[GHC] #12747: INLINE vs NOINLINE vs <nothing> give three different results; two would be better

[GHC]

#12747: INLINE vs NOINLINE vs <nothing> give three different results; two would be
better
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        Reporter:  MikolajKonarski   |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by MikolajKonarski):

 Actually, a weaker guarantee would still be very useful and may be
 preferable: the above for functions that are referred to only once and,
 generalizing, for functions that may be inlined in many places, let
 <nothing> be equivalent to INLINABLE and a certain set of `inline` and
 `noinline` at each occurrence of the function.

 Right now this weaker condition doesn't hold, because the function from
 the test is referred to only once (taking into account any other
 inlining).

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12747#comment:1>
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