commit 766088ddb360a3494acbd140cf6c2625008f6bbf
author Shane F. Carr <shane@unicode.org> Tue Oct 13 20:22:43 2020 -0500
committer Markus Scherer <markus.icu@gmail.com> Wed Oct 21 11:16:48 2020 -0700
tree b0c97b7dc9dee93a791269524c02ff084092ebd5
parent eb3bb792cd3ad8ad929b00efdf195852faa09bda

ICU-21333 Port fix from ICU-21258 to internal CLDR API

icu4j/main/classes/core/src/com/ibm/icu/impl/number/CompactData.java

diff --git a/icu4j/main/classes/core/src/com/ibm/icu/impl/number/CompactData.java b/icu4j/main/classes/core/src/com/ibm/icu/impl/number/CompactData.java
index e2a0d30..b3e536a 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/impl/number/CompactData.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/impl/number/CompactData.java
@@ -98,7 +98,12 @@
                 .entrySet()) {
             byte magnitude = (byte) (magnitudeEntry.getKey().length() - 1);
             for (Map.Entry<String, String> pluralEntry : magnitudeEntry.getValue().entrySet()) {
-                StandardPlural plural = StandardPlural.fromString(pluralEntry.getKey().toString());
+                String pluralString = pluralEntry.getKey().toString();
+                if ("0".equals(pluralString) || "1".equals(pluralString)) {
+                    // TODO(ICU-21258): Handle this case. For now, skip.
+                    continue;
+                }
+                StandardPlural plural = StandardPlural.fromString(pluralString);
                 String patternString = pluralEntry.getValue().toString();
                 patterns[getIndex(magnitude, plural)] = patternString;
                 int numZeros = countZeros(patternString);