diff --git a/config/PARROT_VERSION b/config/PARROT_VERSION
index c9591df..df3f397 100644
--- a/config/PARROT_VERSION
+++ b/config/PARROT_VERSION
@@ -1,6 +1,7 @@
 # Minimum svn revision, e.g.:
 # revision: 12345
-revision: 45800
+revision: 45827
+
 # TODO: allow specification of a maximum version, as parrot trunk does
 # sometimes break.
 
diff --git a/runtime/builtin/namespace.pir b/runtime/builtin/namespace.pir
index 4132eee..4cf6126 100644
--- a/runtime/builtin/namespace.pir
+++ b/runtime/builtin/namespace.pir
@@ -119,6 +119,7 @@ bad_args:
 
   .local pmc colons, split, name
   colons = get_root_global ['_tcl'], 'colons'
+  colons = colons[0]
   split  = get_root_global ['parrot'; 'PGE'; 'Util'], 'split'
 
   name = argv[0]
diff --git a/runtime/conversions.pir b/runtime/conversions.pir
index 4085bb4..3ab2b72 100644
--- a/runtime/conversions.pir
+++ b/runtime/conversions.pir
@@ -207,8 +207,10 @@ Given a string namespace, return an array of names.
 depth_set:
   .local pmc colons, split
   colons = get_root_global ['_tcl'], 'colons'
+  colons = colons[0]
   split  = get_root_global ['parrot'; 'PGE'; 'Util'], 'split'
 
+
   .local pmc ns_name
   ns_name = split(colons, name)
   $I0 = elements ns_name
diff --git a/runtime/tcllib.pir b/runtime/tcllib.pir
index 52be467..5f01ac7 100644
--- a/runtime/tcllib.pir
+++ b/runtime/tcllib.pir
@@ -220,7 +220,11 @@ got_platform:
   .local pmc p6rule, colons
   p6rule = compreg 'PGE::Perl6Regex'
   colons = p6rule('\:\:+')
-  set_hll_global 'colons', colons
+  # XXX Workaround TT #1672 - put this sub into a TclList
+  # and pop it out each time we want to invoke it. 
+  $P1 = new 'TclList'
+  $P1[0] = colons
+  set_root_global ['_tcl'], 'colons', $P1
 
   # register the TCL compiler.
   $P1 = get_root_global ['_tcl'], 'compileTcl'
@@ -231,6 +235,7 @@ got_platform:
   set_global 'compiled_num', $P1
 .end
 
+
 .HLL 'parrot'
 .include 'src/grammar/expr/expression.pir'
 .include 'src/grammar/expr/parse.pir'
diff --git a/runtime/variables.pir b/runtime/variables.pir
index d4ff1c0..0b9f92b 100644
--- a/runtime/variables.pir
+++ b/runtime/variables.pir
@@ -405,6 +405,7 @@ root_global_var:
   absolute = 1
   .local pmc colons, split
   colons = get_root_global ['_tcl'], 'colons'
+  colons = colons[0]
   split  = get_root_global ['parrot'; 'PGE'; 'Util'], 'split'
 
   ns  = split(colons, name)
diff --git a/src/class/string.pir b/src/class/string.pir
index a130604..c666b88 100644
--- a/src/class/string.pir
+++ b/src/class/string.pir
@@ -8,7 +8,7 @@ call Tcl methods on them.
 .HLL 'parrot'
 .namespace ['String']
 
-.sub getListValue :method
+.sub getListValue :method :nsentry
   # a TclString would know what to do!
   .local pmc tclstring
   tclstring = new 'TclString'
diff --git a/src/class/tclarray.pir b/src/class/tclarray.pir
index ea30f5c..51c3758 100644
--- a/src/class/tclarray.pir
+++ b/src/class/tclarray.pir
@@ -48,7 +48,7 @@ Create a new iterator and track it.
 
 =cut
 
-.sub new_iter :method
+.sub new_iter :method :nsentry
   .param string array_name
 
   .local pmc ids, searches
@@ -80,7 +80,7 @@ Remove iterator from our list.
 
 =cut
 
-.sub rm_iter :method
+.sub rm_iter :method :nsentry
   .param string named
 
   .local pmc ids, searches
@@ -119,7 +119,7 @@ Return the named iterator
 
 =cut
 
-.sub get_iter :method
+.sub get_iter :method :nsentry
   .param string named
 
   .local pmc searches
diff --git a/src/class/tclconst.pir b/src/class/tclconst.pir
index 3481746..9211c2f 100644
--- a/src/class/tclconst.pir
+++ b/src/class/tclconst.pir
@@ -275,7 +275,7 @@ we're subclassing String...
 
 =cut
 
-.sub '__dump' :method
+.sub '__dump' :method :nsentry
   .param pmc dumper
   .param string label
   print self
diff --git a/src/class/tcldict.pir b/src/class/tcldict.pir
index d405254..b5aade5 100644
--- a/src/class/tcldict.pir
+++ b/src/class/tcldict.pir
@@ -55,7 +55,7 @@ present in TclList.
 
 =cut
 
-.sub getDictValue :method
+.sub getDictValue :method :nsentry
     .return(self)
 .end
 
diff --git a/src/class/tclint.pir b/src/class/tclint.pir
index 832a9b4..e73a697 100644
--- a/src/class/tclint.pir
+++ b/src/class/tclint.pir
@@ -13,7 +13,7 @@ Convert to a List.
 
 =cut
 
-.sub getListValue :method
+.sub getListValue :method :nsentry
     .list(retval)
     $I0 = self
     retval[0] = $I0
diff --git a/src/class/tcllist.pir b/src/class/tcllist.pir
index 06fcaed..d1d6bc8 100644
--- a/src/class/tcllist.pir
+++ b/src/class/tcllist.pir
@@ -48,7 +48,7 @@ Return a list-ified version of this Tcl PMC.
 
 =cut
 
-.sub getListValue :method
+.sub getListValue :method :nsentry
   .return(self)
 .end
 
@@ -61,7 +61,7 @@ moved back into parrot core where we'd be happy to inherit it.
 
 =cut
 
-.sub reverse :method
+.sub reverse :method :nsentry
     .local int low,high
     low = 0
     high = elements self
@@ -277,7 +277,7 @@ Copy the contents of other to self.
 
 =cut
 
-.sub getDictValue :method
+.sub getDictValue :method :nsentry
 
   .local int sizeof_list
   sizeof_list = elements self
diff --git a/src/class/tclproc.pir b/src/class/tclproc.pir
index 848bccc..650c711 100644
--- a/src/class/tclproc.pir
+++ b/src/class/tclproc.pir
@@ -24,7 +24,7 @@ Define the attributes required for the class.
   addattribute $P1, 'defaults'
 .end
 
-.sub 'create' :method
+.sub 'create' :method :nsentry
     .param pmc args
     .param pmc body
     .param string name # short proc name, or apply {...}
diff --git a/src/class/tclstring.pir b/src/class/tclstring.pir
index 8b7b59e..1822faf 100644
--- a/src/class/tclstring.pir
+++ b/src/class/tclstring.pir
@@ -14,7 +14,7 @@ Convert to a List.
 
 =cut
 
-.sub getListValue :method
+.sub getListValue :method :nsentry
     .local pmc retval
     retval = new 'TclList'
 
@@ -190,7 +190,7 @@ done:
 
 =cut
 
-.sub getDictValue :method
+.sub getDictValue :method :nsentry
     # convert to list, then to dict.
     $P1 = self.'getListValue'()
     .tailcall $P1.'getDictValue'()
diff --git a/src/class/tracearray.pir b/src/class/tracearray.pir
index 06ca1dd..8cf64a6 100644
--- a/src/class/tracearray.pir
+++ b/src/class/tracearray.pir
@@ -22,7 +22,7 @@ Define the attributes required for the class.
   addattribute $P1, 'working'
 .end
 
-.sub set_reader :method
+.sub set_reader :method :nsentry
   .param pmc reader
 
   $S0 = reader
diff --git a/src/grammar/expr/past2pir.tg b/src/grammar/expr/past2pir.tg
index a0a5a0a..8ff179b 100644
--- a/src/grammar/expr/past2pir.tg
+++ b/src/grammar/expr/past2pir.tg
@@ -244,6 +244,7 @@ transform pir (PAST::StaticCommand) {
     .local pmc split, colons
     split  = get_root_global ['parrot'; 'PGE'; 'Util'], 'split'
     colons = get_root_global ['_tcl'], 'colons'
+    colons = colons[0]
     $P0    = split(colons, name)
     $S1    = pop $P0
 
@@ -368,6 +369,7 @@ transform pir (PAST::DynamicCommand) {
   $S0 = %1
   .local pmc colons, split
   colons = get_root_global ['_tcl'], 'colons'
+  colons = colons[0]
   split  = get_root_global ['parrot'; 'PGE'; 'Util'], 'split'
   $P0 = split(colons, $S0)
   $S0 = ""