[GHC] #9795: Debug.Trace.trace is too strict

[GHC]

#9795: Debug.Trace.trace is too strict
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        Reporter:  jcpetruzza        |                   Owner:
            Type:  bug               |                  Status:  merge
        Priority:  normal            |               Milestone:  7.12.1
       Component:  libraries/base    |                 Version:  7.8.3
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Changes (by thomie):

 * differential:  Phab:D654 =>


Comment:

 > I'll add this to the documentation for `trace`:
 > {{{
 > The 'trace' function evaluates the message (i.e. the first argument)
 completely
 > before printing it; so if the message is not fully defined, none of it
 > will be printed.
 > }}}
 > OK?
 >
 > Simon

 Ok. Perhaps add that comment to the top of the module instead, since it
 applies to all the functions in the module equally.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9795#comment:12>
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