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https://ghc.haskell.org/trac/ghc/ticket/12136

 https://ghc.haskell.org/trac/ghc/ticket/12136

https://ghc.haskell.org/trac/ghc/ticket/12136 のバグを直した話 @ #hasmoku

Daishi Nakajima

March 20, 2017
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  1. *TTVF ▶ 4*("#35 PO SJHIUTIJGU PQFSBUJPO BHBJOTU MPOH OFHBUJWF JOUFHFS

    Y *OUFHFS Y     bTIJGU-b   NBJO  QSJOU  Y bTIJGU3b   1SPHSBN SFDFJWFE TJHOBM 4*("#35 "CPSUFE
  2. "CPVU SJHIU TIJGUJOH OFHBUJWF OVNCFS αϯϓϧ ▶  ▶ 

     ▶   ͷิ਺දݱ ▶ TIJGU3  Λద༻ɺࢉज़γϑτ ▶  r  ▶ TIJGU3  ▶  r 
  3. ූ߸ CJU Λ࢖Θͳ͍৔߹ ▶   ▶ TIJGU3  ਖ਼ͷ਺ͱͯ͠

    ▶   r  ▶ TIJGU3  ▶   r  TIJGUFE PVU ▶ BEE  γϑτΞ΢τ͕ൃੜͨ͠৔߹  Λ଍͢ ▶   r 
  4. 1SPCMFN ▶ (.1 Λ࢖͍ͬͯΔ ▶ (.1@-*.#@#*54 ୯ҐͰ CJU Λ֬อ͍ͯ͠Δ ▶

    (.1@-*.#@#*54 ୯ҐҎ্Ͱ STIJGU ͍ͨ͠͞ʹ੾Γ٧ΊΔ ▶ (.1@-*.#@#*54 ͷഒ਺Ͱӈγϑτ࣌ɺܻ਺੾Γ٧Ί ʮTIJGUFE PVU ࣌ ͷ BEE  Ͱ DBSSZ PVUʯͰ BCPSU
  5. FYBNQMF ▶ (.1@-*.#@#*54   ͱԾఆ ▶  UXPT DPNQMFNFOU

     ▶ TIJGU3  ▶  TIJGUFE PVU ▶  SFEVDF CJUT ▶ BEE  ▶   DBSSZ PVU ▶ BCPSU
  6. 'JY ▶ 'JY UIF SJHIUTIJGU PQFSBUJPO GPS OFHBUJWF CJH JOUFHFST

    pYFT  ▶ ্ه৚݅Ͱ -*.# Λ  ͭଟ֬͘อ