[GHC] #12197: test suite: implement a way to run tests with stage1 compiler

[GHC]

#12197: test suite: implement a way to run tests with stage1 compiler
-------------------------------------+-------------------------------------
        Reporter:  osa1              |                Owner:  thomie
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Test Suite        |              Version:
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2337
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Thomas Miedema <thomasmiedema@…>):

 In [changeset:"d94c40561dde695e658169a3098642294f55c7e3/ghc" d94c405/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="d94c40561dde695e658169a3098642294f55c7e3"
 Testsuite: validate the tests/stage1 directory with the stage1 compiler

 * See `Note [Why is there no stage1 setup function?]`.
 * Move T2632 to the tests/stage1 directory (#10382).

 Reviewed by: ezyang, nomeata, bgamari

 Differential Revision: https://phabricator.haskell.org/D2341

 GHC Trac Issues: #12197
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12197#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler