#9961: compile-time performance regression compiling genprimcode
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Reporter: hvr | Owner: simonpj
Type: bug | Status: new
Priority: normal | Milestone: 7.10.1
Component: Compiler | Version: 7.10.1-rc1
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture:
Type of failure: Compile-time | Unknown/Multiple
performance bug | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Revisions:
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Comment (by hvr):
That's weird... I just tried with today's GHC HEAD (at
696f2cfdea4ab87cc457b141323bb25ab4afe795), and a `BuildFlavour="quick"`
build. The exact steps I took now were:
{{{#!sh
cd utils/genprimopcode/
rm *.o *.hi
alex Lexer.x
../inplace/bin/ghc-stage2 -Rghc-timing -O -c ParserM.hs
# <