case unP parseHeader (mkPState buf loc dflags) of
PFailed span err -> parseError span err
POk pst rdr_module -> do
- let ms@(warns, errs) = getMessages pst
- logWarnings warns
+ let ms@(_warns, errs) = getMessages pst
+ -- don't log warnings: they'll be reported when we parse the file
+ -- for real. See #2500.
+ -- logWarnings warns
if errorsFound dflags ms
then liftIO $ throwIO $ mkSrcErr errs
else