Short circuit instruction set containsAll based on set size

asm-analysis/src/main/java/org/objectweb/asm/tree/analysis/SourceInterpreter.java

@@ -201,7 +201,7 @@ public class SourceInterpreter extends Interpreter<SourceValue> implements Opcod
         return new SourceValue(Math.min(value1.size, value2.size), setUnion);
       }
     }
-    if (value1.size != value2.size || !value1.insns.containsAll(value2.insns)) {
+    if (value1.size != value2.size || !containsAll(value1.insns, value2.insns)) {
       HashSet<AbstractInsnNode> setUnion = new HashSet<AbstractInsnNode>();
       setUnion.addAll(value1.insns);
       setUnion.addAll(value2.insns);
@@ -209,4 +209,9 @@ public class SourceInterpreter extends Interpreter<SourceValue> implements Opcod
     }
     return value1;
   }
+
+  private static <A> boolean containsAll(Set<A> self, Set<A> other) {
+    if (self.size() < other.size()) return false;
+    return self.containsAll(other);
+  }
 }