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Ticket Summary Status Owner Type Priority Milestone
#8279 bad alignment in code gen yields substantial perf issue new bug normal 7.12.1
#8285 unexpected behavior with encodeFloat on large inputs new bug normal 7.12.1
#8422 type nats solver is too weak! new bug normal 7.12.1
#8523 blowup in space/time for type checking and object size for high arity tuples new bug normal
#8538 confusing specialization CORE warning, also can't mark type class instances INLINEABLE unless class defn is marked INLINEABLE new bug normal
#8689 confusing comment in compiler/main/SysTools.lhs new bug normal
#8731 long compilation time for module with large data type and partial record selectors new bug normal 7.12.1
#9198 large performance regression in type checker speed in 7.8 new bug high 7.10.1
#9221 (super!) linear slowdown of parallel builds on 40 core machine new bug high 7.12.1
#9370 unfolding info as seen when building a module depends on flags in a previously-compiled module new bug high 7.12.1
#9849 GHC readme.md seems out of date new bug normal
#9861 ghc readme provides out of date git clone directions new bug normal
#9917 ddump-llvm runs opt/llc even when -fllvm isnt set new bug normal
#8107 need types to express constant argument for primop correctness new carter feature request normal 7.12.1
#8252 prefetch# isn't as general as it should be (currently the general version isn't type safe) new feature request normal 7.12.1
#8288 add idris style EDSL support for deep embedding lambdas new feature request normal 7.12.1
#8299 Add richer data model address arithmetic: AddrDiff and AddrInt (ie d Int_ptr_diff and Int_ptr_size) new feature request high 7.12.1
#8364 equip GHC with an accurate internal model of floating point new feature request high 7.12.1
#8423 contraint solver doesn't reduce reducible closed type family expressions (even with undecidable instances!) new feature request normal 7.12.1
#8560 Derive some generic representation for GADTs new feature request normal
#9289 add anyToAddr# :: (#a#)-> Addr# primop (inverse of addrToAny#) new feature request normal 7.12.1
#9667 Type inference is weaker for GADT than analogous Data Family new feature request normal
#7883 enable GHC LLVM backend to use LLVM provided CAS / Atomicity primitives? new carter task normal 7.12.1
#8272 testing if SpLim=$rbp and Sp=$rsp changed performance at all new carter task normal 7.12.1
#8287 exploring calling convention changes and related engineering for 7.10 new task normal 7.12.1
#8323 explore ways to possibly use more tag bits in x86_64 pointers infoneeded task normal 7.12.1
#8396 cleanup / refactor native code gens new task normal 7.12.1
#8405 experiment with using function-sections for linking (for smaller libs and executables) new task normal 7.12.1
#9251 ghc does not expose branchless max/min operations as primops new task normal 7.12.1
#9276 audit ghc floating point support for IEEE (non)compliance new carter task normal 7.12.1
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