#4462: -dcore-lint error in simplifier phase 0 when profiling
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Reporter: wkahl | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.0.1 RC1
Keywords: profiling, simplifier, core-lint | Testcase: Agda (darcs,
current)
Blockedby: | Difficulty:
Os: Linux | Blocking:
Architecture: x86_64 (amd64) | Failure: Compile-time
crash
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Comment(by wkahl):
Without profiling, it compiles with {{{-dcore-lint}}} and runs apparently
not worse than with GHC-6.12.3. (Some success, some segfaults, no RTS
errors yet.)
With profiling and without {{{-dcore-lint}}}, it compiles okay,
and even compiling {{{agda-executable}}} (in {{{src/main}}}) configured
with {{{-dcore-lint}}} compiles okay.
I am sorry about the setup cost! It is admittedly high also for me: I am
doing this kind of experiments since I guess that you are not too keen on
looking into run-time errors with GHC-6.12.3 unless I can say that they
are still there at least with 7.0.
I consider part of the setup cost to be due to “design decisions” in
cabal; see for example [http://hackage.haskell.org/trac/hackage/ticket/725
cabal ticket 725]. In short, I think that these cabal policies put a big
stumbling block in the way of anybody who wants to “just try things out
with HEAD”, unless they don't use any non-GHC packages, of course...
Perhaps Simon M still has the setup from ticket:4265 around...
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4462#comment:3>
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