ghc-prim: Mark unpackCStringUtf8# and unpackNBytes# as NOINLINE
ghc-prim: Mark unpackCStringUtf8# and unpackNBytes# as NOINLINE

There is no benefit to be had from inlining this function and it may
defeat rewrite rules if inlined early. See #11772..

Test Plan: Validate, nofib

Reviewers: simonpj, austin

Subscribers: thomie

Differential Revision: https://phabricator.haskell.org/D2057

GHC Trac Issues: #11772

olsner/ghc,ezyang/ghc,ezyang/ghc,ezyang/ghc,snoyberg/ghc,snoyberg/ghc,sdiehl/ghc,vTurbine/ghc,tjakway/ghcjvm,sgillespie/ghc,olsner/ghc,vTurbine/ghc,ezyang/ghc,snoyberg/ghc,sgillespie/ghc,tjakway/ghcjvm,sdiehl/ghc,sgillespie/ghc,tjakway/ghcjvm,shlevy/ghc,mettekou/ghc,snoyberg/ghc,mettekou/ghc,vikraman/ghc,vTurbine/ghc,mettekou/ghc,shlevy/ghc,sdiehl/ghc,sgillespie/ghc,shlevy/ghc,shlevy/ghc,sgillespie/ghc,mettekou/ghc,olsner/ghc,sgillespie/ghc,sdiehl/ghc,vikraman/ghc,shlevy/ghc,ezyang/ghc,vikraman/ghc,vTurbine/ghc,snoyberg/ghc,olsner/ghc,vikraman/ghc,vTurbine/ghc,tjakway/ghcjvm,mettekou/ghc,mettekou/ghc,olsner/ghc,vTurbine/ghc,tjakway/ghcjvm,sdiehl/ghc,ezyang/ghc,olsner/ghc,vikraman/ghc,ezyang/ghc,sdiehl/ghc,vikraman/ghc,sgillespie/ghc,tjakway/ghcjvm,mettekou/ghc,tjakway/ghcjvm,sdiehl/ghc,olsner/ghc,snoyberg/ghc,shlevy/ghc,shlevy/ghc,snoyberg/ghc,vikraman/ghc,vTurbine/ghc