Give suggestions for unknown command line flags
I noticed that GHC does not do that yet, even though suggestions are given almost every else, so I came up with this simple patch.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.5 |
| Type | FeatureRequest |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
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| Operating system | |
| Architecture |