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[1 of 4] Processing p
Instantiating p
[1 of 1] Compiling M ( p\M.hs, bkpfail54.out\p\M.o )
[2 of 4] Processing q
[1 of 2] Compiling H[sig] ( q\H.hsig, nothing )
[2 of 2] Compiling N ( q\N.hs, nothing )
[3 of 4] Processing r
Instantiating r
[1 of 1] Including p
[1 of 1] Compiling H ( r\H.hs, bkpfail54.out\r\H.o )
[4 of 4] Processing s
Instantiating s
[1 of 3] Including p
[2 of 3] Including r
[3 of 3] Including q[H=r:H]
Instantiating q[H=r:H]
[1 of 1] Including p
[1 of 2] Compiling H[sig] ( q\H.hsig, bkpfail54.out\q\q-EsMFZGC3QiBIz4krwt67aW\H.o )
bkpfail54.bkp:40:5: error: [GHC-15843]
• Type constructor ‘T1’ has conflicting definitions in the module
and its hsig file.
Main module: type T1 :: *
type T1 = forall a. a -> a
Hsig file: type T1 :: *
data T1
Illegal implementation of abstract data:
Invalid polymorphic type: forall a. a -> a.
• While checking that ‘r:H’ implements signature ‘H’ in ‘q[H=r:H]’.
bkpfail54.bkp:41:5: error: [GHC-15843]
• Type constructor ‘T2’ has conflicting definitions in the module
and its hsig file.
Main module: type T2 :: *
type T2 = forall a. C2 a => a
Hsig file: type T2 :: *
data T2
Illegal implementation of abstract data:
Invalid polymorphic type: forall a. C2 a => a.
• While checking that ‘r:H’ implements signature ‘H’ in ‘q[H=r:H]’.
bkpfail54.bkp:42:5: error: [GHC-15843]
• Type constructor ‘T3’ has conflicting definitions in the module
and its hsig file.
Main module: type T3 :: *
type T3 = C2 S => S -> S
Hsig file: type T3 :: *
data T3
Illegal implementation of abstract data:
Invalid qualified type: C2 S => S -> S.
• While checking that ‘r:H’ implements signature ‘H’ in ‘q[H=r:H]’.
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