--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/GraalOptions.java	Tue Apr 23 14:09:54 2019 -0400
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/GraalOptions.java	Tue Apr 23 22:55:09 2019 +0200
@@ -282,4 +282,6 @@
     @Option(help = "Use Graal-generated stubs for complicated LIR operations instead of embedding all the emitted code.")
     public static final OptionKey<Boolean> UseGraalStubs = new OptionKey<>(true);
 
+    @Option(help = "Encode and decode snippets and substitutions before parsing to test libgraal code path. This option is ignored in the context of libgraal.")
+    public static final OptionKey<Boolean> UseEncodedGraphs = new OptionKey<>(false);
 }