[gcc r16-4466] libstdc++: Fix typo in in __atomic_ref_base::_S_required_alignment.

[Tomasz Kaminski]

https://gcc.gnu.org/g:c591c2aff5b84970833f84e2faf3f55f32a2c61f

commit r16-4466-gc591c2aff5b84970833f84e2faf3f55f32a2c61f
Author: Tomasz Kamiński <tkaminsk@redhat.com>
Date:   Fri Oct 17 10:24:09 2025 +0200

    libstdc++: Fix typo in in __atomic_ref_base::_S_required_alignment.
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/atomic_base.h
            (__atomic_ref_base::_S_required_alignment): Renamed from...
            (__atomic_ref_base::_S_required_aligment): Renamed.

Diff:
---
 libstdc++-v3/include/bits/atomic_base.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libstdc++-v3/include/bits/atomic_base.h b/libstdc++-v3/include/bits/atomic_base.h
index 7e4ad2b12723..ccea132bb679 100644
--- a/libstdc++-v3/include/bits/atomic_base.h
+++ b/libstdc++-v3/include/bits/atomic_base.h
@@ -1535,7 +1535,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       }
 
       static consteval int
-      _S_required_aligment()
+      _S_required_alignment()
       {
 	if constexpr (is_floating_point_v<_Vt> || is_pointer_v<_Vt>)
 	  return __alignof__(_Vt);
@@ -1555,7 +1555,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       static_assert(is_always_lock_free || !is_volatile_v<_Tp>,
 	"atomic operations on volatile T must be lock-free");
 
-      static constexpr size_t required_alignment = _S_required_aligment();
+      static constexpr size_t required_alignment = _S_required_alignment();
 
       __atomic_ref_base() = delete;
       __atomic_ref_base& operator=(const __atomic_ref_base&) = delete;