clarify prefetch release notes + remove some deadcode
https://github.com/cartazio/ghc/compare/ghc:ghc-7.8...amend-prefetch-release-notes
noticed some deadcode in the -fvia-c related to prefetch, removes that too
i have those two as separate commits so they can be handled more easily
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.8.1-rc1 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |