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Glasgow Haskell Compiler
GHC
Commits
d0f3a8ba
Commit
d0f3a8ba
authored
May 11, 2012
by
Simon Marlow
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Handle cases with no alternatives in GHCi
Fixes cgrun045(ghci) amongst others
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4674a239
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compiler/ghci/ByteCodeGen.lhs
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compiler/ghci/ByteCodeGen.lhs
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d0f3a8ba
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@@ -482,6 +482,9 @@ schemeE d s p exp@(AnnTick (Breakpoint _id _fvs) _rhs)
-- ignore other kinds of tick
schemeE d s p (AnnTick _ (_, rhs)) = schemeE d s p rhs
schemeE d s p (AnnCase (_,scrut) _ _ []) = schemeE d s p scrut
-- no alts: scrut is guaranteed to diverge
schemeE d s p (AnnCase scrut _ _ [(DataAlt dc, [bind1, bind2], rhs)])
| isUnboxedTupleCon dc, VoidArg <- typeCgRep (idType bind1)
-- Convert
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