[commit: ghc] master: WIP on combined Step 1 and 3 for Trees That Grow, HsExpr (e3ec2e7)

[Joachim Breitner]

Hi Alan,

the combined effect of 

commit e3ec2e7ae94524ebd111963faf34b84d942265b4
WIP on combined Step 1 and 3 for Trees That Grow, HsExpr


and 

commit 438dd1cbba13d35f3452b4dcef3f94ce9a216905
WIP on Doing a combined Step 1 and 3 for Trees That Grow


causes a 15% regression in the time it takes to build GHC, according to
https://perf.haskell.org/ghc/#compare/fe6848f544c2a14086bcef388c46f4070c22d287/e3ec2e7ae94524ebd111963faf34b84d942265b4


Is that a known, expected and accepted regression?

Joachim

-- 
Joachim Breitner
  mail at joachim-breitner.de
  http://www.joachim-breitner.de/
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