[libcxx-commits] [libcxx] [libc++][test] Don't use `__libcpp_is_constant_evaluated` in `min_allocator.h` (PR #72226)

[via libcxx-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: S. B. Tam (cpplearner)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/72226.diff


1 Files Affected:

- (modified) libcxx/test/support/min_allocator.h (+10-2) 


``````````diff
diff --git a/libcxx/test/support/min_allocator.h b/libcxx/test/support/min_allocator.h
index 1b3727af8185c61..90709e1779b0ad9 100644
--- a/libcxx/test/support/min_allocator.h
+++ b/libcxx/test/support/min_allocator.h
@@ -21,6 +21,14 @@
 
 #include "test_macros.h"
 
+inline constexpr bool test_is_constant_evaluated() {
+#if TEST_STD_VER >= 20
+    return std::is_constant_evaluated();
+#else
+    return false;
+#endif
+}
+
 template <class T>
 class bare_allocator
 {
@@ -464,14 +472,14 @@ class safe_allocator {
 
   TEST_CONSTEXPR_CXX20 T* allocate(std::size_t n) {
     T* memory = std::allocator<T>().allocate(n);
-    if (!std::__libcpp_is_constant_evaluated())
+    if (!test_is_constant_evaluated())
       std::memset(memory, 0, sizeof(T) * n);
 
     return memory;
   }
 
   TEST_CONSTEXPR_CXX20 void deallocate(T* p, std::size_t n) {
-    if (!std::__libcpp_is_constant_evaluated())
+    if (!test_is_constant_evaluated())
       DoNotOptimize(std::memset(p, 0, sizeof(T) * n));
     std::allocator<T>().deallocate(p, n);
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/72226