1 files changed, 3 insertions, 3 deletions
diff --git a/lib/libcxxabi/src/fallback_malloc.cpp b/lib/libcxxabi/src/fallback_malloc.cpp
index bec9952596b..202a46732a3 100644
--- a/lib/libcxxabi/src/fallback_malloc.cpp
+++ b/lib/libcxxabi/src/fallback_malloc.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-// Define _LIBCPP_BUILDING_LIBRARY to ensure _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
+// Define _LIBCPP_BUILDING_LIBRARY to ensure _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
 // is only defined when libc aligned allocation is not available.
 #define _LIBCPP_BUILDING_LIBRARY
 #include "fallback_malloc.h"
@@ -209,14 +209,14 @@ void* __aligned_malloc_with_fallback(size_t size) {
 #if defined(_WIN32)
   if (void* dest = _aligned_malloc(size, alignof(__aligned_type)))
     return dest;
-#elif defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION)
+#elif defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION)
   if (void* dest = std::malloc(size))
     return dest;
 #else
   if (size == 0)
     size = 1;
   void* dest;
-  if (::posix_memalign(&dest, alignof(__aligned_type), size) == 0)
+  if (::posix_memalign(&dest, __alignof(__aligned_type), size) == 0)
     return dest;
 #endif
   return fallback_malloc(size);