[GHC] #10320: -ddump-to-file should create empty dump files when there was nothing to dump

[GHC]

#10320: -ddump-to-file should create empty dump files when there was nothing to
dump
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        Reporter:  rwbarton          |                Owner:  kaiha
            Type:  bug               |               Status:  patch
        Priority:  low               |            Milestone:
       Component:  Compiler          |              Version:  7.10.1
      Resolution:                    |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2015
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"9f9345e5ad55e4a02e6de9afac814ac58c852ff2/ghc"
 9f9345e5/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="9f9345e5ad55e4a02e6de9afac814ac58c852ff2"
 Create empty dump files (fixes #10320)

 Test Plan: ./validate

 Reviewers: austin, bgamari

 Reviewed By: bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2015

 GHC Trac Issues: #10320
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10320#comment:17>
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