Legacy codegeneration for immutable state variables.

libevmasm/LinkerObject.h

@@ -40,6 +40,10 @@ struct LinkerObject
 	/// need to be replaced by the actual addresses by the linker.
 	std::map<size_t, std::string> linkReferences;
 
+	/// Map from hashes of the identifiers of immutable variables to a list of offsets into the bytecode
+	/// that refer to their values.
+	std::map<u256, std::vector<size_t>> immutableReferences;
+
 	/// Appends the bytecode of @a _other and incorporates its link references.
 	void append(LinkerObject const& _other);