... | ... | @@ -16,7 +16,7 @@ This section lists show-stopper bugs in 7.8.3. A show-stopper is a bug that sim |
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- [\#8819](https://gitlab.haskell.org//ghc/ghc/issues/8819) and [\#8849](https://gitlab.haskell.org//ghc/ghc/issues/8849): Arithmetic is broken in unregisterised compiler. A regression in the C code backend leads to the compiler producing incorrect code that fails almost all arithmetic tests ([\#8849](https://gitlab.haskell.org//ghc/ghc/issues/8849)) and others ([\#8819](https://gitlab.haskell.org//ghc/ghc/issues/8819)) in the test suite. Moreover, the resulting 7.8.3 cannot bootstrap itself. This is a significant inconvenience for users of architectures where only the unregisterised backend via C is supported, such as powerpc64 and s390.
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>
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> Phabricator D173 [ https://phabricator.haskell.org/D173](https://phabricator.haskell.org/D173) has a patch that fixes both tickets. The patch applies cleanly (with an offset of a few lines).
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> Phabricator D173 [https://phabricator.haskell.org/D173](https://phabricator.haskell.org/D173) has a patch that fixes both tickets. The patch applies cleanly (with an offset of a few lines).
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- [\#8960](https://gitlab.haskell.org//ghc/ghc/issues/8960) & co: `SpecConstr` frequently explodes in the wild, causing the compiler to essentially loop forever.
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