diff --git a/llvm/docs/AssignmentTracking.md b/llvm/docs/AssignmentTracking.md
index dfb5add3d4f746..4f07f2d80a5ecb 100644
--- a/llvm/docs/AssignmentTracking.md
+++ b/llvm/docs/AssignmentTracking.md
@@ -203,6 +203,9 @@ to tackle:
   D133293. This will be unecessary if the address can be removed, as described
   below.
 
+* As mentioned in test llvm/test/DebugInfo/assignment-tracking/X86/diamond-3.ll,
+  the analysis should treat escaping calls like untagged stores.
+
 * The system expects locals to be backed by a local alloca. This isn't always
   the case - sometimes a pointer to storage is passed into a function
   (e.g. sret, byval). We need to be able to handle those cases. See