[GHC] #15529: runtime bug when profiling retainers

[GHC]

#15529: runtime bug when profiling retainers
-------------------------------------+-------------------------------------
        Reporter:  flip101           |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5075
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by flip101):

 I tried the ghc-8.6 branch but i get build errors. Now it's becomming too
 difficult to check this for me, i will wait until it lands in stack
 nightly or if anyone can help.

 {{{#!bash
 #
 # install ghc
 #
 sudo apt install git autoconf automake libtool make gcc g++ libgmp-dev
 ncurses-dev libtinfo-dev python3 xz-utils clang-5.0 clang-6.0 llvm-5.0
 llvm-6.0

 mkdir ghc-8.6-install

 git clone --single-branch --branch ghc-8.6 --recursive
 git://git.haskell.org/ghc.git ghc-8.6
 cd ghc-8.6
 ./boot
 PATH=~/.stack/programs/x86_64-linux/ghc-8.4.3/bin:$PATH /usr/bin/time
 ./configure --prefix=~/haskell/forks/ghc-8.6-install
 /usr/bin/time make -j3
 /usr/bin/time make test THREADS=3
 /usr/bin/time make make install

 #
 # build project
 #
 cd ~/haskell/myproject
 # version check
 PATH=~/haskell/forks/ghc-8.6-install/bin:$PATH stack exec ghc --skip-ghc-
 check --system-ghc --allow-different-user -- --version

 PATH=~/haskell/forks/ghc-8.6-install/bin:$PATH stack clean --skip-ghc-
 check --system-ghc --allow-different-user

 # step with error
 PATH=~/haskell/forks/ghc-8.6-install/bin:$PATH stack build -j2 --skip-ghc-
 check --system-ghc --allow-different-user

 # not-completed steps:
 PATH=~/haskell/forks/ghc-8.6-install/bin:$PATH stack build -j2 --skip-ghc-
 check --system-ghc --allow-different-user --ghc-options '-O0 -rtsopts=all
 -fprof-auto -fprof-auto-calls -fprof-cafs' --executable-profiling
 PATH=~/haskell/forks/ghc-8.6-install/bin:$PATH stack exec vfix --skip-ghc-
 check --system-ghc --allow-different-user -- +RTS -hr -sstderr
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15529#comment:12>
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