#2213: -Wall incorrectly warns "Defined but not used" for functions exported via
RULES
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Reporter: dons | Owner: dons
Type: bug | Status: assigned
Priority: normal | Milestone:
Component: Compiler | Version: 6.8.2
Severity: normal | Resolution:
Keywords: | Testcase:
Architecture: Unknown | Os: Unknown
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Changes (by dons):
* status: new => assigned
* owner: => dons
Comment:
Ah, worked this one out.
`-fglasgow-exts` is needed to enable rules, otherwise they're considered
comments. (Hence the type error in this rule is silently ignored).
Note however, strangely, `-frewrite-rules` *doesn't* fix this.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2213#comment:1>
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The Glasgow Haskell Compiler
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