[GR-27747] Magic number is not counted from Serialization Version.

Author: ppisl

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/ImpModuleBuiltins.java

@@ -87,6 +87,7 @@
 import com.oracle.graal.python.nodes.function.builtins.PythonBinaryBuiltinNode;
 import com.oracle.graal.python.nodes.statement.ExceptionHandlingStatementNode;
 import com.oracle.graal.python.nodes.util.CastToJavaStringNode;
+import com.oracle.graal.python.parser.sst.SerializationUtils;
 import com.oracle.graal.python.runtime.ExecutionContext.ForeignCallContext;
 import com.oracle.graal.python.runtime.PythonContext;
 import com.oracle.graal.python.runtime.PythonCore;
@@ -175,7 +176,7 @@ public boolean run() {
     @Builtin(name = "get_magic")
     @GenerateNodeFactory
     public abstract static class GetMagic extends PythonBuiltinNode {
-        static final int MAGIC_NUMBER = 3413;
+        static final int MAGIC_NUMBER = 21000 + SerializationUtils.VERSION * 10;
 
         @Child private IntBuiltins.ToBytesNode toBytesNode = IntBuiltins.ToBytesNode.create();
         @Child private PythonObjectLibrary pol = PythonObjectLibrary.getFactory().createDispatched(1);