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November 2018

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Summit on Advances in Programming Languages 2019
by Simon Peyton Jones 27 Nov '18

27 Nov '18

Haskellers The Summit oN Advances in Programming Languages<http://snapl.org/2017/index.html> (SNAPL) is a biennial venue for discussions about programming languages. SNAPL focuses on experience-based insight, innovation, and visionary ideas spanning from foundations to applications of programming languages. SNAPL welcome perspectives from both industry and academia. Ras Bodik and Shriram Krishnamurthi are looking for community input in where and when to hold SNAPL 2019, and how long it should be. Here is their survey<https://goo.gl/forms/pNydkzP4RwLuIa4p1>. Do consider making your views known to them. Simon

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[ANNOUNCE] GHC 8.6.2 is now available
by Ben Gamari 06 Nov '18

06 Nov '18

Hello everyone, The GHC team is very happy to announce the availability of GHC 8.6.2, a bugfix release to GHC 8.6.1. The source distribution, binary distributions, and documentation for this release are available at https://downloads.haskell.org/~ghc/8.6.2 The 8.6 release fixes several regressions present in 8.6.1 including: * A long-standing (but previously hard to manifest) bug resulting in undefined behavior for some applications of dataToTag# has been fixed (#15696) * An incorrect linker path to libgmp in the Mac OS binary distributions (#15404) * A regression rendering Windows installations to read-only directories unusable (#15667) * A regression resulting in panics while compiling some record updates of GADTs constructors (#15499) * A regression resulting in incorrect type errors when splicing types into constraint contexts has been fixed (#15815) * Around a dozen other issues. See Trac [1] for a full list of issues resolved in this release. Note that this release ships with one significant but long-standing bug (#14251): Calls to functions taking both Float# and Double# may result in incorrect code generation when compiled using the LLVM code generator. This is not a new issue, it has existed as long as the LLVM code generator has existed; however, changes in code generation in 8.6 made it more likely that user code using only lifted types will trigger it. Happy compiling! Cheers, - Ben [1] https://ghc.haskell.org/trac/ghc/query?status=closed&milestone=8.6.2&col=id…

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