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* Enable new warning for fragile/incorrect CPP #if usageErik de Castro Lopo2017-04-281-1/+1
| | | | | | | | | | | | | | | | The C code in the RTS now gets built with `-Wundef` and the Haskell code (stages 1 and 2 only) with `-Wcpp-undef`. We now get warnings whereever `#if` is used on undefined identifiers. Test Plan: Validate on Linux and Windows Reviewers: austin, angerman, simonmar, bgamari, Phyx Reviewed By: bgamari Subscribers: thomie, snowleopard Differential Revision: https://phabricator.haskell.org/D3278
* nativeGen: Use SSE2 SQRT instructionBen Gamari2017-04-281-0/+5
| | | | | | | | | | Reviewers: austin, dfeuer Subscribers: dfeuer, rwbarton, thomie GHC Trac Issues: #13629 Differential Revision: https://phabricator.haskell.org/D3508
* Bump process to 1.6Ben Gamari2017-04-271-0/+0
| | | | Also bumps Cabal submodule due to version bound bump.
* Update Cabal submodule, with necessary wibbles.Edward Z. Yang2017-04-262-11/+6
| | | | | | | | | | | | Test Plan: validate Reviewers: bgamari, austin Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3501
* Add instances for Data.Ord.DownAdam Sandberg Eriksson2017-04-256-3/+43
| | | | | | | | | | | | | | | Namely `Num`, `Functor`, `Applicative`, `Monad`, `Semigroup` and `Monoid` for `Data.Ord.Down` (#13097). Reviewers: austin, hvr, bgamari, RyanGlScott Reviewed By: bgamari, RyanGlScott Subscribers: RyanGlScott, rwbarton, thomie GHC Trac Issues: #13097 Differential Revision: https://phabricator.haskell.org/D3500
* cpp: Use #pragma once instead of #ifndef guardsBen Gamari2017-04-237-32/+8
| | | | | | | | | | | | | | This both says what we mean and silences a bunch of spurious CPP linting warnings. This pragma is supported by all CPP implementations which we support. Reviewers: austin, erikd, simonmar, hvr Reviewed By: simonmar Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3482
* Fix compilation for !HAVE_FLOCKHerbert Valerio Riedel2017-04-231-0/+4
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* skip T13525 when running on Windows.Tamar Christina2017-04-231-1/+1
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* Bump time submoduleBen Gamari2017-04-211-0/+0
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* Bump filepath submoduleBen Gamari2017-04-211-0/+0
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* Bump deepseeq submoduleBen Gamari2017-04-211-0/+0
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* base: update comment to match the change from e134af01Andrzej Rybczak2017-04-211-3/+2
| | | | | | | | | | Reviewers: austin, hvr, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3484
* Sync up terminfo submodule to 0.4.1.0 release tagHerbert Valerio Riedel2017-04-221-0/+0
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* Bump haskeline and terminfo submodulesBen Gamari2017-04-211-0/+0
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* base: Fix hWaitForInput with timeout on POSIXBen Gamari2017-04-213-12/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | This was previously broken (#13252) by f46369b8a1bf90a3bdc30f2b566c3a7e03672518, which ported the fdReady function from `select` to `poll` and in so doing dropping support for timeouts. Unfortunately, while `select` tells us the amount of time not slept (on Linux anyways; it turns out this is implementation dependent), `poll` does not give us this luxury. Consequently, we manually need to track time slept in this case. Unfortunately, portably measuring time is hard. Ideally we would use `clock_gettime` with the monotonic clock here, but sadly this isn't supported on most versions of Darwin. Consequently, we instead use `gettimeofday`, running the risk of system time changes messing us up. Test Plan: Validate Reviewers: simonmar, austin, hvr Reviewed By: simonmar Subscribers: rwbarton, thomie GHC Trac Issues: #13252 Differential Revision: https://phabricator.haskell.org/D3473
* base: Fix offset initialization of Windows hLock implementationBen Gamari2017-04-211-3/+2
| | | | | | | | | | | | | | | The previous implementation swapped the buffer size with the byte to be set, essentially resulting in an uninitialized buffer. Test Plan: Validate on Windows Reviewers: austin, hvr Subscribers: rwbarton, thomie GHC Trac Issues: #13599 Differential Revision: https://phabricator.haskell.org/D3478
* Sync up haskeline submodule to 0.7.4.0 release tagHerbert Valerio Riedel2017-04-211-0/+0
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* Update xhtml submodule to potential 3000.2.2 release commitHerbert Valerio Riedel2017-04-181-0/+0
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* Fix space leak in sortByGregory2017-04-171-3/+6
| | | | | | | | | | | This makes yields a small improvement in sort performance: around 3.5% in runtime on random Ints. Reviewers: austin, hvr, mpickering Subscribers: siddhanathan, rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3454
* base: Track timer PSQ timeouts as Word64 instead of DoubleBen Gamari2017-04-177-24/+33
| | | | | | | | | | Test Plan: Validate on all the platforms Reviewers: nh2, hvr, austin Subscribers: Phyx, nh2, rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3417
* Fix typo in ReadP (succeds -> succeeds)Chris Martin2017-04-121-1/+1
| | | | | | | | | | Reviewers: austin, hvr, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3452
* base: Implement bit casts between word and float typesErik de Castro Lopo2017-04-122-1/+159
| | | | | | | | | | | | | Test Plan: Test on x86 and x86_64 Reviewers: duncan, trofi, simonmar, tibbe, hvr, austin, rwbarton, bgamari Reviewed By: duncan Subscribers: Phyx, DemiMarie, rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3358
* base: Fix erroneous reference to Data.Reflection in documentationBen Gamari2017-04-101-1/+1
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* Improve `readChan` documentation:Ömer Sinan Ağacan2017-04-101-1/+7
| | | | | | | | | | | | | | | | | - Mention that the read end is an `MVar`, so fairness guarantees are inherited. - Mention that it can throw `BlockedIndefinitelyOnMVar` exception. Reviewers: austin, hvr, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #5466 Differential Revision: https://phabricator.haskell.org/D3439
* base: Run num009 with -msse2 on i386Ben Gamari2017-04-061-1/+7
| | | | | | x87's transcendental instructions are terribly imprecise and fail this test. Moreover, we really ouch to enable -mse2 on i386 by default as it is nearly universally supported at this point. See #13540.
* Revert "Enable new warning for fragile/incorrect CPP #if usage"Ben Gamari2017-04-051-1/+1
| | | | | | | | This is causing too much platform dependent breakage at the moment. We will need a more rigorous testing strategy before this can be merged again. This reverts commit 7e340c2bbf4a56959bd1e95cdd1cfdb2b7e537c2.
* test for HAVE_CLOCK_GETTIME definednessGabor Greif2017-04-051-1/+1
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* Typos in comments [ci skip]Gabor Greif2017-04-051-1/+1
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* base: Mark unfold as deprecatedBen Gamari2017-04-042-0/+5
| | | | | | | | | | | | Test Plan: Read it Reviewers: austin, hvr, RyanGlScott Reviewed By: RyanGlScott Subscribers: rwbarton, thomie, ekmett Differential Revision: https://phabricator.haskell.org/D3422
* Add Alternative instance for ZipList (fix #13520).Edvard Hübinette2017-04-042-1/+11
| | | | | | | | | | Reviewers: austin, hvr, bgamari, RyanGlScott Reviewed By: RyanGlScott Subscribers: adamse, RyanGlScott, rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3416
* base: Add test for #8684Ben Gamari2017-04-042-0/+17
| | | | | | | | Reviewers: austin, hvr Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3420
* base: Add test for #13525Ben Gamari2017-04-042-0/+8
| | | | | | | | Reviewers: austin, hvr Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3419
* Enable new warning for fragile/incorrect CPP #if usageErik de Castro Lopo2017-04-051-1/+1
| | | | | | | | | | | | | | | | The C code in the RTS now gets built with `-Wundef` and the Haskell code (stages 1 and 2 only) with `-Wcpp-undef`. We now get warnings whereever `#if` is used on undefined identifiers. Test Plan: Validate on Linux and Windows Reviewers: austin, angerman, simonmar, bgamari, Phyx Reviewed By: bgamari Subscribers: thomie, snowleopard Differential Revision: https://phabricator.haskell.org/D3278
* compact: Clarify mutability restrictionBen Gamari2017-04-031-9/+11
| | | | | | | | | | | | | | Fixes #13508. [skip ci] Test Plan: Read it Reviewers: austin Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3407
* Bump Win32 submoduleBen Gamari2017-04-031-0/+0
| | | | Fixes #13514.
* array: Clear up inconsistency in T9220 outputBen Gamari2017-04-021-0/+0
| | | | | | | ghc-8.2 and master disagreed on the order of the instances. Normalise this difference away. Updates array submodule.
* Update containers submodule to official 0.5.10.2David Feuer2017-04-021-0/+0
| | | | | | | | | | Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3406
* Report heap overflow in the same way as stack overflowSimon Marlow2017-04-023-7/+11
| | | | | | | | | | | | | | | | | | | | | | | Now that we throw an exception for heap overflow, we should only print the heap overflow message in the main thread when the HeapOverflow exception is caught, rather than as a side effect in the GC. Stack overflows were already done this way, I just made heap overflow consistent with stack overflow, and did some related cleanup. Fixes broken T2592(profasm) which was reporting the heap overflow message twice (you would only notice when building with profiling libs enabled). Test Plan: validate Reviewers: bgamari, niteria, austin, DemiMarie, hvr, erikd Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3394
* base: Check for path separators chars in openTempFile' template stringBen Gamari2017-03-291-2/+6
| | | | This fixes #13489.
* Bump array submoduleBen Gamari2017-03-261-0/+0
| | | | Previous change fix 32-bit systems, but broke 64-bits
* Bump array submoduleBen Gamari2017-03-261-0/+0
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* testsuite: Add 32-bit output for compact_share testBen Gamari2017-03-262-0/+4
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* testsuite: Note x87 terribleness in num009Ben Gamari2017-03-261-1/+5
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* Typos in comments (notes too) [ci skip]Gabor Greif2017-03-241-1/+1
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* Make unsafeInterleaveST less unsafeDavid Feuer2017-03-225-10/+56
| | | | | | | | | | | | | | | | | | | | | | | | * Make `unsafeInterleaveST` use `noDuplicate#` like `unsafeInterleaveIO` does to prevent the suspended action from being run in two threads. * In order to accomplish this without `unsafeCoerce#`, generalize the type of `noDuplicate#`. * Add `unsafeDupableInterleaveST` to get the old behavior. * Document unsafe `ST` functions and clean up some related documentation. Fixes #13457 Reviewers: austin, hvr, bgamari, ekmett Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3370
* Bump unix submoduleBen Gamari2017-03-211-0/+0
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* Fix Windows x86 buildTamar Christina2017-03-201-0/+0
| | | | | | | | | | | | | | | | | | Summary: Fix some `-Werror` failures and work around a bug in the `x86` version of `mingw-w64-crt`'s libraries. The bump in the `win32` submodule is required for this. Test Plan: ./validate Reviewers: austin, bgamari, erikd, simonmar Reviewed By: simonmar Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3362
* GHC.Word: Move Read instances to GHC.ReadErik de Castro Lopo2017-03-173-24/+27
| | | | | | | | | | | | Test Plan: Validate Reviewers: hvr, austin, bgamari Reviewed By: hvr Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3353
* Bump unix submoduleBen Gamari2017-03-151-0/+0
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* Decrease locked region size on Windows to fix ERROR_LOCK_INVALID_RANGEAndrzej Rybczak2017-03-151-4/+4
| | | | | | | | Reviewers: austin, hvr, bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3345
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