Add rules involving `coerce` to the libraries
With #2110 (closed) fixed, we can now add rules like
{-# RULES "map/coerce" [0] map coerce = coerce #-}to the standard libraries. But probably this should happen together or after #8718 (closed).
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.9 |
| Type | Task |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | libraries/base |
| Test case | |
| Differential revisions | |
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| Blocking | |
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| Operating system | |
| Architecture |