dph-diophantine-copy-opt fails

[igloo]

=====> dph-diophantine-copy-opt(normal) 278 of 3198 [0, 0, 0]
cd ./dph/diophantine && '/home/ian/ghc/git/ghc/bindisttest/install dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-conf -rtsopts  -fno-ghci-history --make -o dph-diophantine-copy-opt Main  -Odph -package dph-lifted-copy  >dph-diophantine-copy-opt.comp.stderr 2>&1
cd ./dph/diophantine && ./dph-diophantine-copy-opt    </dev/null >dph-diophantine-copy-opt.run.stdout 2>dph-diophantine-copy-opt.run.stderr
Wrong exit code (expected 0 , actual 1 )
Stdout:
(1260,[2,2,1,1,0])
(1260,[2,2,1,1,0])

Stderr:
dph-diophantine-copy-opt: libraries/vector/Data/Vector/Generic.hs:395 (slice): invalid slice (0,68,34)
dph-diophantine-copy-opt: thread blocked indefinitely in an MVar operation

*** unexpected failure for dph-diophantine-copy-opt(normal)

[benl]

I have another example that has started doing this as well, investigating.

[benl]

Was a bad rewrite rule in the DPH library.