Compiler 5.02 asked me to report a bug.

[Julian Seward (Intl Vendor)]

This failure is handled better by 5.02.2; it at least tells
you to use -fvia-C in the error message.

So the real problem is that the debian people should upgrade
what they distribute from 5.02 to 5.02.2.  IIRC 5.02 contained
a couple of serious segfaulting bugs which were fixed in 5.02.1,
so it would be nice if Debian shipped a less buggy ghc to the
world.

J

| -----Original Message-----
| From: Sigbjorn Finne [mailto:sof at galois.com] 
| Sent: Sunday, February 10, 2002 11:30 PM
| To: Brett Giles
| Cc: glasgow-haskell-bugs at haskell.org
| Subject: Re: Compiler 5.02 asked me to report a bug.
| 
| 
| Hi,
| 
| thanks for a fine bug report. The panic you're running
| into is something that could be handled more gracefully
| by the compiler.
| 
| Workaround is simple, just add -fvia-C to your GHC
| command-line.
| 
| --sigbjorn
| 
| btw, I'd encourage you to make your Postgres Haskell
| binding available to other Haskell programmers. Looks
| like there's plenty of good stuff in there.
| 
| ----- Original Message -----
| From: "Brett Giles" <gilesb at cpsc.ucalgary.ca>
| To: <glasgow-haskell-bugs at haskell.org>
| Sent: Saturday, February 09, 2002 12:31
| Subject: Compiler 5.02 asked me to report a bug.
| 
| 
| > Hi, While using green-card to create an interface for 
| postgres database
| > access, I recieved the following when I executed
| >
| > ghc -c PG.hs -o PG.o -fglasgow-exts -i/usr/local/gc-2.03/lib/ghc
| > -package text -package data -package util
| >
| >
| > ghc-5.02: panic! (the `impossible' happened, GHC version 5.02):
| >     Native code generator can't handle foreign call
| >     {-_ccall-}__casm ``do {PGresult * t;int result;
| >                  t = (PGresult *)%0;
| >                  do {   result = PQnfields( t );
| >
| >                      %r = (int)(result);} while(0);} while(0);''
| >
| > Please report it as a compiler bug to 
| glasgow-haskell-bugs at haskell.org,
| > or http://sourceforge.net/projects/ghc/.
| >
| >
| > I am using a newly compiled version of green-card (2.03) on Debian
| > testing. This is interfacing to postgres version 7.1.3, 
| standard Debian
| > install.
| >
| > The ghc is the standard Debian testing install asl well.
| >
| > I have attached the PG.gc ,hs and .hi files, as well as an optional
| > include file used for hugs...
| >
| > Please note, this interface has been working for hugs (albeit with
| problems)
| >
| > Please let me know if there is anything I can do to assist 
| in further
| > debugging.
| >
| >
| > Brett Giles
| > Grad Student in formal methods, University of Calgary,
| > http://www.cpsc.ucalgary.ca/~gilesb
| >
| >
| ..
| 
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