Preprocess code before checking safety
Apparently GHC checks safety (as safe Haskell) before preprocessing. This is sometimes undesirable; for example:
#if __GLASGOW_HASKELL__ >= 702
import Foreign.Safe
#else
import Foreign
#endif
Not sure if preprocessing will break the design of safe Haskell, but if it won't I hope GHC can accept this code as safe.
Trac metadata
Trac field | Value |
---|---|
Version | 7.4.2 |
Type | FeatureRequest |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
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Blocking | |
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Operating system | |
Architecture |