With GHC-7.8 I get lots of warnings like
src/Foo/Bar.hs:215:6: Warning:
Rule "foo" may never fire
because ‘bar’ might inline first
Probable fix: add an INLINE[n] or NOINLINE[n] pragma on ‘bar’
So far I thought that rewrite RULES always have precedence to INLINE.
Has this changed? I hesitate to follow the advice of adding phase
numbers in bracket because I consider these phase numbers a quite
fragile and non-modular solution (like precedence numbers for infix
operators).
I have found:
https://ghc.haskell.org/trac/ghc/wiki/Plugins/Phases
Is this still considered for future developments?
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