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| author | HE, Tao <sighingnow@gmail.com> | 2018-06-14 09:14:58 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2018-06-14 10:03:28 -0400 |
| commit | 4a931665e41be2621abe4458b64190123109b746 (patch) | |
| tree | 1b57669d8317739281073f8c9a07ed5dd7bc5888 /ghc/GHCi/UI.hs | |
| parent | 0238a6c78102d43dae2f56192bd3486e4f9ecf1d (diff) | |
| download | haskell-4a931665e41be2621abe4458b64190123109b746.tar.gz | |
Disable `-fdefer-out-of-scope-variables` in ghci.
We have already disabled `-fdefer-type-errors` and
`-fdefer-typed-holes` in ghci.
This patch disables `-fdefer-out-of-scope-variables` as well.
Fixes Trac #15259, as well as #14963.
Test Plan: make test TEST="T15259 T14963a T14963b T14963c"
Reviewers: bgamari, tdammers
Reviewed By: tdammers
Subscribers: tdammers, rwbarton, thomie, carter
GHC Trac Issues: #15259, #14963
Differential Revision: https://phabricator.haskell.org/D4830
Diffstat (limited to 'ghc/GHCi/UI.hs')
| -rw-r--r-- | ghc/GHCi/UI.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ghc/GHCi/UI.hs b/ghc/GHCi/UI.hs index 7c427a03a8..15cfcf3362 100644 --- a/ghc/GHCi/UI.hs +++ b/ghc/GHCi/UI.hs @@ -1085,6 +1085,10 @@ enqueueCommands cmds = do runStmt :: String -> SingleStep -> GHCi (Maybe GHC.ExecResult) runStmt stmt step = do dflags <- GHC.getInteractiveDynFlags + -- In GHCi, we disable `-fdefer-type-errors`, as well as `-fdefer-type-holes` + -- and `-fdefer-out-of-scope-variables` for **naked expressions**. The + -- declarations and statements are not affected. + -- See Note [Deferred type errors in GHCi] in typecheck/TcRnDriver.hs if | GHC.isStmt dflags stmt -> run_stmt | GHC.isImport dflags stmt -> run_import -- Every import declaration should be handled by `run_import`. As GHCi |