diff --git a/test/libcxx/utilities/utility/pairs/pairs.pair/pair.tuple_element.fail.cpp b/test/libcxx/utilities/utility/pairs/pairs.pair/pair.tuple_element.fail.cpp
index 2a92240a6..2a25780b0 100644
--- a/test/libcxx/utilities/utility/pairs/pairs.pair/pair.tuple_element.fail.cpp
+++ b/test/libcxx/utilities/utility/pairs/pairs.pair/pair.tuple_element.fail.cpp
@@ -20,6 +20,6 @@ int main()
     {
     typedef std::pair<int, double> P;
     std::tuple_element<2, P>::type foo; // expected-note {{requested here}}
-        // expected-error@utility:* {{static_assert failed "Index out of bounds in std::tuple_element<std::pair<T1, T2>>"}}
+        // expected-error-re@utility:* {{static_assert failed{{( due to requirement '2UL < 2')?}} "Index out of bounds in std::tuple_element<std::pair<T1, T2>>"}}
     }
 }
diff --git a/test/libcxx/utilities/variant/variant.variant/variant.helper/variant_alternative.fail.cpp b/test/libcxx/utilities/variant/variant.variant/variant.helper/variant_alternative.fail.cpp
index f39a445b9..2559048d5 100644
--- a/test/libcxx/utilities/variant/variant.variant/variant.helper/variant_alternative.fail.cpp
+++ b/test/libcxx/utilities/variant/variant.variant/variant.helper/variant_alternative.fail.cpp
@@ -31,6 +31,6 @@ int main()
     {
         typedef std::variant<int, double> T;
         std::variant_alternative<2, T>::type foo; // expected-note {{requested here}}
-        // expected-error@variant:* {{static_assert failed "Index out of bounds in std::variant_alternative<>"}}
+        // expected-error-re@variant:* {{static_assert failed{{( due to requirement '2UL < sizeof...\(_Types\)')?}} "Index out of bounds in std::variant_alternative<>"}}
     }
 }
diff --git a/test/std/algorithms/alg.modifying.operations/alg.random.sample/sample.fail.cpp b/test/std/algorithms/alg.modifying.operations/alg.random.sample/sample.fail.cpp
index d769ad850..3d37d052c 100644
--- a/test/std/algorithms/alg.modifying.operations/alg.random.sample/sample.fail.cpp
+++ b/test/std/algorithms/alg.modifying.operations/alg.random.sample/sample.fail.cpp
@@ -34,7 +34,7 @@ template <class PopulationIterator, class SampleIterator> void test() {
 }
 
 int main() {
-  // expected-error@algorithm:* {{static_assert failed "SampleIterator must meet the requirements of RandomAccessIterator"}}
+  // expected-error-re@algorithm:* {{static_assert failed{{( due to requirement '.*')?}} "SampleIterator must meet the requirements of RandomAccessIterator"}}
   // expected-error@algorithm:* 2 {{does not provide a subscript operator}}
   // expected-error@algorithm:* {{invalid operands}}
   test<input_iterator<int *>, output_iterator<int *> >();
diff --git a/test/std/containers/sequences/array/array.tuple/get.fail.cpp b/test/std/containers/sequences/array/array.tuple/get.fail.cpp
index 45e1d2b46..d575b088a 100644
--- a/test/std/containers/sequences/array/array.tuple/get.fail.cpp
+++ b/test/std/containers/sequences/array/array.tuple/get.fail.cpp
@@ -31,6 +31,6 @@ int main()
         typedef std::array<T, 3> C;
         C c = {1, 2, 3.5};
         std::get<3>(c) = 5.5; // expected-note {{requested here}}
-        // expected-error@array:* {{static_assert failed "Index out of bounds in std::get<> (std::array)"}}
+        // expected-error-re@array:* {{static_assert failed{{( due to requirement '3UL < 3UL')?}} "Index out of bounds in std::get<> (std::array)"}}
     }
 }
diff --git a/test/std/containers/sequences/array/array.tuple/tuple_element.fail.cpp b/test/std/containers/sequences/array/array.tuple/tuple_element.fail.cpp
index c9fe695f9..dd29d1263 100644
--- a/test/std/containers/sequences/array/array.tuple/tuple_element.fail.cpp
+++ b/test/std/containers/sequences/array/array.tuple/tuple_element.fail.cpp
@@ -30,6 +30,6 @@ int main()
         typedef double T;
         typedef std::array<T, 3> C;
         std::tuple_element<3, C> foo; // expected-note {{requested here}}
-        // expected-error@array:* {{static_assert failed "Index out of bounds in std::tuple_element<> (std::array)"}}
+        // expected-error-re@array:* {{static_assert failed{{( due to requirement '3UL < 3UL')?}} "Index out of bounds in std::tuple_element<> (std::array)"}}
     }
 }
diff --git a/test/std/containers/views/span.cons/default.fail.cpp b/test/std/containers/views/span.cons/default.fail.cpp
index e30425cfe..ef63a6e31 100644
--- a/test/std/containers/views/span.cons/default.fail.cpp
+++ b/test/std/containers/views/span.cons/default.fail.cpp
@@ -25,7 +25,7 @@
 
 int main ()
 {
-    std::span<int, 2> s; // expected-error@span:* {{static_assert failed "Can't default construct a statically sized span with size > 0"}}
+    std::span<int, 2> s; // expected-error-re@span:* {{static_assert failed{{( due to requirement '2L == 0')?}} "Can't default construct a statically sized span with size > 0"}}
 
 //  TODO: This is what I want:
 // eXpected-error {{no matching constructor for initialization of 'std::span<int, 2>'}}