Forward python.EnableBytecodeDSLInterpreter to subprocesses

Author: steve-s

graalpython/com.oracle.graal.python.shell/src/com/oracle/graal/python/shell/GraalPythonMain.java

@@ -415,6 +415,11 @@ protected List<String> preprocessArguments(List<String> givenArgs, Map<String, S
             }
         }
 
+        if (!ImageInfo.inImageCode() && Boolean.getBoolean("python.EnableBytecodeDSLInterpreter")) {
+            // forward the property on JVM
+            addRelaunchArg("--vm.Dpython.EnableBytecodeDSLInterpreter=true");
+        }
+
         // According to CPython if no arguments are given, they contain an empty string.
         if (programArgs.isEmpty()) {
             programArgs.add("");