diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7a7b599ff93..ede1f15eb7a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2020-05-23 Iain Sandoe <iain@sandoe.co.uk>
+
+	* config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Make
+	ubsan_{data,type},ASAN symbols linker-visible.
+
 2020-05-22  Jan Hubicka  <hubicka@ucw.cz>
 
 	* lto-streamer-out.c (DFS::DFS): Silence warning.
diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h
index 27665b34a18..f528b1766bf 100644
--- a/gcc/config/darwin.h
+++ b/gcc/config/darwin.h
@@ -808,6 +808,12 @@ extern GTY(()) section * darwin_sections[NUM_DARWIN_SECTIONS];
   do {							\
     if (strcmp ("LC", PREFIX) == 0)			\
       sprintf (LABEL, "*%s%ld", "lC", (long)(NUM));	\
+    else if (strcmp ("Lubsan_data", PREFIX) == 0)	\
+      sprintf (LABEL, "*%s%ld", "lubsan_data", (long)(NUM));\
+    else if (strcmp ("Lubsan_type", PREFIX) == 0)	\
+      sprintf (LABEL, "*%s%ld", "lubsan_type", (long)(NUM));\
+    else if (strcmp ("LASAN", PREFIX) == 0)	\
+      sprintf (LABEL, "*%s%ld", "lASAN", (long)(NUM));\
     else						\
       sprintf (LABEL, "*%s%ld", PREFIX, (long)(NUM));	\
   } while (0)