[libc++] Remove _LIBCPP_USING_IF_EXISTS from fundamental aliases

philnik777 · ldionne · commit 29445fa38d52 · 2024-09-13T09:30:55.000-04:00
diff --git a/libcxx/include/__cstddef/max_align_t.h b/libcxx/include/__cstddef/max_align_t.h
@@ -19,7 +19,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 #if !defined(_LIBCPP_CXX03_LANG)
-using ::max_align_t _LIBCPP_USING_IF_EXISTS;
+using ::max_align_t;
 #endif
 
 _LIBCPP_END_NAMESPACE_STD
diff --git a/libcxx/include/__cstddef/ptrdiff_t.h b/libcxx/include/__cstddef/ptrdiff_t.h
@@ -18,7 +18,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-using ::ptrdiff_t _LIBCPP_USING_IF_EXISTS;
+using ::ptrdiff_t;
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/libcxx/include/__cstddef/size_t.h b/libcxx/include/__cstddef/size_t.h
@@ -18,7 +18,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-using ::size_t _LIBCPP_USING_IF_EXISTS;
+using ::size_t;
 
 _LIBCPP_END_NAMESPACE_STD
 
