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Performance regression GHC 7.8.4 to GHC HEAD

Testing with HEAD 02343998

Baseline: GHC 7.8.4

ghc-config 7.8.4
cabal unpack haskell-src-exts
cd haskell-src-exts-1.16.0.1/
cabal install --dependencies-only
time (cabal clean && cabal build)

real	2m38.696s
user	5m17.256s
sys	3m44.732s

Test : GHC HEAD

ghc-config 7.11.20150112

cabal install --dependencies-only
time (cabal clean && cabal build)

real	3m35.027s
user	6m45.664s
sys	5m15.220s
Trac metadata
Trac field Value
Version 7.11
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC hvr
Operating system
Architecture
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