Issues · Glasgow Haskell Compiler / GHC · GitLab

Case of known constructor can weaken indicated demands on a functions arguments.

#21565 · created May 12, 2022 by Andreas Klebinger Plow Tfeature request demand analysis simplifier
- 6
updated May 13, 2022
Panic from refineFromInScope when using Typeable with TH

#21547 · created May 10, 2022 by Tom Smeding 9.2.3 Phigh Tbug compiler crash simplifier
- 1
- 15
updated May 20, 2022
Should OtherCon[] be considered harmful?

#21496 · created May 04, 2022 by Andreas Klebinger Pnormal Ttask simplifier
- 12
updated May 10, 2022
The behaviour of `collectTyAndValBinders` is missleading.

#21449 · created Apr 28, 2022 by Andreas Klebinger Plow Ttask simplifier
- 2
updated Apr 29, 2022
Confusing comments around SimplEnv

#21374 · created Apr 11, 2022 by Matthew Pickering Ttask simplifier
- 8
updated Apr 12, 2022
Tidy doesn't remove shadowing from typeclass method accessors

#21363 · created Apr 08, 2022 by Gergő Érdi Pnormal Ttask documentation simplifier
- 5
updated Apr 11, 2022
Panic from refineFromInScope when simplifying Lam body

#21321 · created Mar 31, 2022 by Ziyang Liu GHC API Pnormal simplifier
- 1
- 2
updated Apr 05, 2022
Constant-folding may disrespect negative zero

#21227 · created Mar 13, 2022 by Matthew Craven Tbug numerics simplifier
- 4
updated Mar 15, 2022
boxingDataCon_maybe lacks boxing constructors for many primitive types

#21165 · created Mar 04, 2022 by Matthew Pickering 9.6.1 Pnormal Tfeature request simplifier
- 5
updated Mar 09, 2022
Inadequate FloatIn pass may leave redundant allocations in the hot path

#21128 · created Feb 24, 2022 by Sebastian Graf Pnormal Tbug demand analysis float-in runtime perf simplifier
- 1
updated Mar 16, 2022
Failure of arity trimming leads to simplifer loop

#20953 · created Jan 16, 2022 by Simon Peyton Jones Pnormal Tbug compiler perf representation polymorphism simplifier
- 4
updated Jan 17, 2022
Simplifier loop through cast worker/wrapper

#20952 · created Jan 16, 2022 by Simon Peyton Jones Pnormal Tbug simplifier worker/wrapper transformation
- 1
updated Jan 17, 2022
Worker/wrapper transformation doesn't unpack all applicable dictionaries

#20917 · created Jan 08, 2022 by Andrzej Rybczak Pnormal Tbug runtime perf simplifier worker/wrapper transformation
- 12
updated Jan 21, 2022
All classes as data types, even single-methods ones?

#20897 · created Jan 02, 2022 by Joachim Breitner Plow Ttask desugaring simplifier
- 1
- 28
updated May 21, 2022
Stack overflow / OOM with UndecidableSuperClasses in 9.2

#20836 · created Dec 17, 2021 by Brandon Chinn 9.2.2 Phigh Tbug incorrect runtime result runtime crash simplifier
- 1
- 11
updated May 20, 2022
Pretty-printing: Print join-rhs (and let-no-escape-rhs) after the body?

#20809 · created Dec 10, 2021 by Sebastian Graf Pnormal Ttask pretty printing simplifier
- 1
updated Dec 14, 2021
Likely bug in coercion optimization

#20798 · created Dec 08, 2021 by Richard Eisenberg Coercions Phigh Tbug core lint simplifier
- 3
updated Apr 07, 2022
Duplicate join points redux

#20739 · created Nov 25, 2021 by vdukhovni Plow Tbug join points simplifier
- 20
updated Dec 08, 2021
Unexpected code duplication of join point continuations...

#20717 · created Nov 21, 2021 by vdukhovni Pnormal runtime perf simplifier
- 7
updated Nov 25, 2021
Use weak sybols to share orphan specializations of functions.

#20710 · created Nov 18, 2021 by Andreas Klebinger Plow Tquestion simplifier specialisation
- 2
updated Dec 06, 2021

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