Minor improvement in CoreDump outputs:
Minor improvement in CoreDump outputs:

Don't add parens unnecessarily when arguments of the application are all
hidden (because of parameters like -dsuppress-all,
-dsuppress-type-applications etc.)

Reviewers: bgamari, austin

Subscribers: thomie

Differential Revision: https://phabricator.haskell.org/D1771

(cherry picked from commit c3133273070b865011d848ec17b550168072f73c)

GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc