[GHC] #14244: ghc-prim: hs_atomicread* and hs_atomicwrite* missing barriers

[GHC]

#14244: ghc-prim: hs_atomicread* and hs_atomicwrite* missing barriers
-------------------------------------+-------------------------------------
        Reporter:  trommler          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.4.1
       Component:  Prelude           |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect result  |  Unknown/Multiple
  at runtime                         |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12537            |  Differential Rev(s):  Phab:D4009
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by allbery_b):

 This doesn't consider platforms that use clang as their compiler. And
 there's been at least one person trying to use icc recently, which iirc
 used to work.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14244#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler