diff --git a/libcxx/test/std/ranges/range.adaptors/range.all/range.owning.view/begin_end.pass.cpp b/libcxx/test/std/ranges/range.adaptors/range.all/range.owning.view/begin_end.pass.cpp
--- a/libcxx/test/std/ranges/range.adaptors/range.all/range.owning.view/begin_end.pass.cpp
+++ b/libcxx/test/std/ranges/range.adaptors/range.all/range.owning.view/begin_end.pass.cpp
@@ -117,10 +117,10 @@
     // Test a non-view.
     std::array<int, 2> a = {1, 2};
     auto ov = std::ranges::owning_view(std::move(a));
-    assert(ov.begin() != a.begin()); // because it points into the copy
-    assert(std::as_const(ov).begin() != a.begin());
-    assert(ov.end() != a.end());
-    assert(std::as_const(ov).end() != a.end());
+    assert(std::to_address(ov.begin()) != std::to_address(a.begin())); // because it points into the copy
+    assert(std::to_address(std::as_const(ov).begin()) != std::to_address(a.begin()));
+    assert(std::to_address(ov.end()) != std::to_address(a.end()));
+    assert(std::to_address(std::as_const(ov).end()) != std::to_address(a.end()));
   }
   return true;
 }
diff --git a/libcxx/test/std/ranges/range.adaptors/range.transform/iterator/plus_minus.pass.cpp b/libcxx/test/std/ranges/range.adaptors/range.transform/iterator/plus_minus.pass.cpp
--- a/libcxx/test/std/ranges/range.adaptors/range.transform/iterator/plus_minus.pass.cpp
+++ b/libcxx/test/std/ranges/range.adaptors/range.transform/iterator/plus_minus.pass.cpp
@@ -21,12 +21,12 @@
   std::ranges::transform_view<MoveOnlyView, PlusOneMutable> transformView1;
   auto iter1 = std::move(transformView1).begin();
   std::ranges::transform_view<MoveOnlyView, PlusOneMutable> transformView2;
-  auto iter2 = std::move(transformView2).begin();
+  [[maybe_unused]] auto iter2 = std::move(transformView2).begin();
   iter1 += 4;
   assert((iter1 + 1).base() == globalBuff + 5);
   assert((1 + iter1).base() == globalBuff + 5);
   assert((iter1 - 1).base() == globalBuff + 3);
-  assert(iter1 - iter2 == 4);
+  LIBCPP_ASSERT(iter1 - iter2 == 4);
   assert((iter1 + 2) - 2 == iter1);
   assert((iter1 - 2) + 2 == iter1);
 
diff --git a/libcxx/test/std/strings/basic.string/string.iterators/iterators.pass.cpp b/libcxx/test/std/strings/basic.string/string.iterators/iterators.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.iterators/iterators.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.iterators/iterators.pass.cpp
@@ -54,7 +54,6 @@
         C a;
         typename C::iterator i1 = a.begin();
         typename C::iterator i2;
-        assert ( i1 != i2 );
         i2 = i1;
         assert ( i1 == i2 );
     }
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp
--- a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp
@@ -39,10 +39,10 @@
     std::basic_format_parse_context context(view);
 
     context.advance_to(context.begin() + 1);
-    assert(context.begin() == view.begin() + 1);
+    assert(std::to_address(context.begin()) == std::to_address(view.begin()) + 1);
 
     context.advance_to(context.begin() + 1);
-    assert(context.begin() == view.begin() + 2);
+    assert(std::to_address(context.begin()) == std::to_address(view.begin()) + 2);
 
     context.advance_to(context.begin() + 1);
     assert(context.begin() == context.end());
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/ranges_uninitialized_copy.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/ranges_uninitialized_copy.pass.cpp
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/ranges_uninitialized_copy.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/ranges_uninitialized_copy.pass.cpp
@@ -218,7 +218,7 @@
     constexpr int N = 5;
     int in[N] = {1, 2, 3, 4, 5};
     int out[N] = {6, 7, 8, 9, 10};
-    assert(!std::equal(in, in + N, in, out + N));
+    assert(!std::equal(in, in + N, out, out + N));
 
     std::ranges::uninitialized_copy(in, in + 1, out, out + N);
     assert(out[0] == 1);
@@ -314,8 +314,8 @@
   // Conversions, (iter, sentinel) overload.
   {
     constexpr int N = 3;
-    double in[N] = {1.0, 2.0, 3.0};
-    Buffer<int, N> out;
+    int in[N] = {1, 2, 3};
+    Buffer<double, N> out;
 
     std::ranges::uninitialized_copy(in, in + N, out.begin(), out.end());
     assert(std::equal(in, in + N, out.begin(), out.end()));
@@ -324,8 +324,8 @@
   // Conversions, (range) overload.
   {
     constexpr int N = 3;
-    double in[N] = {1.0, 2.0, 3.0};
-    Buffer<int, N> out;
+    int in[N] = {1, 2, 3};
+    Buffer<double, N> out;
 
     std::ranges::uninitialized_copy(in, out);
     assert(std::equal(in, in + N, out.begin(), out.end()));
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/ranges_uninitialized_copy_n.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/ranges_uninitialized_copy_n.pass.cpp
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/ranges_uninitialized_copy_n.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/ranges_uninitialized_copy_n.pass.cpp
@@ -122,8 +122,8 @@
   // Conversions.
   {
     constexpr int N = 3;
-    double in[N] = {1.0, 2.0, 3.0};
-    Buffer<int, N> out;
+    int in[N] = {1, 2, 3};
+    Buffer<double, N> out;
 
     std::ranges::uninitialized_copy_n(in, N, out.begin(), out.end());
     assert(std::equal(in, in + N, out.begin(), out.end()));
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.move/ranges_uninitialized_move.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.move/ranges_uninitialized_move.pass.cpp
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.move/ranges_uninitialized_move.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.move/ranges_uninitialized_move.pass.cpp
@@ -250,7 +250,7 @@
     constexpr int N = 5;
     int in[N] = {1, 2, 3, 4, 5};
     int out[N] = {6, 7, 8, 9, 10};
-    assert(!std::equal(in, in + N, in, out + N));
+    assert(!std::equal(in, in + N, out, out + N));
 
     std::ranges::uninitialized_move(in, in + 1, out, out + N);
     assert(out[0] == 1);
@@ -350,8 +350,8 @@
   // Conversions, (iter, sentinel) overload.
   {
     constexpr int N = 3;
-    double in[N] = {1.0, 2.0, 3.0};
-    Buffer<int, N> out;
+    int in[N] = {1, 2, 3};
+    Buffer<double, N> out;
 
     std::ranges::uninitialized_move(in, in + N, out.begin(), out.end());
     assert(std::equal(in, in + N, out.begin(), out.end()));
@@ -360,8 +360,8 @@
   // Conversions, (range) overload.
   {
     constexpr int N = 3;
-    double in[N] = {1.0, 2.0, 3.0};
-    Buffer<int, N> out;
+    int in[N] = {1, 2, 3};
+    Buffer<double, N> out;
 
     std::ranges::uninitialized_move(in, out);
     assert(std::equal(in, in + N, out.begin(), out.end()));
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.move/ranges_uninitialized_move_n.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.move/ranges_uninitialized_move_n.pass.cpp
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.move/ranges_uninitialized_move_n.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.move/ranges_uninitialized_move_n.pass.cpp
@@ -156,8 +156,8 @@
   // Conversions.
   {
     constexpr int N = 3;
-    double in[N] = {1.0, 2.0, 3.0};
-    Buffer<int, N> out;
+    int in[N] = {1, 2, 3};
+    Buffer<double, N> out;
 
     std::ranges::uninitialized_move_n(in, N, out.begin(), out.end());
     assert(std::equal(in, in + N, out.begin(), out.end()));