[libc] Add missing add_lvalue_reference_t

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[llvmbot]

@llvm/pr-subscribers-libc

Changes

None

Full diff: https://github.com/llvm/llvm-project/pull/65940.diff

1 Files Affected:

• (modified) libc/src/__support/CPP/type_traits/add_lvalue_reference.h (+2)

diff --git a/libc/src/__support/CPP/type_traits/add_lvalue_reference.h b/libc/src/__support/CPP/type_traits/add_lvalue_reference.h
index 7cb22ac03bb033c..d07db42aaac3601 100644
--- a/libc/src/__support/CPP/type_traits/add_lvalue_reference.h
+++ b/libc/src/__support/CPP/type_traits/add_lvalue_reference.h
@@ -22,6 +22,8 @@ auto try_add_lvalue_reference(...) -> cpp::type_identity;
 template 
 struct add_lvalue_reference : decltype(detail::try_add_lvalue_reference(0)) {
 };
+template 
+using add_lvalue_reference_t = typename add_lvalue_reference::type;
 
 } // namespace __llvm_libc::cpp