[GHC] #16087: TH tests fail in ext-interp way when ghc-stage2 is built using LLVM

[GHC]

#16087: TH tests fail in ext-interp way when ghc-stage2 is built using LLVM
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.10.1
       Component:  Compiler (LLVM)   |              Version:  8.6.3
      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 RyanGlScott):

 I'm still experiencing `th`-related `ext-interp` failures on `validate-
 x86_64-linux-deb9-llvm`. See
 https://gitlab.haskell.org/ghc/ghc/merge_requests/378#note_8185.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16087#comment:7>
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