/re.alg/re.alg.match/ecma.locale.pass.cpp FAIL
+std/re/re.alg/re.alg.match/ecma.pass.cpp FAIL
+std/re/re.alg/re.alg.match/extended.locale.pass.cpp FAIL
+std/re/re.alg/re.alg.match/extended.pass.cpp FAIL
+std/re/re.alg/re.alg.search/awk.locale.pass.cpp FAIL
+std/re/re.alg/re.alg.search/awk.pass.cpp FAIL
+std/re/re.alg/re.alg.search/basic.locale.pass.cpp FAIL
+std/re/re.alg/re.alg.search/basic.pass.cpp FAIL
+std/re/re.alg/re.alg.search/ecma.locale.pass.cpp FAIL
+std/re/re.alg/re.alg.search/ecma.pass.cpp FAIL
+std/re/re.alg/re.alg.search/extended.locale.pass.cpp FAIL
+std/re/re.alg/re.alg.search/extended.pass.cpp FAIL
+std/re/re.traits/lookup_collatename.pass.cpp FAIL
+
 
 # *** VCRUNTIME BUGS ***
 
@@ -958,17 +980,6 @@ std/utilities/format/format.functions/fill.unicode.pass.cpp:1 FAIL
 
 
 # *** LIKELY STL BUGS ***
-# Not analyzed, likely STL bugs. Various assertions.
-std/re/re.alg/re.alg.match/awk.pass.cpp FAIL
-std/re/re.alg/re.alg.match/basic.pass.cpp FAIL
-std/re/re.alg/re.alg.match/ecma.pass.cpp FAIL
-std/re/re.alg/re.alg.match/extended.pass.cpp FAIL
-std/re/re.alg/re.alg.search/awk.pass.cpp FAIL
-std/re/re.alg/re.alg.search/basic.pass.cpp FAIL
-std/re/re.alg/re.alg.search/ecma.pass.cpp FAIL
-std/re/re.alg/re.alg.search/extended.pass.cpp FAIL
-std/re/re.traits/lookup_collatename.pass.cpp FAIL
-
 # Not analyzed, likely STL bugs. Various assertions.
 std/numerics/complex.number/complex.ops/complex_divide_complex.pass.cpp FAIL
 std/numerics/complex.number/complex.ops/complex_times_complex.pass.cpp FAIL
@@ -1096,19 +1107,6 @@ std/utilities/tuple/tuple.tuple/tuple.cnstr/deduct.pass.cpp:1 FAIL
 # Not analyzed. Frequent timeouts
 std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp SKIPPED
 
-# Not analyzed. Failing after LLVM-D75622.
-std/re/re.const/re.matchflag/match_prev_avail.pass.cpp FAIL
-
-# Not analyzed. Failing for "[a[.ch.]z]".
-std/re/re.alg/re.alg.match/awk.locale.pass.cpp FAIL
-std/re/re.alg/re.alg.match/basic.locale.pass.cpp FAIL
-std/re/re.alg/re.alg.match/ecma.locale.pass.cpp FAIL
-std/re/re.alg/re.alg.match/extended.locale.pass.cpp FAIL
-std/re/re.alg/re.alg.search/awk.locale.pass.cpp FAIL
-std/re/re.alg/re.alg.search/basic.locale.pass.cpp FAIL
-std/re/re.alg/re.alg.search/ecma.locale.pass.cpp FAIL
-std/re/re.alg/re.alg.search/extended.locale.pass.cpp FAIL
-
 # Not analyzed. Seems to force a sign conversion error?
 std/iterators/iterator.primitives/iterator.operations/advance.pass.cpp SKIPPED