From bedadd03a0a8ec4b84751104139cc49bede72cbe Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Tue, 10 Feb 2009 05:06:16 -0400
Subject: [PATCH] option_t's copy constructor wasn't copying "wants_arg".

This was causing "reg -p this" to fail in the REPL.
---
 src/option.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/option.h b/src/option.h
index 50ba238d..787d34ae 100644
--- a/src/option.h
+++ b/src/option.h
@@ -58,6 +58,8 @@ class option_t
   const char   ch;
   bool	       handled;
 
+  option_t& operator=(const option_t&);
+
 public:
   T *          parent;
   value_t      value;
@@ -75,7 +77,8 @@ public:
       ch(other.ch),
       handled(other.handled),
       parent(NULL),
-      value(other.value)
+      value(other.value),
+      wants_arg(other.wants_arg)
   {
     TRACE_CTOR(option_t, "copy");
   }
@@ -103,6 +106,7 @@ public:
 
   string& str() {
     assert(handled);
+    assert(value);
     return value.as_string_lval();
   }