[Git][ghc/ghc][wip/bump-win32] 54 commits: Improve NegativeLiterals (#18022, GHC Proposal #344)

Ben Gamari gitlab at gitlab.haskell.org
Fri Aug 7 00:00:13 UTC 2020



Ben Gamari pushed to branch wip/bump-win32 at Glasgow Haskell Compiler / GHC


Commits:
aee45d9e by Vladislav Zavialov at 2020-07-27T07:06:56-04:00
Improve NegativeLiterals (#18022, GHC Proposal #344)

Before this patch, NegativeLiterals used to parse x-1 as x (-1).

This may not be what the user expects, and now it is fixed:
x-1 is parsed as (-) x 1.

We achieve this by the following requirement:

  * When lexing a negative literal,
    it must not be preceded by a 'closing token'.

This also applies to unboxed literals, e.g. -1#.

See GHC Proposal #229 for the definition of a closing token.

A nice consequence of this change is that -XNegativeLiterals becomes a
subset of -XLexicalNegation. In other words, enabling both of those
extensions has the same effect as enabling -XLexicalNegation alone.

- - - - -
667ab69e by leiftw at 2020-07-27T07:07:32-04:00
fix typo referring to non-existent `-ohidir` flag, should be `-hidir` I think
- - - - -
6ff89c17 by Vladislav Zavialov at 2020-07-27T07:08:07-04:00
Refactor the parser a little

* Create a dedicated production for type operators
* Create a dedicated type for the UNPACK pragma
* Remove an outdated part of Note [Parsing data constructors is hard]

- - - - -
aa054d32 by Ben Gamari at 2020-07-27T20:09:07-04:00
Drop 32-bit Windows support

As noted in #18487, we have reached the end of this road.

- - - - -
6da73bbf by Michalis Pardalos at 2020-07-27T20:09:44-04:00
Add minimal test for #12492

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47680cb7 by Michalis Pardalos at 2020-07-27T20:09:44-04:00
Use allocate, not ALLOC_PRIM_P for unpackClosure#

ALLOC_PRIM_P fails for large closures, by directly using allocate
we can handle closures which are larger than the block size.

Fixes #12492

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3d345c96 by Simon Peyton Jones at 2020-07-27T20:10:19-04:00
Eta-expand the Simplifier monad

This patch eta-expands the Simplifier's monad, using the method
explained in GHC.Core.Unify Note [The one-shot state monad trick].
It's part of the exta-expansion programme in #18202.

It's a tiny patch, but is worth a 1-2% reduction in bytes-allocated
by the compiler.  Here's the list, based on the compiler-performance
tests in perf/compiler:

                    Reduction in bytes allocated
   T10858(normal)      -0.7%
   T12425(optasm)      -1.3%
   T13056(optasm)      -1.8%
   T14683(normal)      -1.1%
   T15164(normal)      -1.3%
   T15630(normal)      -1.4%
   T17516(normal)      -2.3%
   T18282(normal)      -1.6%
   T18304(normal)      -0.8%
   T1969(normal)       -0.6%
   T4801(normal)       -0.8%
   T5321FD(normal)     -0.7%
   T5321Fun(normal)    -0.5%
   T5642(normal)       -0.9%
   T6048(optasm)       -1.1%
   T9020(optasm)       -2.7%
   T9233(normal)       -0.7%
   T9675(optasm)       -0.5%
   T9961(normal)       -2.9%
   WWRec(normal)       -1.2%

Metric Decrease:
    T12425
    T9020
    T9961

- - - - -
57aca6bb by Ben Gamari at 2020-07-27T20:10:54-04:00
gitlab-ci: Ensure that Hadrian jobs don't download artifacts

Previously the Hadrian jobs had the default dependencies, meaning that
they would download artifacts from all jobs of earlier stages. This is
unneccessary.

- - - - -
0a815cea by Ben Gamari at 2020-07-27T20:10:54-04:00
gitlab-ci: Bump bootstrap compiler to 8.8.4

Hopefully this will make the Windows jobs a bit more reliable.

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0bd60059 by Simon Peyton Jones at 2020-07-28T02:01:49-04:00
This patch addresses the exponential blow-up in the simplifier.

Specifically:
  #13253 exponential inlining
  #10421 ditto
  #18140 strict constructors
  #18282 another nested-function call case

This patch makes one really significant changes: change the way that
mkDupableCont handles StrictArg.  The details are explained in
GHC.Core.Opt.Simplify Note [Duplicating StrictArg].

Specific changes

* In mkDupableCont, when making auxiliary bindings for the other arguments
  of a call, add extra plumbing so that we don't forget the demand on them.
  Otherwise we haev to wait for another round of strictness analysis. But
  actually all the info is to hand.  This change affects:
  - Make the strictness list in ArgInfo be [Demand] instead of [Bool],
    and rename it to ai_dmds.
  - Add as_dmd to ValArg
  - Simplify.makeTrivial takes a Demand
  - mkDupableContWithDmds takes a [Demand]

There are a number of other small changes

1. For Ids that are used at most once in each branch of a case, make
   the occurrence analyser record the total number of syntactic
   occurrences.  Previously we recorded just OneBranch or
   MultipleBranches.

   I thought this was going to be useful, but I ended up barely
   using it; see Note [Note [Suppress exponential blowup] in
   GHC.Core.Opt.Simplify.Utils

   Actual changes:
     * See the occ_n_br field of OneOcc.
     * postInlineUnconditionally

2. I found a small perf buglet in SetLevels; see the new
   function GHC.Core.Opt.SetLevels.hasFreeJoin

3. Remove the sc_cci field of StrictArg.  I found I could get
   its information from the sc_fun field instead.  Less to get
   wrong!

4. In ArgInfo, arrange that ai_dmds and ai_discs have a simpler
   invariant: they line up with the value arguments beyond ai_args
   This allowed a bit of nice refactoring; see isStrictArgInfo,
   lazyArgcontext, strictArgContext

There is virtually no difference in nofib. (The runtime numbers
are bogus -- I tried a few manually.)

        Program           Size    Allocs   Runtime   Elapsed  TotalMem
--------------------------------------------------------------------------------
            fft          +0.0%     -2.0%    -48.3%    -49.4%      0.0%
     multiplier          +0.0%     -2.2%    -50.3%    -50.9%      0.0%
--------------------------------------------------------------------------------
            Min          -0.4%     -2.2%    -59.2%    -60.4%      0.0%
            Max          +0.0%     +0.1%     +3.3%     +4.9%      0.0%
 Geometric Mean          +0.0%     -0.0%    -33.2%    -34.3%     -0.0%

Test T18282 is an existing example of these deeply-nested strict calls.
We get a big decrease in compile time (-85%) because so much less
inlining takes place.

Metric Decrease:
    T18282

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6ee07b49 by Sylvain Henry at 2020-07-28T02:02:27-04:00
Bignum: add support for negative shifts (fix #18499)

shiftR/shiftL support negative arguments despite Haskell 2010 report
saying otherwise. We explicitly test for negative values which is bad
(it gets in the way of constant folding, etc.). Anyway, for consistency
we fix Bits instancesof Integer/Natural.

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f305bbfd by Peter Trommler at 2020-07-28T02:03:02-04:00
config: Fix Haskell platform constructor w/ params

Fixes #18505

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318bb17c by Oleg Grenrus at 2020-07-28T20:54:13-04:00
Fix typo in haddock

Spotted by `vilpan` on `#haskell`

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39c89862 by Sergei Trofimovich at 2020-07-28T20:54:50-04:00
ghc/mk: don't build gmp packages for BIGNUM_BACKEND=native

Before this change make-based `BIGNUM_BACKEND=native` build was failing as:

```
x86_64-pc-linux-gnu-gcc: error: libraries/ghc-bignum/gmp/objs/*.o: No such file or directory
```

This happens because ghc.mk was pulling in gmp-dependent
ghc-bignum library unconditionally. The change avoid building
ghc-bignum.

Bug: https://gitlab.haskell.org/ghc/ghc/-/issues/18437
Signed-off-by: Sergei Trofimovich <slyfox at gentoo.org>

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b9a880fc by Felix Wiemuth at 2020-07-29T15:06:35-04:00
Fix typo
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c59064b0 by Brandon Chinn at 2020-07-29T15:07:11-04:00
Add regression test for #16341

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a61411ca by Brandon Chinn at 2020-07-29T15:07:11-04:00
Pass dit_rep_tc_args to dsm_stock_gen_fn

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a26498da by Brandon Chinn at 2020-07-29T15:07:11-04:00
Pass tc_args to gen_fn

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44b11bad by Brandon Chinn at 2020-07-29T15:07:11-04:00
Filter out unreachable constructors when deriving stock instances (#16431)

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bbc51916 by Simon Peyton Jones at 2020-07-29T15:07:47-04:00
Kill off sc_mult and as_mult fields

They are readily derivable from other fields, so this is more
efficient, and less error prone.

Fixes #18494

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e3db4b4c by Peter Trommler at 2020-07-29T15:08:22-04:00
configure: Fix build system on ARM

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96c31ea1 by Sylvain Henry at 2020-07-29T15:09:02-04:00
Fix bug in Natural multiplication (fix #18509)

A bug was lingering in Natural multiplication (inverting two limbs)
despite QuickCheck tests used during the development leading to wrong
results (independently of the selected backend).

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e1dc3d7b by Krzysztof Gogolewski at 2020-07-29T15:09:39-04:00
Fix validation errors (#18510)

Test T2632 is a stage1 test that failed because of the Q => Quote change.

The remaining tests did not use quotation and failed when the path
contained a space.

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6c68a842 by John Ericson at 2020-07-30T07:11:02-04:00
For `-fkeep-going` do not duplicate dependency edge code

We now compute the deps for `-fkeep-going` the same way that the
original graph calculates them, so the edges are correct. Upsweep really
ought to take the graph rather than a topological sort so we are never
recalculating anything, but at least things are recaluclated
consistently now.

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502de556 by cgibbard at 2020-07-30T07:11:02-04:00
Add haddock comment for unfilteredEdges
and move the note about drop_hs_boot_nodes into it.
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01c948eb by Ryan Scott at 2020-07-30T07:11:37-04:00
Clean up the inferred type variable restriction

This patch primarily:

* Documents `checkInferredVars` (previously called
  `check_inferred_vars`) more carefully. This is the
  function which throws an error message if a user quantifies an
  inferred type variable in a place where specificity cannot be
  observed. See `Note [Unobservably inferred type variables]` in
  `GHC.Rename.HsType`.

  Note that I now invoke `checkInferredVars` _alongside_
  `rnHsSigType`, `rnHsWcSigType`, etc. rather than doing so _inside_
  of these functions. This results in slightly more call sites for
  `checkInferredVars`, but it makes it much easier to enumerate the
  spots where the inferred type variable restriction comes into
  effect.
* Removes the inferred type variable restriction for default method
  type signatures, per the discussion in #18432. As a result, this
  patch fixes #18432.

Along the way, I performed some various cleanup:

* I moved `no_nested_foralls_contexts_err` into `GHC.Rename.Utils`
  (under the new name `noNestedForallsContextsErr`), since it now
  needs to be invoked from multiple modules. I also added a helper
  function `addNoNestedForallsContextsErr` that throws the error
  message after producing it, as this is a common idiom.
* In order to ensure that users cannot sneak inferred type variables
  into `SPECIALISE instance` pragmas by way of nested `forall`s, I
  now invoke `addNoNestedForallsContextsErr` when renaming
  `SPECIALISE instance` pragmas, much like when we rename normal
  instance declarations. (This probably should have originally been
  done as a part of the fix for #18240, but this task was somehow
  overlooked.) As a result, this patch fixes #18455 as a side effect.

- - - - -
d47324ce by Ryan Scott at 2020-07-30T07:12:16-04:00
Don't mark closed type family equations as occurrences

Previously, `rnFamInstEqn` would mark the name of the type/data
family used in an equation as an occurrence, regardless of what sort
of family it is. Most of the time, this is the correct thing to do.
The exception is closed type families, whose equations constitute its
definition and therefore should not be marked as occurrences.
Overzealously counting the equations of a closed type family as
occurrences can cause certain warnings to not be emitted, as observed
in #18470.  See `Note [Type family equations and occurrences]` in
`GHC.Rename.Module` for the full story.

This fixes #18470 with a little bit of extra-casing in
`rnFamInstEqn`. To accomplish this, I added an extra
`ClosedTyFamInfo` field to the `NonAssocTyFamEqn` constructor of
`AssocTyFamInfo` and refactored the relevant call sites accordingly
so that this information is propagated to `rnFamInstEqn`.

While I was in town, I moved `wrongTyFamName`, which checks that the
name of a closed type family matches the name in an equation for that
family, from the renamer to the typechecker to avoid the need for an
`ASSERT`. As an added bonus, this lets us simplify the details of
`ClosedTyFamInfo` a bit.

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ebe2cf45 by Simon Peyton Jones at 2020-07-30T07:12:52-04:00
Remove an incorrect WARN in extendLocalRdrEnv

I noticed this warning going off, and discovered that it's
really fine.  This small patch removes the warning, and docments
what is going on.

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9f71f697 by Simon Peyton Jones at 2020-07-30T07:13:27-04:00
Add two bangs to improve perf of flattening

This tiny patch improves the compile time of flatten-heavy
programs by 1-2%, by adding two bangs.

Addresses (somewhat) #18502

This reduces allocation by
   T9872b   -1.1%
   T9872d   -3.3%

   T5321Fun -0.2%
   T5631    -0.2%
   T5837    +0.1%
   T6048    +0.1%

Metric Decrease:
    T9872b
    T9872d

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7c274cd5 by Sylvain Henry at 2020-07-30T22:54:48-04:00
Fix minimal imports dump for boot files (fix #18497)

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175cb5b4 by Sylvain Henry at 2020-07-30T22:55:25-04:00
DynFlags: don't use sdocWithDynFlags in datacon ppr

We don't need to use `sdocWithDynFlags` to know whether we should
display linear types for datacon types, we already have
`sdocLinearTypes` field in `SDocContext`.  Moreover we want to remove
`sdocWithDynFlags` (#10143, #17957)).

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380638a3 by Sylvain Henry at 2020-07-30T22:56:03-04:00
Bignum: fix powMod for gmp backend (#18515)

Also reenable integerPowMod test which had never been reenabled by
mistake.

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56a7c193 by Sylvain Henry at 2020-07-31T19:32:09+02:00
Refactor CLabel pretty-printing

Pretty-printing CLabel relies on sdocWithDynFlags that we want to remove
(#10143, #17957). It uses it to query the backend and the platform.

This patch exposes Clabel ppr functions specialised for each backend so
that backend code can directly use them.

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3b15dc3c by Sylvain Henry at 2020-07-31T19:32:09+02:00
DynFlags: don't use sdocWithDynFlags in GHC.CmmToAsm.Dwarf.Types

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e30fed6c by Vladislav Zavialov at 2020-08-01T04:23:04-04:00
Test case for #17652

The issue was fixed by 19e80b9af252eee760dc047765a9930ef00067ec

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22641742 by Ryan Scott at 2020-08-02T16:44:11-04:00
Remove ConDeclGADTPrefixPs

This removes the `ConDeclGADTPrefixPs` per the discussion in #18517.
Most of this patch simply removes code, although the code in the
`rnConDecl` case for `ConDeclGADTPrefixPs` had to be moved around a
bit:

* The nested `forall`s check now lives in the `rnConDecl` case for
  `ConDeclGADT`.
* The `LinearTypes`-specific code that used to live in the
  `rnConDecl` case for `ConDeclGADTPrefixPs` now lives in
  `GHC.Parser.PostProcess.mkGadtDecl`, which is now monadic so that
  it can check if `-XLinearTypes` is enabled.

Fixes #18157.

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f2d1accf by Leon Schoorl at 2020-08-02T16:44:47-04:00
Fix GHC_STAGE definition generated by make

Fixes #18070

GHC_STAGE is the stage of the compiler we're building, it should be 1,2(,3?).
But make was generating 0 and 1.

Hadrian does this correctly using a similar `+ 1`:
https://gitlab.haskell.org/ghc/ghc/-/blob/eb8115a8c4cbc842b66798480fefc7ab64d31931/hadrian/src/Rules/Generate.hs#L245

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947206f4 by Niklas Hambüchen at 2020-08-03T07:52:33+02:00
hadrian: Fix running stage0/bin/ghc with wrong package DB. Fixes #17468.

In the invocation of `cabal configure`, `--ghc-pkg-option=--global-package-db`
was already given correctly to tell `stage0/bin/ghc-pkg` that it should use
the package DB in `stage1/`.

However, `ghc` needs to be given this information as well, not only `ghc-pkg`!
Until now that was not the case; the package DB in `stage0` was given to
`ghc` instead.
This was wrong, because there is no binary compatibility guarantee that says
that the `stage0` DB's `package.cache` (which is written by the
stage0 == system-provided ghc-pkg) can be deserialised by the `ghc-pkg`
from the source code tree.

As a result, when trying to add fields to `InstalledPackageInfo` that get
serialised into / deserialised from the `package.cache`, errors like

    _build/stage0/lib/package.conf.d/package.cache: GHC.PackageDb.readPackageDb: inappropriate type (Not a valid Unicode code point!)

would appear. This was because the `stage0/bin/ghc would try to
deserialise the newly added fields from
`_build/stage0/lib/package.conf.d/package.cache`, but they were not in there
because the system `ghc-pkg` doesn't know about them and thus didn't write them
there.
It would try to do that because any GHC by default tries to read the global
package db in `../lib/package.conf.d/package.cache`.
For `stage0/bin/ghc` that *can never work* as explained above, so we
must disable this default via `-no-global-package-db` and give it the
correct package DB explicitly.

This is the same problem as #16534, and the same fix as in MR !780
(but in another context; that one was for developers trying out the
`stage0/bin/ghc` == `_build/ghc-stage1` interactively, while this fix
is for a `cabal configure` invocation).

I also noticed that the fix for #16534 forgot to pass `-no-global-package-db`,
and have fixed that in this commit as well.
It only worked until now because nobody tried to add a new ghc-pkg `.conf`
field since the introduction of Hadrian.

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ef2ae81a by Alex Biehl at 2020-08-03T07:52:33+02:00
Hardcode RTS includes to cope with unregistered builds

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d613ed76 by Sylvain Henry at 2020-08-05T03:59:27-04:00
Bignum: add backward compat integer-gmp functions

Also enhance bigNatCheck# and isValidNatural test

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3f2f7718 by Sylvain Henry at 2020-08-05T03:59:27-04:00
Bignum: add more BigNat compat functions in integer-gmp

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5e12cd17 by Krzysztof Gogolewski at 2020-08-05T04:00:04-04:00
Rename Core.Opt.Driver -> Core.Opt.Pipeline

Closes #18504.

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2bff2f87 by Ben Gamari at 2020-08-05T04:00:39-04:00
Revert "iserv: Don't pass --export-dynamic on FreeBSD"

This reverts commit 2290eb02cf95e9cfffcb15fc9c593d5ef79c75d9.

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53ce0db5 by Ben Gamari at 2020-08-05T04:00:39-04:00
Refactor handling of object merging

Previously to merge a set of object files we would invoke the linker as
usual, adding -r to the command-line. However, this can result in
non-sensical command-lines which causes lld to balk (#17962).

To avoid this we introduce a new tool setting into GHC, -pgmlm, which is
the linker which we use to merge object files.

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eb7013c3 by Hécate at 2020-08-05T04:01:15-04:00
Remove all the unnecessary LANGUAGE pragmas

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fbcb886d by Ryan Scott at 2020-08-05T04:01:51-04:00
Make CodeQ and TExpQ levity polymorphic

The patch is quite straightforward. The only tricky part is that
`Language.Haskell.TH.Lib.Internal` now must be `Trustworthy` instead
of `Safe` due to the `GHC.Exts` import (in order to import `TYPE`).

Since `CodeQ` has yet to appear in any released version of
`template-haskell`, I didn't bother mentioning the change to `CodeQ`
in the `template-haskell` release notes.

Fixes #18521.

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686e06c5 by Vladislav Zavialov at 2020-08-06T13:34:05-04:00
Grammar for types and data/newtype constructors

Before this patch, we parsed types into a reversed sequence
of operators and operands. For example, (F x y + G a b * X)
would be parsed as [X, *, b, a, G, +, y, x, F],
using a simple grammar:

	tyapps
	  : tyapp
	  | tyapps tyapp

	tyapp
	  : atype
	  | PREFIX_AT atype
	  | tyop
	  | unpackedness

Then we used a hand-written state machine to assemble this
 either into a type,        using 'mergeOps',
     or into a constructor, using 'mergeDataCon'.

This is due to a syntactic ambiguity:

	data T1 a =          MkT1 a
	data T2 a = Ord a => MkT2 a

In T1, what follows after the = sign is a data/newtype constructor
declaration. However, in T2, what follows is a type (of kind
Constraint). We don't know which of the two we are parsing until we
encounter =>, and we cannot check for => without unlimited lookahead.

This poses a few issues when it comes to e.g. infix operators:

	data I1 = Int :+ Bool :+ Char          -- bad
	data I2 = Int :+ Bool :+ Char => MkI2  -- fine

By this issue alone we are forced into parsing into an intermediate
representation and doing a separate validation pass.

However, should that intermediate representation be as low-level as a
flat sequence of operators and operands?

Before GHC Proposal #229, the answer was Yes, due to some particularly
nasty corner cases:

	data T = ! A :+ ! B          -- used to be fine, hard to parse
	data T = ! A :+ ! B => MkT   -- bad

However, now the answer is No, as this corner case is gone:

	data T = ! A :+ ! B          -- bad
	data T = ! A :+ ! B => MkT   -- bad

This means we can write a proper grammar for types, overloading it in
the DisambECP style, see Note [Ambiguous syntactic categories].

With this patch, we introduce a new class, DisambTD. Just like
DisambECP is used to disambiguate between expressions, commands, and patterns,
DisambTD  is used to disambiguate between types and data/newtype constructors.

This way, we get a proper, declarative grammar for constructors and
types:

	infixtype
	  : ftype
	  | ftype tyop infixtype
	  | unpackedness infixtype

	ftype
	  : atype
	  | tyop
	  | ftype tyarg
	  | ftype PREFIX_AT tyarg

	tyarg
	  : atype
	  | unpackedness atype

And having a grammar for types means we are a step closer to using a
single grammar for types and expressions.

- - - - -
6770e199 by Vladislav Zavialov at 2020-08-06T13:34:05-04:00
Clean up the story around runPV/runECP_P/runECP_PV

This patch started as a small documentation change, an attempt to make
Note [Parser-Validator] and Note [Ambiguous syntactic categories]
more clear and up-to-date.

But it turned out that runECP_P/runECP_PV are weakly motivated,
and it's easier to remove them than to find a good rationale/explanation
for their existence.

As the result, there's a bit of refactoring in addition to
a documentation update.

- - - - -
826d07db by Vladislav Zavialov at 2020-08-06T13:34:06-04:00
Fix debug_ppr_ty ForAllTy (#18522)

Before this change, GHC would
pretty-print   forall k. forall a -> ()
          as   forall @k a. ()
which isn't even valid Haskell.

- - - - -
0ddb4384 by Vladislav Zavialov at 2020-08-06T13:34:06-04:00
Fix visible forall in ppr_ty (#18522)

Before this patch, this type:
  T :: forall k -> (k ~ k) => forall j -> k -> j -> Type
was printed incorrectly as:
  T :: forall k j -> (k ~ k) => k -> j -> Type

- - - - -
d2a43225 by Richard Eisenberg at 2020-08-06T13:34:06-04:00
Fail eagerly on a lev-poly datacon arg

Close #18534.

See commentary in the patch.

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63348155 by Sylvain Henry at 2020-08-06T13:34:08-04:00
Use a type alias for Ways

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9570c212 by Takenobu Tani at 2020-08-06T19:46:46-04:00
users-guide: Rename 8.12 to 9.0

GHC 8.12.1 has been renamed to GHC 9.0.1.

See also:
  https://mail.haskell.org/pipermail/ghc-devs/2020-July/019083.html

[skip ci]

- - - - -
c403006c by Ben Gamari at 2020-08-06T19:59:05-04:00
Bump Win32 and process submodules

- - - - -


30 changed files:

- .gitlab-ci.yml
- aclocal.m4
- compiler/GHC/Cmm/CLabel.hs
- compiler/GHC/Cmm/Info.hs
- compiler/GHC/Cmm/Info/Build.hs
- compiler/GHC/Cmm/Pipeline.hs
- compiler/GHC/Cmm/ProcPoint.hs
- compiler/GHC/CmmToAsm.hs
- compiler/GHC/CmmToAsm/Dwarf/Types.hs
- compiler/GHC/CmmToAsm/PIC.hs
- compiler/GHC/CmmToLlvm/Base.hs
- compiler/GHC/Core/Coercion.hs
- compiler/GHC/Core/DataCon.hs
- compiler/GHC/Core/Opt/OccurAnal.hs
- compiler/GHC/Core/Opt/Driver.hs → compiler/GHC/Core/Opt/Pipeline.hs
- compiler/GHC/Core/Opt/SetLevels.hs
- compiler/GHC/Core/Opt/Simplify.hs
- compiler/GHC/Core/Opt/Simplify/Monad.hs
- compiler/GHC/Core/Opt/Simplify/Utils.hs
- compiler/GHC/Core/Ppr/TyThing.hs
- compiler/GHC/Core/SimpleOpt.hs
- compiler/GHC/Core/TyCo/Ppr.hs
- compiler/GHC/Driver/CodeOutput.hs
- compiler/GHC/Driver/Main.hs
- compiler/GHC/Driver/Make.hs
- compiler/GHC/Driver/Pipeline.hs
- compiler/GHC/Driver/Session.hs
- compiler/GHC/Hs/Decls.hs
- compiler/GHC/Hs/Instances.hs
- compiler/GHC/Hs/Type.hs


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/f314afd7006118885ea7c7d1991f89812f67e3e3...c403006c13f161881e50ccbb9c6761fcbfc4ce03

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/f314afd7006118885ea7c7d1991f89812f67e3e3...c403006c13f161881e50ccbb9c6761fcbfc4ce03
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