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(parent: 70ad6e6) | patch
Don't make join points when the case has only one non-bottom alternative
authorsimonpj@microsoft.com <unknown>
Tue, 1 Feb 2011 12:26:37 +0000 (12:26 +0000)
committersimonpj@microsoft.com <unknown>
Tue, 1 Feb 2011 12:26:37 +0000 (12:26 +0000)
commit46ff3d8caded776ab471d3682258147e42be8f14
tree54bd00f38d9ae8ef2c6f05b00cff09d786730112tree | snapshot
parent70ad6e6ad6e2b27ccafc5e8af3b22b22d746e614commit | diff
Don't make join points when the case has only one non-bottom alternative

This fixes Trac #4930.  See Note [Bottom alternatives] in Simplify.lhs
compiler/coreSyn/CoreUtils.lhs diff | blob | history
compiler/simplCore/Simplify.lhs diff | blob | history
Glasgow Haskell Compiler with heterogeneous metaprogramming (generalized arrows and modal types)