[Haskell-cafe] Dropping containers support for old GHC versions

Henning Thielemann lemming at henning-thielemann.de
Fri Mar 9 16:14:17 UTC 2018

On Fri, 9 Mar 2018, Tom Ellis wrote:

> On Fri, Mar 09, 2018 at 04:42:21PM +0100, Henning Thielemann wrote:
>> On Fri, 9 Mar 2018, David Feuer wrote:
>> >It's that time again. I'd very much like to drop containers support
>> >for GHC version 7.0 (so I can increase the lower bound on array to 0.4
>> >for Safe Haskell-related reasons). I'd also prefer to drop support for
>> >GHC versions 7.2 and 7.4, but I'm somewhat open to being convinced not
>> >to. What do you all think?
>> I am still mainly using GHC-7.4.2.
> I'm rather curious why!

GHC-7.8.4 is the last compiler that prevents me from "length (1,2)" but it 
has a bug in the optimizer that leads to a compiler crash. So I have the 
choice between GHC-7.6.3 and GHC-7.4.2.

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