#5285: Core lint error in T3001-2 [7.0 regression]
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Reporter: simonmar | Owner: simonpj
Type: bug | Status: new
Priority: highest | Milestone: 7.2.1
Component: Compiler | Version: 7.0.3
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Compile-time crash
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Comment(by simonmar):
This one looks similar (last night's build on x86_64/Linux):
{{{
=====> signals004(profasm) 11 of 17 [0, 0, 0]
cd . && '/64playpen/simonmar/nightly/HEAD-cam-04-unx/x86_64-unknown-
linux/inplace/bin/ghc-stage2' -fforce-recomp -dcore-lint -dcmm-lint -dno-
debug-output -no-user-package-conf -rtsopts -o signals004 signals004.hs
-O -prof -auto-all -fasm -package unix >signals004.comp.stderr 2>&1
Compile failed (status 256) errors were:
[1 of 1] Compiling Main ( signals004.hs, signals004.o )
*** Core Lint errors : in result of Simplifier SimplMode {Phase = 0
[final],
inline,
rules,
eta-expand,
case-of-case}
max-iterations=4 ***
<no location info>:
[RHS of a_s1T6 :: GHC.Prim.Int#
-> GHC.Prim.State# GHC.Prim.RealWorld
-> (# GHC.Prim.State# GHC.Prim.RealWorld, () #)]
Demand type has 2 arguments, rhs has 0 arguments, a_s1T6
Binder's strictness signature: DmdType LL
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5285#comment:3>
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