conc034 is failing with a Core Lint error

=====> conc034(threaded2) 78 of 99 [0, 0, 0] 
cd . &&  "/home/smarlow/ghc/inplace/bin/ghc-stage2" -o conc034 conc034.hs -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-warn-tabs -fno-ghci-history  -O -threaded -eventlog  > conc034.comp.stderr 2>&1
Compile failed (status 256) errors were:
[1 of 1] Compiling Main             ( conc034.hs, conc034.o )
*** Core Lint errors : in result of Simplifier ***
<no location info>: warning:
    In the expression: seq
                         @ e10_a1ZF @ (# State# RealWorld, () #) e2_a1ZN (# eta_X16, () #)
    Kinds don't match in type application:
    Type variable: b_13 :: *
    Arg type: (# State# RealWorld, () #) :: #
    xx #

Trac metadata

Trac field	Value
Version	7.11
Type	Bug
TypeOfFailure	OtherFailure
Priority	high
Resolution	Unresolved
Component	Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture

changed weight to 7

added Tbug Trac import labels

Trac metadata

Trac field	Value
Test case	→ concurrent/should_run/conc034.hs

Also fails in opt modes:

$ make test TEST="conc034" WAY=optasm

*** Core Lint errors : in result of Simplifier ***
<no location info>: warning:
    In the expression: seq
                         @ e10_a1ZU @ (# State# RealWorld, () #) e2_a202 (# eta_X16, () #)
    Kinds don't match in type application:
    Type variable: b_13 :: *
    Arg type: (# State# RealWorld, () #) :: #
    xx #

closed

Fixed in #10659 (closed).

Trac metadata

Trac field	Value
Resolution	Unresolved → ResolvedDuplicate
Related	- → #10659 (closed)

changed milestone to %8.0.1

Milestone renamed

added Phigh label