deps: ICU 61.1 bump

- Update to released ICU 61.1, including:
  - CLDR 33 (many new languages and data improvements)
  - Many small API additions, improvements, and bug fixes
  - note: 'icu::' namespace is no longer used by default
   (Necessated https://github.com/nodejs/node/pull/18667 )

PR-URL: https://github.com/nodejs/node/pull/19621
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/deps/icu-small/source/common/rbbisetb.h b/deps/icu-small/source/common/rbbisetb.h
index 7cedb45b33..a7a91b3b37 100644
--- a/deps/icu-small/source/common/rbbisetb.h
+++ b/deps/icu-small/source/common/rbbisetb.h
@@ -82,7 +82,8 @@ public:
     RBBISetBuilder(RBBIRuleBuilder *rb);
     ~RBBISetBuilder();
 
-    void     build();
+    void     buildRanges();
+    void     buildTrie();
     void     addValToSets(UVector *sets,      uint32_t val);
     void     addValToSet (RBBINode *usetNode, uint32_t val);
     int32_t  getNumCharCategories() const;   // CharCategories are the same as input symbol set to the
@@ -93,6 +94,13 @@ public:
     UChar32  getFirstChar(int32_t  val) const;
     UBool    sawBOF() const;                 // Indicate whether any references to the {bof} pseudo
                                              //   character were encountered.
+    /** merge two character categories that have been identified as having equivalent behavior.
+     *  The ranges belonging to the right category (table column) will be added to the left.
+     */
+    void     mergeCategories(int32_t left, int32_t right);
+
+    static constexpr int32_t DICT_BIT = 0x4000;
+
 #ifdef RBBI_DEBUG
     void     printSets();
     void     printRanges();