memo001 causes compile time panic with fails with -O -dannot-lint
$ cd libraries/base/tests; ghc-stage2 memo001.hs -O -dannot-lint
[1 of 2] Compiling Memo1 ( Memo1.lhs, Memo1.o ) [Optimisation flags changed]
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 8.7.20181116 for x86_64-unknown-linux):
idInfo
val_a3pf
Call stack:
CallStack (from HasCallStack):
callStackDoc, called at compiler/utils/Outputable.hs:1160:37 in ghc:Outputable
pprPanic, called at compiler/basicTypes/Var.hs:567:34 in ghc:Var
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
Trac metadata
Trac field |
Value |
Version |
8.7 |
Type |
Bug |
TypeOfFailure |
OtherFailure |
Priority |
normal |
Resolution |
Unresolved |
Component |
Compiler |
Test case |
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Differential revisions |
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BlockedBy |
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Related |
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Blocking |
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CC |
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Operating system |
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Architecture |
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