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<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'>The error message below doesn't
look like the usual MLton type errors, and the code generating it looks correct
to me. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'>MLton 20070826 (built Sun Aug 26
20:32:41 2007 on WOLFPUP)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'>MLton starting<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'> Compile SML starting<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'> pre
codegen starting<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'> pre
codegen raised in 23.17 + 21.27 (48% GC)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'> Compile SML raised in
23.17 + 21.27 (48% GC)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'>MLton raised in 23.17 + 21.27 (48%
GC)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'>Tree.t_0 has no tyconRep property<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Courier><span
style='font-size:10.0pt;font-family:Courier'>Relatively trivial perturbations
of the code allow it to compile. Anyone seen anything like this
before? I'm working on boiling it down to a small example, but haven't
been able to yet.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-leaf<o:p></o:p></span></font></p>
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