Yes, booting with -O on didn't work.  I'm beating on that right now.
Getting mutual recursion among modules to work with the terrific level of
cross-module inlining we have is quite tricky.  

Simon

| From: Sven Panne <[EMAIL PROTECTED]>
| Date: Fri, 13 Jun 1997 10:15:28 +0200
| Trying to boot ghc-2.04 with itself fails on HPs (but I don't think the
| problems are HP-related). The compiler itself was successfully built,
| but PrelBase.lhs wasn't so lucky: ghc complained about a parse error in
| an interface-file (for IOBase, I think).
| 
| Looking a bit closer into the compile-log revealed some strange (well,
| at least strange for *me* ;-] warnings like:
| 
| utils/FastString.lhs:12:warning:
|     Warning: failed to find (optional) interface decl for
|     `UniqFM.$muniqueOf'

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