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* Move `iserv` into `utils` and change package name from `iserv-bin` to `iserv`Moritz Angermann2018-06-079-0/+720
| | | | | | | | | | | | | | | | | | This is done for consistency. We usually call the package file the same name the folder has. The move into `utils` is done so that we can move the library into `libraries/iserv` and the proxy into `utils/iserv-proxy` and then break the `iserv.cabal` apart. This will make building the cross compiler with TH simpler, because we can build the library and proxy as separate packages. Test Plan: ./validate Reviewers: bgamari, goldfire, erikd Reviewed By: bgamari Subscribers: rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4436
* Introduce DerivingViaRyan Scott2018-06-041-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements the `DerivingVia` proposal put forth in https://github.com/ghc-proposals/ghc-proposals/pull/120. This introduces the `DerivingVia` deriving strategy. This is a generalization of `GeneralizedNewtypeDeriving` that permits the user to specify the type to `coerce` from. The major change in this patch is the introduction of the `ViaStrategy` constructor to `DerivStrategy`, which takes a type as a field. As a result, `DerivStrategy` is no longer a simple enumeration type, but rather something that must be renamed and typechecked. The process by which this is done is explained more thoroughly in section 3 of this paper ( https://www.kosmikus.org/DerivingVia/deriving-via-paper.pdf ), although I have inlined the relevant parts into Notes where possible. There are some knock-on changes as well. I took the opportunity to do some refactoring of code in `TcDeriv`, especially the `mkNewTypeEqn` function, since it was bundling all of the logic for (1) deriving instances for newtypes and (2) `GeneralizedNewtypeDeriving` into one huge broth. `DerivingVia` reuses much of part (2), so that was factored out as much as possible. Bumps the Haddock submodule. Test Plan: ./validate Reviewers: simonpj, bgamari, goldfire, alanz Subscribers: alanz, goldfire, rwbarton, thomie, mpickering, carter GHC Trac Issues: #15178 Differential Revision: https://phabricator.haskell.org/D4684
* Handle abi-depends correctly in ghc-pkgTobias Dammers2018-06-021-15/+127
| | | | | | | | | | | | | | | | | | | | | | | | When inferring the correct abi-depends, we now look at all the package databases in the stack, up to and including the current one, because these are the ones that the current package can legally depend on. While doing so, we will issue warnings: - In verbose mode, we warn about every package that declares abi-depends:, whether we actually end up overriding them with the inferred ones or not ("possibly broken abi-depends"). - Otherwise, we only warn about packages whose declared abi-depends does not match what we inferred ("definitely broken abi-depends"). Reviewers: bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie, carter GHC Trac Issues: #14381 Differential Revision: https://phabricator.haskell.org/D4729
* rts: Rip out support for STM invariantsBen Gamari2018-06-021-7/+0
| | | | | | | | | | | | | | | | | | | | | | | This feature has some very serious correctness issues (#14310), introduces a great deal of complexity, and hasn't seen wide usage. Consequently we are removing it, as proposed in Proposal #77 [1]. This is heavily based on a patch from fryguybob. Updates stm submodule. [1] https://github.com/ghc-proposals/ghc-proposals/pull/77 Test Plan: Validate Reviewers: erikd, simonmar, hvr Reviewed By: simonmar Subscribers: rwbarton, thomie, carter GHC Trac Issues: #14310 Differential Revision: https://phabricator.haskell.org/D4760
* vectorise: Put it out of its miseryBen Gamari2018-06-022-1/+0
| | | | | | | | | | | | | | | | | | | | | Poor DPH and its vectoriser have long been languishing; sadly it seems there is little chance that the effort will be rekindled. Every few years we discuss what to do with this mass of code and at least once we have agreed that it should be archived on a branch and removed from `master`. Here we do just that, eliminating heaps of dead code in the process. Here we drop the ParallelArrays extension, the vectoriser, and the `vector` and `primitive` submodules. Test Plan: Validate Reviewers: simonpj, simonmar, hvr, goldfire, alanz Reviewed By: simonmar Subscribers: goldfire, rwbarton, thomie, mpickering, carter Differential Revision: https://phabricator.haskell.org/D4761
* Add llvm-target for powerpc64le-unknown-linuxAlan Mock2018-06-021-0/+2
| | | | | | | | | | | | Reviewers: bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie, carter GHC Trac Issues: #15212 Differential Revision: https://phabricator.haskell.org/D4765
* Make HsDocString a newtype of ByteStringSimon Jakobi2018-05-301-0/+0
| | | | | | | | | | | | | | | | | Docstrings don't profit from FastString's interning, so we switch to a different type that doesn't incur this overhead. Updates the haddock submodule. Reviewers: alexbiehl, bgamari Reviewed By: alexbiehl, bgamari Subscribers: rwbarton, thomie, mpickering, carter GHC Trac Issues: #15157 Differential Revision: https://phabricator.haskell.org/D4743
* llvm-targets: Add versioned ARM targetsGuillaume GARDET2018-05-301-2/+2
| | | | | Namely armv6l-unknown-linux-gnueabihf and armv7l-unknown-linux-gnueabihf.
* Typofixes [ci skip]Gabor Greif2018-05-291-1/+1
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* Revert "ghc-pkg: recompute `abi-depends` for updated packages"Ben Gamari2018-05-211-51/+1
| | | | | | This reverts commit 1cdc14f9c014f1a520638f7c0a01799ac6d104e6. This is causing non-deterministic testsuite output.
* ghc-pkg: recompute `abi-depends` for updated packagesAustin Seipp2018-05-201-1/+51
| | | | | | | | | | | | | | | | | | | See `Note [Recompute abi-depends]` for more information. Signed-off-by: Austin Seipp <aseipp@pobox.com> Test Plan: `./validate` Reviewers: bgamari, ezyang Reviewed By: bgamari Subscribers: tdammers, juhp, carter, alexbiehl, shlevy, cocreature, rwbarton, thomie GHC Trac Issues: #14381 Differential Revision: https://phabricator.haskell.org/D4159
* utils/fs: use <sys/stat.h>, not <sys\stat.h>Sergei Trofimovich2018-05-141-2/+2
| | | | | | | | | | | | Fix cross-compilation failure from linux to windows: ``` CC utils/unlit/dist-install/build/fs.o utils/unlit/fs.c:24:10: fatal error: sys\stat.h: No such file or directory #include <sys\stat.h> ^~~~~~~~~~~~ ``` Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
* ghc-pkg: Configure handle encodingsBen Gamari2018-05-131-0/+2
| | | | | | | | | | | | | | | | | | This fixes #15021 using a the same approach as was used to fix the issue in ghc (#10762). Test Plan: Validate on Windows as user whose username contains non-ASCII characters Reviewers: simonmar Reviewed By: simonmar Subscribers: lehins, thomie, carter GHC Trac Issues: #15021 Differential Revision: https://phabricator.haskell.org/D4642
* Refactor LitStringSylvain Henry2018-05-131-0/+0
| | | | | | | | | | | | | | | | | | Refactor LitString so that the string length is computed at most once and then stored. Also remove strlen and memcmp wrappers (it seems like they were a workaround for a very old GCC when using -fvia-C). Bumps haddock submodule. Reviewers: bgamari, dfeuer, nickkuk Reviewed By: bgamari, nickkuk Subscribers: nickkuk, dfeuer, thomie, carter Differential Revision: https://phabricator.haskell.org/D4630
* TTG : complete for balance of hsSyn ASTAlan Zimmerman2018-04-272-2/+3
| | | | | | | | | | | | | | | | | | Summary: - remove PostRn/PostTc fields - remove the HsVect In/Out distinction for Type, Class and Instance - remove PlaceHolder in favour of NoExt - Simplify OutputableX constraint Updates haddock submodule Test Plan: ./validate Reviewers: goldfire, bgamari Subscribers: goldfire, thomie, mpickering, carter Differential Revision: https://phabricator.haskell.org/D4625
* Bump base to version 4.12.0.0Ryan Scott2018-04-191-0/+0
| | | | | | | | | | | | | | | | Summary: Bumps several submodules. Test Plan: ./validate Reviewers: hvr, bgamari Reviewed By: bgamari Subscribers: thomie, carter GHC Trac Issues: #15018 Differential Revision: https://phabricator.haskell.org/D4609
* TTG for HsBinds and Data instances Plan BAlan Zimmerman2018-04-132-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: - Add the balance of the TTG extensions for hsSyn/HsBinds - Move all the (now orphan) data instances into hsSyn/HsInstances and use TTG Data instances Plan B https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow/Instances#PLANB Updates haddock submodule. Illustrative numbers Compiling HsInstances before using Plan B. Max residency ~ 5G <<ghc: 629,864,691,176 bytes, 5300 GCs, 321075437/1087762592 avg/max bytes residency (23 samples), 2953M in use, 0.000 INIT (0.000 elapsed), 383.511 MUT (384.986 elapsed), 37.426 GC (37.444 elapsed) :ghc>> Using Plan B Max residency 1.1G <<ghc: 78,832,782,968 bytes, 2884 GCs, 222140352/386470152 avg/max bytes residency (34 samples), 1062M in use, 0.001 INIT (0.001 elapsed), 56.612 MUT (62.917 elapsed), 32.974 GC (32.923 elapsed) :ghc>> Test Plan: ./validate Reviewers: shayan-najd, goldfire, bgamari Subscribers: goldfire, thomie, mpickering, carter Differential Revision: https://phabricator.haskell.org/D4581
* Restore Trees That Grow reverted commitsAlan Zimmerman2018-04-092-13/+12
| | | | | | | | | | | | | | | | | | The following commits were reverted prior to the release of GHC 8.4.1, because the time to derive Data instances was too long [1]. 438dd1cbba13d35f3452b4dcef3f94ce9a216905 Phab:D4147 e3ec2e7ae94524ebd111963faf34b84d942265b4 Phab:D4177 47ad6578ea460999b53eb4293c3a3b3017a56d65 Phab:D4186 The work is continuing, as the minimum bootstrap compiler is now GHC 8.2.1, and this allows Plan B[2] for instances to be used. This will land in a following commit. Updates Haddock submodule [1] https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow/Instances [2] https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow/Instances#PLANB
* Remove HasSourceText and SourceTextX classesAlan Zimmerman2018-04-071-0/+0
| | | | | | | | Updates haddock submodule to match. Test Plan : Validate Differential Revision: https://phabricator.haskell.org/D4199
* Remove MAX_PATH restrictions from RTS, I/O manager and various utilitiesTamar Christina2018-03-317-19/+355
| | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This shims out fopen and sopen so that they use modern APIs under the hood along with namespaced paths. This lifts the MAX_PATH restrictions from Haskell programs and makes the new limit ~32k. There are only some slight caveats that have been documented. Some utilities have not been upgraded such as lndir, since all these things are different cabal packages I have been forced to copy the source in different places which is less than ideal. But it's the only way to keep sdist working. Test Plan: ./validate Reviewers: hvr, bgamari, erikd, simonmar Reviewed By: bgamari Subscribers: rwbarton, thomie, carter GHC Trac Issues: #10822 Differential Revision: https://phabricator.haskell.org/D4416
* Allow PartialTypeSignatures in standalone deriving contextsRyan Scott2018-03-231-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: At its core, this patch is a simple tweak that allows a user to write: ```lang=haskell deriving instance _ => Eq (Foo a) ``` Which is functionally equivalent to: ```lang=haskell data Foo a = ... deriving Eq ``` But with the added flexibility that `StandaloneDeriving` gives you (namely, the ability to use it anywhere, not just in the same module that `Foo` was declared in). This fixes #13324, and should hopefully address a use case brought up in #10607. Currently, only the use of a single, extra-constraints wildcard is permitted in a standalone deriving declaration. Any other wildcard is rejected, so things like `deriving instance (Eq a, _) => Eq (Foo a)` are currently forbidden. There are quite a few knock-on changes brought on by this change: * The `HsSyn` type used to represent standalone-derived instances was previously `LHsSigType`, which isn't sufficient to hold wildcard types. This needed to be changed to `LHsSigWcType` as a result. * Previously, `DerivContext` was a simple type synonym for `Maybe ThetaType`, under the assumption that you'd only ever be in the `Nothing` case if you were in a `deriving` clause. After this patch, that assumption no longer holds true, as you can also be in this situation with standalone deriving when an extra-constraints wildcard is used. As a result, I changed `DerivContext` to be a proper datatype that reflects the new wrinkle that this patch adds, and plumbed this through the relevant parts of `TcDeriv` and friends. * Relatedly, the error-reporting machinery in `TcErrors` also assumed that if you have any unsolved constraints in a derived instance, then you should be able to fix it by switching over to standalone deriving. This was always sound advice before, but with this new feature, it's possible to have unsolved constraints even when you're standalone-deriving something! To rectify this, I tweaked some constructors of `CtOrigin` a bit to reflect this new subtlety. This requires updating the Haddock submodule. See my fork at https://github.com/RyanGlScott/haddock/commit/067d52fd4be15a1842cbb05f42d9d482de0ad3a7 Test Plan: ./validate Reviewers: simonpj, goldfire, bgamari Reviewed By: simonpj Subscribers: goldfire, rwbarton, thomie, mpickering, carter GHC Trac Issues: #13324 Differential Revision: https://phabricator.haskell.org/D4383
* gen-data-layout.sh: Use bash array for readabilityJohn Ericson2018-03-191-11/+22
| | | | | | | | | | Reviewers: angerman, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4511
* Bump Cabal submoduleBen Gamari2018-03-124-4/+4
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* Bump Cabal submodule to 2.2Moritz Angermann2018-03-035-9/+30
| | | | | | | | | | | | | | Requires some ghc-cabal changes as well. Test Plan: ./validate Reviewers: hvr, bgamari Reviewed By: bgamari Subscribers: hsyl20, erikd, alpmestan, rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4453
* Bump hsc2hs submoduleMoritz Angermann2018-03-041-0/+0
| | | | This should have been part of 5f6fcf78.
* Revert "Move `iserv` into `utils` and change package nameBen Gamari2018-02-209-720/+0
| | | | | | See Phab:D4377 for the rationale. We will try this again. This reverts commit 7c173b9043f7a9a5da46c5b0cc5fc3b38d1a7019.
* Change how includes for input file directory worksTamar Christina2018-02-191-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GHC Used to only allow for one include mode, namely `-I`. The problem with `-I` includes is that it supercedes all other includes, including the system include paths. This is not a problem for paths requested by the user, but it is a problem for the ones we implicitly derive and add. In particular we add the source directory of the input file to the include path. This is problematic because it causes any file with the name of a system include, to inadvertently loop as the wrong file gets included. Since this is an implicitly include, and as far as I can tell, only done so local includes are found (as the sources given to GCC reside in a temp folder) then switch from `-I` to `-iquote`. This requires a submodule update for haddock Test Plan: ./validate Reviewers: austin, bgamari, hvr Reviewed By: bgamari Subscribers: carter, rwbarton, thomie GHC Trac Issues: #14312 Differential Revision: https://phabricator.haskell.org/D4080
* Bump parsec submodule to 0.3.13.0Ben Gamari2018-02-191-1/+1
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* Bump haddock submodule againBen Gamari2018-02-191-0/+0
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* Build Haddocks with --quickjumpBen Gamari2018-02-181-0/+0
| | | | | | | | | | | | | | | By request of @alexbiehl. CCing @snowleopard and @alpmestan as the same should be done in Hadrian. Bumps haddock submodule. Reviewers: alexbiehl Reviewed By: alexbiehl Subscribers: rwbarton, thomie, carter, snowleopard, alpmestan, alexbiehl Differential Revision: https://phabricator.haskell.org/D4365
* Move `iserv` into `utils` and change package name from `iserv-bin` to `iserv`Moritz Angermann2018-02-159-0/+720
| | | | | | | | | | | | | | | | This is done for consistency. We usually call the package file the same name the folder has. The move into `utils` is done so that we can move the library into `libraries/iserv` and the proxy into `utils/iserv-proxy` and then break the `iserv.cabal` apart. This will make building the cross compiler with TH simpler, because we can build the library and proxy as separate packages. Reviewers: bgamari, simonmar, goldfire, erikd Reviewed By: simonmar Subscribers: tdammers, rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4377
* Update .cabal files for Cabal 2.1Moritz Angermann2018-02-153-7/+7
| | | | | | | | | | | | | | | cabal introduces SPDX identifier, and as such we need to change the BSD3 license name. Also the >= qualifier is no longer prefered. Test Plan: ./validate Reviewers: bgamari, erikd, simonmar Reviewed By: bgamari Subscribers: alpmestan, rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4406
* Haddock needs to pass visible modules for instance filteringAlec Theriault2018-01-261-0/+0
| | | | | | | | | | | | | | | | | | | | | | | The GHC-side `getNameToInstancesIndex` filters out incorrectly some instances because it is not aware of what modules are visible. Using `runTcInteractive` means that `ie_visible` gets initialized to a one module set containing some dummy GHCi module. This is clearly not the module set we want to check against to see if a given orphan instance is visible or not. In fact, GHC has no way of knowing what we want that module set to be since it doesn't know ahead of time which modules Haddock is making its docs for. The fix is just to pass that set in as an argument. Bumps haddock submodule. Reviewers: bgamari Reviewed By: bgamari Subscribers: duog, alexbiehl, rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4290
* Update Cabal submoduleOleg Grenrus2018-01-211-3/+3
| | | | | | | | | | | | | | | | - Cabal-2.2 uses SPDX license identifiers, so I had to update `cabal-version: 2.1` packages `license: BSD3` to `license: BSD-3-Clause` - `ghc-cabal` used old ReadP parsec, now it uses `parsec` too - InstalledPackageInfo pretty-printing have changed a little, fields with default values aren't printed. This can be changed in `Cabal` still, but I haven't found problems with omitting them. Note: `BSD-3-Clause` is parsed as "name = BSD, version = 3" by old parser (because 3-Clause looks like version 3 with tag Clause). If you see *"BSD-3" is not a valid license*, then something is using old parser still. Fixes #9885.
* Fix hashbang of gen-data-layoutBen Gamari2018-01-151-1/+1
| | | | | | Subscribers: rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4313
* Typos in commentsGabor Greif2018-01-031-1/+1
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* Bump Cabal submoduleBen Gamari2017-12-221-3/+3
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* Revert accidental hsc2hs submodule downgradeHerbert Valerio Riedel2017-12-071-0/+0
| | | | | This submodule update was committed unintentionally in fa29df02a1b0b926afb2525a258172dcbf0ea460
* Refactor ConDecl: Trac #14529Simon Peyton Jones2017-12-072-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch refactors HsDecls.ConDecl. Specifically * ConDeclGADT was horrible, with all the information hidden inside con_res_ty. Now it's kept separate, as it should be. * ConDeclH98: use [LHsTyVarBndr] instead of LHsQTyVars for the existentials. There is no implicit binding here. * Add a field con_forall to both ConDeclGADT and ConDeclH98 which says if there is an explicit user-written forall. * Field renamings in ConDecl con_cxt to con_mb_cxt con_details to con_args There is an accompanying submodule update to Haddock. Also the following change turned out to remove a lot of clutter: * add a smart constructor for HsAppsTy, namely mkHsAppsTy, and use it consistently. This avoids a lot of painful pattern matching for the common singleton case. Two api-annotation tests (T10278, and T10399) are broken, hence marking them as expect_broken(14529). Alan is going to fix them, probably by changing the con_forall field to con_forall :: Maybe SrcSpan instead of Bool
* utils/hsc2hs: update submoduleSergei Trofimovich2017-12-051-0/+0
| | | | | | | | | | | | | | | This pulls single change to fix building of cross-compilers: * ghc.mk: Use the same conditional install logic from unlit Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> Reviewers: bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4248
* Bump version to 8.5ghc-8.5-startBen Gamari2017-12-041-0/+0
| | | | The ghc-8.4 branch has now been cut. Updates the haddock submodule.
* Revert "trees that grow" workBen Gamari2017-11-212-12/+13
| | | | | | | | | | | | | | As documented in #14490, the Data instances currently blow up compilation time by too much to stomach. Alan will continue working on this in a branch and we will perhaps merge to 8.2 before 8.2.1 to avoid having to perform painful cherry-picks in 8.2 minor releases. Reverts haddock submodule. This reverts commit 47ad6578ea460999b53eb4293c3a3b3017a56d65. This reverts commit e3ec2e7ae94524ebd111963faf34b84d942265b4. This reverts commit 438dd1cbba13d35f3452b4dcef3f94ce9a216905. This reverts commit 0ff152c9e633accca48815e26e59d1af1fe44ceb.
* ghc-pkg: Add missing newlines to usage messageBen Gamari2017-11-201-2/+2
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* Bump haddock submoduleBen Gamari2017-11-201-0/+0
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* Bump hsc2hs submoduleBen Gamari2017-11-201-0/+0
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* Fix #elfi -> #elif; unbreak -Werror.Moritz Angermann2017-11-191-3/+5
| | | | | | | | | | Reviewers: bgamari, erikd Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4209
* Relocatable GHCMoritz Angermann2017-11-181-0/+11
| | | | | | | | | | | | | | GHC and the binary distribution that's produced is not relocatable outside of Windows. This diff tries to address this for at least Linux and macOS. Reviewers: austin, hvr, bgamari, erikd, goldfire, Phyx Reviewed By: bgamari Subscribers: duog, rwbarton, thomie, erikd Differential Revision: https://phabricator.haskell.org/D4121
* GHC.Prim use virtual-modulesMoritz Angermann2017-11-181-15/+1
| | | | | | | | | | | | | | | Stop the GHC.Prim madness with `virtual-module` support from cabal. Needs https://github.com/haskell/cabal/pull/4875. Bumps submodule libraries/Cabal to include the necessary logic for `virtual-module`. Reviewers: bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4179
* Cabalify all the thingsMoritz Angermann2017-11-153-0/+54
| | | | | | | | | | | | | | Adding cabal files to `unlit`, `touchy` and `hp2ps`, allows us to treat them uniformally across the build system. In particular Hadrian will use these. Reviewers: bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4192
* TTG3 Combined Step 1 and 3 for Trees That GrowAlan Zimmerman2017-11-141-0/+0
| | | | | | | | | | | | | | | | | | | Further progress on implementing Trees that Grow on hsSyn AST. See https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow Trees that grow extension points are added for - Rest of HsExpr.hs Updates haddock submodule Test Plan: ./validate Reviewers: bgamari, shayan-najd, goldfire Subscribers: goldfire, rwbarton, thomie, mpickering Differential Revision: https://phabricator.haskell.org/D4186
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