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| author | Simon Peyton Jones <simonpj@microsoft.com> | 2012-09-15 23:06:20 +0100 |
|---|---|---|
| committer | Simon Peyton Jones <simonpj@microsoft.com> | 2012-09-15 23:06:20 +0100 |
| commit | 84bb8541fffb99d425fcd50532dc4556f4bd7aca (patch) | |
| tree | 71ba1048f0a74a3b8c3cf73f5be1a3b57b62bd7f /compiler/codeGen | |
| parent | cf02909e1fc10597c3291817ab905d426307405b (diff) | |
| download | haskell-84bb8541fffb99d425fcd50532dc4556f4bd7aca.tar.gz | |
Fix Trac #7237; mixup with empty tuples
When converting from Core to STG, we swith pattern matching on
on a *nullary* unboxed tuple into matching using a PrimAlt on RealWorld#
case e (RealWorld#) of { DEFAULT -> ... }
This semms messy to me, but it works. There was a bug in that we were
changing to PrimAlt, but not using a DEFAULT AltCon.
Diffstat (limited to 'compiler/codeGen')
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