[NFC][Clang] Adopt simplified getTrailingObjects in StmtObjC (#143256)

Author: jurahul

clang/include/clang/AST/StmtObjC.h

@@ -166,7 +166,8 @@ class ObjCAtTryStmt final
     : public Stmt,
       private llvm::TrailingObjects<ObjCAtTryStmt, Stmt *> {
   friend TrailingObjects;
-  size_t numTrailingObjects(OverloadToken<Stmt *>) const {
+
+  size_t numTrailingStatements() const {
     return 1 + NumCatchStmts + HasFinally;
   }
 
@@ -185,8 +186,8 @@ class ObjCAtTryStmt final
   /// The order of the statements in memory follows the order in the source,
   /// with the \@try body first, followed by the \@catch statements (if any)
   /// and, finally, the \@finally (if it exists).
-  Stmt **getStmts() { return getTrailingObjects<Stmt *>(); }
-  Stmt *const *getStmts() const { return getTrailingObjects<Stmt *>(); }
+  Stmt **getStmts() { return getTrailingObjects(); }
+  Stmt *const *getStmts() const { return getTrailingObjects(); }
 
   ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt,
                 Stmt **CatchStmts, unsigned NumCatchStmts,
@@ -262,8 +263,7 @@ class ObjCAtTryStmt final
   }
 
   child_range children() {
-    return child_range(
-        getStmts(), getStmts() + numTrailingObjects(OverloadToken<Stmt *>()));
+    return child_range(getStmts(), getStmts() + numTrailingStatements());
   }
 
   const_child_range children() const {