Index: lib/asan/asan_interceptors_memintrinsics.cc
===================================================================
--- lib/asan/asan_interceptors_memintrinsics.cc
+++ lib/asan/asan_interceptors_memintrinsics.cc
@@ -31,14 +31,14 @@
   ASAN_MEMMOVE_IMPL(nullptr, to, from, size);
 }
 
-#if SANITIZER_FUCHSIA
+#if SANITIZER_FUCHSIA || SANITIZER_RTEMS
 
 // Fuchsia doesn't use sanitizer_common_interceptors.inc, but the only
 // things there it wants are these three.  Just define them as aliases
 // here rather than repeating the contents.
 
-decltype(memcpy) memcpy[[gnu::alias("__asan_memcpy")]];
-decltype(memmove) memmove[[gnu::alias("__asan_memmove")]];
-decltype(memset) memset[[gnu::alias("__asan_memset")]];
+decltype(__asan_memcpy) memcpy[[gnu::alias("__asan_memcpy")]];
+decltype(__asan_memmove) memmove[[gnu::alias("__asan_memmove")]];
+decltype(__asan_memset) memset[[gnu::alias("__asan_memset")]];
 
-#endif  // SANITIZER_FUCHSIA
+#endif  // SANITIZER_FUCHSIA || SANITIZER_RTEMS