Opened 13 years ago

Closed 13 years ago

Last modified 44 years ago

#538 closed bug (Fixed)

Implicit Params cause core dump!

Reported by: lewie Owned by: nobody
Priority: high Milestone:
Component: Compiler Version: 5.0
Keywords: Cc:
Operating System: Architecture:
Type of failure: Difficulty:
Test Case: Blocked By:
Blocking: Related Tickets:

Description

GHC 5.0 compiles the following to a program that dumps
core:

main = putStr $ show $ foo with ?x = 13

foo :: (?x :: Int) => Int
foo = ?x

Change History (1)

comment:1 Changed 13 years ago by simonpj

  • Status changed from assigned to closed
Logged In: YES 
user_id=50165

This was a serious bug in tcSimlifyIPs.  Very likely some 
of the other strange behaviour of IPs was due to this.  
Fixed now; needs merging into branch.
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