fix exception on unboxing captured wildcard of numeric type

GitOrigin-RevId: 6fb5c3ed9b1225d4224c8c543221d12412718114

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/UnboxingWildcards.java

@@ -0,0 +1,11 @@
+import java.util.*;
+import java.io.*;
+
+class X {
+  public void save(Collection<? extends Long> value) throws IOException {
+    assert value.isEmpty() || value.size() == 1;
+    writeLONG(value.isEmpty() ? 0 : value.iterator().next());
+  }
+  public static void writeLONG(long val) throws IOException {
+  }
+}