[ ghc-Bugs-630807 ] -O2 generates wrong code

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Bugs item #630807, was opened at 2002-10-29 16:12
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Category: Compiler
Group: 5.04.1
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: -O2 generates wrong code

Initial Comment:
I have a program (the Bluespec compiler), where using
-O2 generates a program that loops (or at least is VERY
slow), whereas not using generates a working program.

I can't really give you the source code, but perhaps
you can contact me and we can see if we can work
something out.

  -- Lennart

lennart at augustsson.net


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