ghc --show-options lists flags twice
Running ghc --show-options with GHC version 8.0.1 returns the flags -O and -W twice.
To check this, execute the following command in your shell:
ghc --show-options | sort | uniq -dAt commit 669333d8afaf388a3ce4a56e383b24ea2bdea145 (GHC 8.1.20170304) only -O is duplicated.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 8.0.1 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | low |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |