[GHC] #16354: LLVM Backend generates invalid assembly.

[GHC]

#16354: LLVM Backend generates invalid assembly.
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        Reporter:  AndreasK          |                Owner:  (none)
            Type:  bug               |               Status:  upstream
        Priority:  high              |            Milestone:
       Component:  Compiler (LLVM)   |              Version:  8.9
      Resolution:                    |             Keywords:  CodeGen
Operating System:  Windows           |         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 AndreasK):

 {{{
 $ as --version
 GNU assembler (GNU Binutils) 2.30
 Copyright (C) 2018 Free Software Foundation, Inc.
 This program is free software; you may redistribute it under the terms of
 the GNU General Public License version 3 or later.
 This program has absolutely no warranty.
 This assembler was configured for a target of `x86_64-w64-mingw32'.

 }}}

 Windows 10 Pro - Build 17763 (64 Bit)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16354#comment:7>
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