[MLton] A little bug

[varming@itu.dk]

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I attached a tgz file containing a little SML program bug.sml and a data
file data.  This is what happens when I try out mlton.

mlton bug.sml
Type error: SSa2.TypeCheck2.coerce
{from = ((word8) vector * IntInf.int), to = ((word8) vector * IntInf.int ref)}
Type error: analyze raised exception unhandled exception: TypeError

unhandled exception: TypeError

To me this looks like a bug.

mlton -drop-pass refFlatten bug.sml
./bug
unhandled exception: Time


The exception is raised by (TextIO.scanStream Time.scan is)
where is is a stream opened with TextIO.openIn on the file data that
contains

SpreadExp 0.201
RegInf 0.417
MulInf 0.259
Knorm 0.017

It fails on ' 0.417' but that should not be a problem for Time.scan.

To me this looks like a bug.
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