deps: update ICU to 64.2

Update the version of the bundled ICU (deps/icu-small) to ICU version
64.2 (Unicode 12, CLDR 35)

Fixes: https://github.com/nodejs/node/issues/26388

PR-URL: https://github.com/nodejs/node/pull/27361
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Steven R Loomis <srloomis@us.ibm.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/deps/icu-small/source/i18n/number_stringbuilder.h b/deps/icu-small/source/i18n/number_stringbuilder.h
index b14ad9ede2..d48f6e106c 100644
--- a/deps/icu-small/source/i18n/number_stringbuilder.h
+++ b/deps/icu-small/source/i18n/number_stringbuilder.h
@@ -85,6 +85,8 @@ class U_I18N_API NumberStringBuilder : public UMemory {
 
     int32_t insert(int32_t index, const NumberStringBuilder &other, UErrorCode &status);
 
+    void writeTerminator(UErrorCode& status);
+
     /**
      * Gets a "safe" UnicodeString that can be used even after the NumberStringBuilder is destructed.
      * */
@@ -106,6 +108,8 @@ class U_I18N_API NumberStringBuilder : public UMemory {
 
     void getAllFieldPositions(FieldPositionIteratorHandler& fpih, UErrorCode& status) const;
 
+    bool nextPosition(ConstrainedFieldPosition& cfpos, Field numericField, UErrorCode& status) const;
+
     bool containsField(Field field) const;
 
   private:
@@ -140,6 +144,14 @@ class U_I18N_API NumberStringBuilder : public UMemory {
     int32_t prepareForInsertHelper(int32_t index, int32_t count, UErrorCode &status);
 
     int32_t remove(int32_t index, int32_t count);
+
+    static bool isIntOrGroup(Field field);
+
+    static bool isNumericField(Field field);
+
+    int32_t trimBack(int32_t limit) const;
+
+    int32_t trimFront(int32_t start) const;
 };
 
 } // namespace impl