Add a comment to remind ASAN users to compile interpreters with ASAN …

…as well. PiperOrigin-RevId: 471898444
protocolbuffers · Sep 2, 2022 · 8827a09 · 8827a09
1 parent 111249d
commit 8827a09
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/upb/port_def.inc b/upb/port_def.inc
@@ -241,7 +241,11 @@
 
 #undef UPB_FASTTABLE_SUPPORTED
 
-/* ASAN poisoning (for arena) *************************************************/
+/* ASAN poisoning (for arena).
+ * If using UPB from an interpreted language like Ruby, a build of the
+ * interpreter compiled with ASAN enbabled must be used in order to get sane and
+ * expected behavior.
+ */
 
 #if defined(__SANITIZE_ADDRESS__)
 #define UPB_ASAN 1