| * I would like to make GHC generate only the core file and 
| the hi file, nothing more. However, I haven't found a way of 
| making GHC stop after outputting the hi file.  Being able to 
| do this is useful in some other cases as well;  I sometimes 
| look at the raw core that comes is printed with the -ddump* 
| flags. It is often the case that I don't want anything to be 
| generated then.

This would be a Good Thing and not too hard. 
How would you like to specify where to stop?  "After the last
blob of debug output" might be a reasonable answer, but
we definitely also want to be able to carry on.  Yet another flag?

| * Speaking of arguments, it would be a nice thing if one 
| could get the output in A-normal-form. This is done by GHC 
| anyway when converting to STG and in some cases it would be 
| really useful.

GHC is controlled by a little script, one "instruction" of which is
"dump the ext-core".   I have long wanted to externalise the script
file so that you can write it youself; just one more thing we have
not done yet. 

Simon

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