--- a/js/src/shell/js.cpp
+++ b/js/src/shell/js.cpp
@@ -6585,16 +6585,24 @@ CreateLastWarningObject(JSContext* cx, J
     RootedValue linenoVal(cx, Int32Value(report->lineno));
     if (!DefineProperty(cx, warningObj, cx->names().lineNumber, linenoVal))
         return false;
 
     RootedValue columnVal(cx, Int32Value(report->column));
     if (!DefineProperty(cx, warningObj, cx->names().columnNumber, columnVal))
         return false;
 
+    RootedObject notesArray(cx, CreateErrorNotesArray(cx, report));
+    if (!notesArray)
+        return false;
+
+    RootedValue notesArrayVal(cx, ObjectValue(*notesArray));
+    if (!DefineProperty(cx, warningObj, cx->names().notes, notesArrayVal))
+        return false;
+
     GetShellContext(cx)->lastWarning.setObject(*warningObj);
     return true;
 }
 
 static FILE*
 ErrorFilePointer()
 {
     if (gErrFile->isOpen())

--- a/js/src/vm/CommonPropertyNames.h
+++ b/js/src/vm/CommonPropertyNames.h
@@ -236,16 +236,17 @@
     macro(next, next, "next") \
     macro(NFC, NFC, "NFC") \
     macro(NFD, NFD, "NFD") \
     macro(NFKC, NFKC, "NFKC") \
     macro(NFKD, NFKD, "NFKD") \
     macro(noFilename, noFilename, "noFilename") \
     macro(nonincrementalReason, nonincrementalReason, "nonincrementalReason") \
     macro(noStack, noStack, "noStack") \
+    macro(notes, notes, "notes") \
     macro(NumberFormat, NumberFormat, "NumberFormat") \
     macro(NumberFormatFormatToParts, NumberFormatFormatToParts, "Intl_NumberFormat_formatToParts") \
     macro(numeric, numeric, "numeric") \
     macro(objectArguments, objectArguments, "[object Arguments]") \
     macro(objectArray, objectArray, "[object Array]") \
     macro(objectBoolean, objectBoolean, "[object Boolean]") \
     macro(objectDate, objectDate, "[object Date]") \
     macro(objectError, objectError, "[object Error]") \