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The patch includes errors for a whole host of pragmas. But, these
are generated one at a time, and it doesn't seem like a good idea
to add gobs of test-cases here.

This should fix #8953.

Fix #9262.

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D403

GHC Trac Issues: #5435

Signed-off-by: Austin Seipp <austin@well-typed.com>

Summary: -optdef flags were deprecated in or before 2008

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D409

GHC Trac Issues: #2773

Summary: It seems to be dead anyway. Also update Haddock submodule.

Test Plan: validate

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, goldfire, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D357

Stat tests are generally less reliable than other types of tests, so it's nice to have
them in a separate section rather than interspersed with potential...

Summary: ...correctness issues.

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D406

hvr made some suggestions in D352 and D371, this fixes them in the
already-applied patch for Data/Bool.hs as well for consistency.

Reviewed By: austin, hvr

Differential Revision: https://phabricator.haskell.org/D379

The internal Unicode definitions were updated via
d4fd1680

[skip ci]

This gets rid of `-fno-warn-unused-binds` by turning the E* types into
constructor-less data types (as they're used as phantom-types only)

Moreover, this modules uses `AutoDeriveTypeable` so we can drop all those
redundant `deriving (Typeable)` lines as well

Reviewed By: austin, ekmett

Differential Revision: https://phabricator.haskell.org/D385

This pulls in a change to have the new "Examples" sections being in
`base` collapsed by default.

This adds doctest examples for every function and data type in `Data.Char`.

Reviewed By: austin, hvr

Differential Revision: https://phabricator.haskell.org/D371

With #9242 the `OverlappingInstances` extension got deprecated, this
commit adapts the only two remaining places in `base` where it was still
used.

Starting with this commit, the `Typeable (s t)` instance (which seemingly
was the motivation for using `OverlappingInstances` in the first place
when `Typeable` was neither polykinded nor auto-derived-only, see also
commit ce3fd0e0 which introduced
overlapping instances) does no longer allow overlapping instances, and
there doesn't seem to be any good reason to keep allowing overlapping
instance now.

This also removes redundant `LANGUAGE`/`OPTIONS_GHC` pragmas from
`Data.Typeable` and refactors the language pragmas into more uniform
single-line pragmas.

Reviewed By: austin

Differential Revision: https://phabricator.haskell.org/D377

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D404

Summary:
Pretty printer didn't produce trailing newline in strings in error
messages.

Reviewers: simonpj, austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar, mlen

Differential Revision: https://phabricator.haskell.org/D405

GHC Trac Issues: #9681

Summary:
Additionally, move Unicode 7.0 update notice from the compiler
section to the base libraries section.

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Projects: #ghc

Differential Revision: https://phabricator.haskell.org/D401

Summary:
Fixes python3 compatibility issues by replacing filter with a list
comperhension and a potential issue with python2 when override_flags
would be an empty list.

Reviewers: austin, thomie

Reviewed By: austin, thomie

Subscribers: thomie, carter, simonmar, mlen

Differential Revision: https://phabricator.haskell.org/D399

GHC Trac Issues: #9230

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D398

Test Plan: None really.

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D386

GHC Trac Issues: #9734

Trying to run /usr/bin/echo fails when running tests on Windows,
but using plain "echo" works fine. I think it's fine to assume
the environment is not doing anything particularly funny...

Summary:
...with
echo...

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar, #ghc_windows_task_force

Differential Revision: https://phabricator.haskell.org/D384

Looks like the mingw32-specific test was accidentally forgotten after
changing the code and the expected outputs for non OS-specific tests.

Reviewers: austin

Reviewed By: austin

Subscribers: #ghc_windows_task_force, thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D383

Fixes #9367.

Reviewers: austin

Reviewed By: austin

Subscribers: #ghc_windows_task_force, thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D382

GHC Trac Issues: #9367

Summary:
The option is not needed (it was only intended to override Debian's default)
and causes an error if the host ghc's mingw is too old (which the script
does not detect).

Fixes T9727

Reviewers: austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D373

GHC Trac Issues: #9727

Summary:
swprintf has different signatures in mingw32, where it does not include the
buffer size, and in mingw-w64, where it does. That of course breaks the code
as mingw-w64 treats the pointer to the format string as a size_t.

snwprintf is available in both environments and is consistent, so use that
instead.

Reviewers: simonmar, austin

Reviewed By: austin

Subscribers: #ghc_windows_task_force, thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D372

GHC Trac Issues: #9726

Summary:
Fixes #9236. My testing indicates that this does *not* lead to problems with
broken pipes and such, but further testing is required. It found
a bug in haddock; I've submitted a pull request upstream.

Reviewers: ekmett, austin

Reviewed By: ekmett, austin

Subscribers: rwbarton, thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D327

GHC Trac Issues: #9236

Summary: Signed-off-by: Rodlogic <admin@rodlogic.net>

Test Plan: Does it compile?

Reviewers: hvr, austin

Reviewed By: austin

Subscribers: thomie, carter, simonmar

Differential Revision: https://phabricator.haskell.org/D319

This makes sure the --cross-compile mode can handle negative enum
values.

Differential Revision: https://phabricator.haskell.org/D301Signed-off-by: Austin Seipp <austin@well-typed.com>