Make lines stricter to fix a space leak

Henning Thielemann schlepptop at
Mon Oct 4 13:32:54 EDT 2010

Daniel Fischer schrieb:
> On Monday 27 September 2010 22:18:40, Daniel Fischer wrote:
>> Although the Core looks as though it might leak,
> And with 6.8.3 it does leak indeed, but no more with 6.10.* and 6.12.*.
> All produced identical Core, so it's probably a change in the garbage 
> collector.

How can we be sure it runs in constant memory in future GHC versions? Or
in other Haskell compilers? Those fixes to memory leaks look very
fragile to me.

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