Update to SCons 1.2.0.

third_party/scons/scons-local/SCons/Script/Interactive.py

Index: third_party/scons/scons-local/SCons/Script/Interactive.py
===================================================================
--- third_party/scons/scons-local/SCons/Script/Interactive.py	(revision 7505)
+++ third_party/scons/scons-local/SCons/Script/Interactive.py	(working copy)
@@ -21,7 +21,7 @@
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-__revision__ = "src/engine/SCons/Script/Interactive.py 3603 2008/10/10 05:46:45 scons"
+__revision__ = "src/engine/SCons/Script/Interactive.py 3842 2008/12/20 22:59:52 scons"
 
 __doc__ = """
 SCons interactive mode
@@ -259,6 +259,12 @@
             node.set_state(SCons.Node.no_state)
             node.implicit = None
 
+            # Debug:  Uncomment to verify that all Taskmaster reference
+            # counts have been reset to zero.
+            #if node.ref_count != 0:
+            #    from SCons.Debug import Trace
+            #    Trace('node %s, ref_count %s !!!\n' % (node, node.ref_count))
+
         SCons.SConsign.Reset()
         SCons.Script.Main.progress_display("scons: done clearing node information.")