Index: include/lldb/Interpreter/Args.h
===================================================================
--- include/lldb/Interpreter/Args.h	(revision 155564)
+++ include/lldb/Interpreter/Args.h	(working copy)
@@ -125,10 +125,10 @@
     SetCommandString (const char *command, size_t len);
 
     bool
-    GetCommandString (std::string &command);
+    GetCommandString (std::string &command) const;
 
     bool
-    GetQuotedCommandString (std::string &command);
+    GetQuotedCommandString (std::string &command) const;
 
     //------------------------------------------------------------------
     /// Gets the number of arguments left in this command object.
Index: source/Interpreter/Args.cpp
===================================================================
--- source/Interpreter/Args.cpp	(revision 155564)
+++ source/Interpreter/Args.cpp	(working copy)
@@ -114,7 +114,7 @@
 }
 
 bool
-Args::GetCommandString (std::string &command)
+Args::GetCommandString (std::string &command) const
 {
     command.clear();
     int argc = GetArgumentCount();
@@ -128,7 +128,7 @@
 }
 
 bool
-Args::GetQuotedCommandString (std::string &command)
+Args::GetQuotedCommandString (std::string &command) const
 {
     command.clear ();
     size_t argc = GetArgumentCount ();