[libcxx-commits] [libcxx] [libc++] Remove mentions of Clang 18 in the test suite (PR #148862)

via libcxx-commits libcxx-commits at lists.llvm.org
Tue Jul 15 08:04:35 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: Louis Dionne (ldionne)

<details>
<summary>Changes</summary>

Clang 19 has been the oldest supported version of Clang since the LLVM 20 release, but we had not cleaned up the test suite yet.

---

Patch is 20.72 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/148862.diff


19 Files Affected:

- (modified) libcxx/test/libcxx/fuzzing/random.pass.cpp (+1-1) 
- (modified) libcxx/test/libcxx/memory/shared_ptr_array.pass.cpp (-2) 
- (modified) libcxx/test/libcxx/utilities/expected/expected.expected/transform_error.mandates.verify.cpp (-12) 
- (modified) libcxx/test/libcxx/utilities/expected/expected.void/transform_error.mandates.verify.cpp (-12) 
- (modified) libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp (-4) 
- (modified) libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp (-4) 
- (modified) libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp (-4) 
- (modified) libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp (-4) 
- (modified) libcxx/test/std/depr/depr.c.headers/math_h.pass.cpp (+1-1) 
- (modified) libcxx/test/std/experimental/simd/simd.class/simd_copy.pass.cpp (-4) 
- (modified) libcxx/test/std/experimental/simd/simd.class/simd_unary.pass.cpp (-4) 
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp (-1) 
- (modified) libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp (-1) 
- (modified) libcxx/test/std/numerics/c.math/cmath.pass.cpp (+1-1) 
- (modified) libcxx/test/std/numerics/c.math/signbit.pass.cpp (+1-1) 
- (modified) libcxx/test/std/utilities/meta/meta.rel/is_virtual_base_of.pass.cpp (+1-1) 
- (modified) libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.pass.cpp (+1-1) 
- (modified) libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.verify.cpp (+1-1) 
- (modified) libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/reference_converts_from_temporary.pass.cpp (+1-1) 


``````````diff
diff --git a/libcxx/test/libcxx/fuzzing/random.pass.cpp b/libcxx/test/libcxx/fuzzing/random.pass.cpp
index cb074bd60fdc8..e13f48a44dc77 100644
--- a/libcxx/test/libcxx/fuzzing/random.pass.cpp
+++ b/libcxx/test/libcxx/fuzzing/random.pass.cpp
@@ -8,7 +8,7 @@
 
 // This test fails because Clang no longer enables -fdelayed-template-parsing
 // by default on Windows with C++20 (#69431).
-// XFAIL: msvc && (clang-18 || clang-19 || clang-20 || clang-21)
+// XFAIL: msvc && (clang-19 || clang-20 || clang-21)
 
 // UNSUPPORTED: c++03, c++11
 
diff --git a/libcxx/test/libcxx/memory/shared_ptr_array.pass.cpp b/libcxx/test/libcxx/memory/shared_ptr_array.pass.cpp
index 9ff148251a05f..9bc695cd7fb76 100644
--- a/libcxx/test/libcxx/memory/shared_ptr_array.pass.cpp
+++ b/libcxx/test/libcxx/memory/shared_ptr_array.pass.cpp
@@ -10,8 +10,6 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 
 // These compiler versions and platforms don't enable sized deallocation by default.
-// ADDITIONAL_COMPILE_FLAGS(clang-17): -fsized-deallocation
-// ADDITIONAL_COMPILE_FLAGS(clang-18): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(apple-clang-16): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(target=x86_64-w64-windows-gnu): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(target=i686-w64-windows-gnu): -fsized-deallocation
diff --git a/libcxx/test/libcxx/utilities/expected/expected.expected/transform_error.mandates.verify.cpp b/libcxx/test/libcxx/utilities/expected/expected.expected/transform_error.mandates.verify.cpp
index 61374094b7adf..4e20a1b6edcd1 100644
--- a/libcxx/test/libcxx/utilities/expected/expected.expected/transform_error.mandates.verify.cpp
+++ b/libcxx/test/libcxx/utilities/expected/expected.expected/transform_error.mandates.verify.cpp
@@ -6,10 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// Clang-18 fixed some spurious clang diagnostics. Once clang-18 is the
-// minimum required version these obsolete tests can be removed.
-// TODO(LLVM-20) remove spurious clang diagnostic tests.
-
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
 // With clang-cl, some warnings have a 'which is a Microsoft extension' suffix
@@ -59,12 +55,10 @@ void test() {
   {
     std::expected<int, int> e;
     e.transform_error(return_unexpected<int&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     // expected-error-re@*:* {{static assertion failed {{.*}}[expected.object.general] A program that instantiates the definition of template expected<T, E> for {{.*}} is ill-formed.}}
     // expected-error-re@*:* 0-1 {{union member {{.*}} has reference type {{.*}}}}
 
     e.transform_error(return_no_object<int&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     // expected-error-re@*:* {{static assertion failed {{.*}}[expected.object.general] A program that instantiates the definition of template expected<T, E> for {{.*}} is ill-formed.}}
     // expected-warning-re@*:* 0-1 {{union member {{.*}} has reference type {{.*}}, which is a Microsoft extension}}
   }
@@ -73,27 +67,21 @@ void test() {
   {
     const std::expected<int, int> e;
     e.transform_error(return_unexpected<const int &>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-2 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     e.transform_error(return_no_object<const int &>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-2 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
   }
 
   // Test && overload
   {
     std::expected<int, int> e;
     std::move(e).transform_error(return_unexpected<int&&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-2 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     std::move(e).transform_error(return_no_object<int&&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-2 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
   }
 
   // Test const&& overload
   {
     const std::expected<int, int> e;
     std::move(e).transform_error(return_unexpected<const int&&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-2 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     std::move(e).transform_error(return_no_object<const int&&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-2 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
   }
 }
 // clang-format on
diff --git a/libcxx/test/libcxx/utilities/expected/expected.void/transform_error.mandates.verify.cpp b/libcxx/test/libcxx/utilities/expected/expected.void/transform_error.mandates.verify.cpp
index 16233cd90d219..4e1dba1a677b6 100644
--- a/libcxx/test/libcxx/utilities/expected/expected.void/transform_error.mandates.verify.cpp
+++ b/libcxx/test/libcxx/utilities/expected/expected.void/transform_error.mandates.verify.cpp
@@ -6,10 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// Clang-18 fixed some spurious clang diagnostics. Once clang-18 is the
-// minumum required version these obsolete tests can be removed.
-// TODO(LLVM-20) remove spurious clang diagnostic tests.
-
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
 // With clang-cl, some warnings have a 'which is a Microsoft extension' suffix
@@ -60,13 +56,11 @@ void test() {
   {
     std::expected<void, int> e;
     e.transform_error(return_unexpected<int&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     // expected-error-re@*:* {{static assertion failed {{.*}}A program that instantiates expected<T, E> with a E that is not a valid argument for unexpected<E> is ill-formed}}
     // expected-error-re@*:* 0-1 {{call to deleted constructor of {{.*}}}}
     // expected-error-re@*:* 0-1 {{union member {{.*}} has reference type {{.*}}}}
 
     e.transform_error(return_no_object<int&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     // expected-error-re@*:* {{static assertion failed {{.*}}A program that instantiates expected<T, E> with a E that is not a valid argument for unexpected<E> is ill-formed}}
     // expected-warning-re@*:* 0-1 {{union member {{.*}} has reference type {{.*}}, which is a Microsoft extension}}
   }
@@ -75,9 +69,7 @@ void test() {
   {
     const std::expected<void, int> e;
     e.transform_error(return_unexpected<const int &>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     e.transform_error(return_no_object<const int &>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     // expected-error-re@*:* 0-1 {{call to deleted constructor of {{.*}}}}
   }
 
@@ -85,18 +77,14 @@ void test() {
   {
     std::expected<void, int> e;
     std::move(e).transform_error(return_unexpected<int&&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     std::move(e).transform_error(return_no_object<int&&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
   }
 
   // Test const&& overload
   {
     const std::expected<void, int> e;
     std::move(e).transform_error(return_unexpected<const int&&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
     std::move(e).transform_error(return_no_object<const int&&>); // expected-error-re@*:* {{static assertion failed {{.*}}The result of {{.*}} must be a valid template argument for unexpected}}
-    // expected-error-re@*:* 0-1 {{{{(excess elements in struct initializer|no matching constructor for initialization of)}}{{.*}}}}
   }
 }
 // clang-format on
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp
index b162c2da4f337..1b426959475a5 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp
@@ -8,10 +8,6 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // XFAIL: !has-64-bit-atomics
 
-// Older versions of clang have a bug with atomic builtins affecting double and long double.
-// Fixed by 5fdd0948.
-// XFAIL: target=powerpc-ibm-{{.*}} && clang-18
-
 // https://github.com/llvm/llvm-project/issues/72893
 // XFAIL: target={{x86_64-.*}} && tsan
 
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp
index 8784037aa5e82..cac7352646fa4 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp
@@ -8,10 +8,6 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // XFAIL: !has-64-bit-atomics
 
-// Older versions of clang have a bug with atomic builtins affecting double and long double.
-// Fixed by 5fdd0948.
-// XFAIL: target=powerpc-ibm-{{.*}} && clang-18
-
 // https://github.com/llvm/llvm-project/issues/72893
 // XFAIL: target={{x86_64-.*}} && tsan
 
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp
index e0e079436075f..d38a2d2ed197a 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp
@@ -8,10 +8,6 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // XFAIL: !has-64-bit-atomics
 
-// Older versions of clang have a bug with atomic builtins affecting double and long double.
-// Fixed by 5fdd0948.
-// XFAIL: target=powerpc-ibm-{{.*}} && clang-18
-
 // floating-point-type operator-=(floating-point-type) volatile noexcept;
 // floating-point-type operator-=(floating-point-type) noexcept;
 
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp
index 7e2c10106e9ab..c53b0320036bf 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp
@@ -8,10 +8,6 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // XFAIL: !has-64-bit-atomics
 
-// Older versions of clang have a bug with atomic builtins affecting double and long double.
-// Fixed by 5fdd0948.
-// XFAIL: target=powerpc-ibm-{{.*}} && clang-18
-
 // floating-point-type operator+=(floating-point-type) volatile noexcept;
 // floating-point-type operator+=(floating-point-type) noexcept;
 
diff --git a/libcxx/test/std/depr/depr.c.headers/math_h.pass.cpp b/libcxx/test/std/depr/depr.c.headers/math_h.pass.cpp
index 1ba0063c1dada..205f5e1af3012 100644
--- a/libcxx/test/std/depr/depr.c.headers/math_h.pass.cpp
+++ b/libcxx/test/std/depr/depr.c.headers/math_h.pass.cpp
@@ -8,7 +8,7 @@
 
 // This test fails because Clang no longer enables -fdelayed-template-parsing
 // by default on Windows with C++20 (#69431).
-// XFAIL: msvc && (clang-18 || clang-19 || clang-20 || clang-21)
+// XFAIL: msvc && (clang-19 || clang-20 || clang-21)
 
 // <math.h>
 
diff --git a/libcxx/test/std/experimental/simd/simd.class/simd_copy.pass.cpp b/libcxx/test/std/experimental/simd/simd.class/simd_copy.pass.cpp
index 6929831eca361..172c97f30c24a 100644
--- a/libcxx/test/std/experimental/simd/simd.class/simd_copy.pass.cpp
+++ b/libcxx/test/std/experimental/simd/simd.class/simd_copy.pass.cpp
@@ -8,10 +8,6 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
-// Older versions of clang may encounter a backend error (see 0295c2ad):
-//   Pass-by-value arguments with alignment greater than register width are not supported.
-// XFAIL: target=powerpc{{.*}}-ibm-{{.*}} && clang-18
-
 // <experimental/simd>
 //
 // [simd.class]
diff --git a/libcxx/test/std/experimental/simd/simd.class/simd_unary.pass.cpp b/libcxx/test/std/experimental/simd/simd.class/simd_unary.pass.cpp
index a496938219b05..056d6f65fc368 100644
--- a/libcxx/test/std/experimental/simd/simd.class/simd_unary.pass.cpp
+++ b/libcxx/test/std/experimental/simd/simd.class/simd_unary.pass.cpp
@@ -8,10 +8,6 @@
 
 // UNSUPPORTED: c++03, c++11, c++14
 
-// Older versions of clang may encounter a backend error (see 0295c2ad):
-//   Pass-by-value arguments with alignment greater than register width are not supported.
-// XFAIL: target=powerpc{{.*}}-ibm-{{.*}} && clang-18
-
 // FIXME: The following issue occurs on Windows to Armv7 Ubuntu Linux:
 //   Assertion failed: N->getValueType(0) == MVT::v1i1 && "Expected v1i1 type"
 // XFAIL: target=armv7-unknown-linux-gnueabihf
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp
index 4cd8fadab2793..b3232cd224354 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp
@@ -11,7 +11,6 @@
 // UNSUPPORTED: c++03, c++11
 
 // These compiler versions and platforms don't enable sized deallocation by default.
-// ADDITIONAL_COMPILE_FLAGS(clang-18): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(apple-clang-16): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(apple-clang-17): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(target=x86_64-w64-windows-gnu): -fsized-deallocation
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp
index 7b96b01caeda8..564369991fc15 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp
@@ -11,7 +11,6 @@
 // UNSUPPORTED: c++03, c++11
 
 // These compiler versions and platforms don't enable sized deallocation by default.
-// ADDITIONAL_COMPILE_FLAGS(clang-18): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(apple-clang-16): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(apple-clang-17): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(target=x86_64-w64-windows-gnu): -fsized-deallocation
diff --git a/libcxx/test/std/numerics/c.math/cmath.pass.cpp b/libcxx/test/std/numerics/c.math/cmath.pass.cpp
index 48c2918802fc3..6a203f1709e05 100644
--- a/libcxx/test/std/numerics/c.math/cmath.pass.cpp
+++ b/libcxx/test/std/numerics/c.math/cmath.pass.cpp
@@ -8,7 +8,7 @@
 
 // This test fails because Clang no longer enables -fdelayed-template-parsing
 // by default on Windows with C++20 (#69431).
-// XFAIL: msvc && (clang-18 || clang-19 || clang-20 || clang-21)
+// XFAIL: msvc && (clang-19 || clang-20 || clang-21)
 
 // <cmath>
 
diff --git a/libcxx/test/std/numerics/c.math/signbit.pass.cpp b/libcxx/test/std/numerics/c.math/signbit.pass.cpp
index 2ab4c11b911b6..44ce32581cca1 100644
--- a/libcxx/test/std/numerics/c.math/signbit.pass.cpp
+++ b/libcxx/test/std/numerics/c.math/signbit.pass.cpp
@@ -12,7 +12,7 @@
 // UNSUPPORTED: windows
 
 // These compilers don't support constexpr `__builtin_signbit` yet.
-// UNSUPPORTED: clang-18, clang-19, apple-clang-16, apple-clang-17
+// UNSUPPORTED: clang-19, apple-clang-16, apple-clang-17
 
 // GCC warns about signbit comparing `bool_v < 0`, which we're testing
 // ADDITIONAL_COMPILE_FLAGS(gcc): -Wno-bool-compare
diff --git a/libcxx/test/std/utilities/meta/meta.rel/is_virtual_base_of.pass.cpp b/libcxx/test/std/utilities/meta/meta.rel/is_virtual_base_of.pass.cpp
index 47c95c64a0855..2e0b1e9025a61 100644
--- a/libcxx/test/std/utilities/meta/meta.rel/is_virtual_base_of.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.rel/is_virtual_base_of.pass.cpp
@@ -9,7 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20, c++23
 
 // These compilers don't support __builtin_is_virtual_base_of yet.
-// UNSUPPORTED: clang-18, clang-19, gcc-14, apple-clang-16, apple-clang-17
+// UNSUPPORTED: clang-19, gcc-14, apple-clang-16, apple-clang-17
 
 // <type_traits>
 
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.pass.cpp
index 192943dd820cc..b7fd0937eb216 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.pass.cpp
@@ -9,7 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
 // These compilers don't support __builtin_is_implicit_lifetime yet.
-// UNSUPPORTED: clang-18, clang-19, gcc-14, gcc-15, apple-clang-16, apple-clang-17
+// UNSUPPORTED: clang-19, gcc-14, gcc-15, apple-clang-16, apple-clang-17
 
 // <type_traits>
 
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.verify.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.verify.cpp
index e5b10f57be084..1ca9d44b82afe 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.verify.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.verify.cpp
@@ -9,7 +9,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
 // These compilers don't support __builtin_is_implicit_lifetime yet.
-// UNSUPPORTED: clang-18, clang-19, gcc-14, apple-clang-16, apple-clang-17
+// UNSUPPORTED: clang-19, gcc-14, apple-clang-16, apple-clang-17
 
 // <type_traits>
 
d...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/148862


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