diff -r 8910b995a2ee -r 1a79b4bfc85a src/java.base/macosx/classes/sun/util/locale/provider/HostLocaleProviderAdapterImpl.java
--- a/src/java.base/macosx/classes/sun/util/locale/provider/HostLocaleProviderAdapterImpl.java	Tue Nov 12 13:49:40 2019 -0800
+++ b/src/java.base/macosx/classes/sun/util/locale/provider/HostLocaleProviderAdapterImpl.java	Tue Nov 12 14:05:18 2019 -0800
@@ -429,8 +429,9 @@
 
             @Override
             public NumberFormat getIntegerInstance(Locale locale) {
-                return new DecimalFormat(getNumberPattern(NF_INTEGER, locale),
+                DecimalFormat format = new DecimalFormat(getNumberPattern(NF_INTEGER, locale),
                     DecimalFormatSymbols.getInstance(locale));
+                return HostLocaleProviderAdapter.makeIntegerFormatter(format);
             }
 
             @Override