- 01 Jun, 2016 9 commits
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Keith Randall authored
If memory might be unaligned, zero it one byte at a time instead of 4 bytes at a time. Fixes #15902 Change-Id: I4eff0840e042e2f137c1a4028f08793eb7dfd703 Reviewed-on: https://go-review.googlesource.com/23587 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Minux Ma <minux@golang.org>
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David du Colombier authored
Since CL 23620, TestAssembly is failing on Plan 9. In CL 23620, the process environment is passed to 'go tool compile' after setting GOARCH. On Plan 9, if GOARCH is already set in the process environment, it would take precedence. On Unix, it works as expected because the first GOARCH found takes precedence. This change uses the mergeEnvLists function from cmd/go/main.go to merge the two environment lists such that variables with the same name in "in" replace those in "out". Change-Id: Idee22058343932ee18666dda331c562c89c33507 Reviewed-on: https://go-review.googlesource.com/23593Reviewed-by:
Ian Lance Taylor <iant@golang.org> Run-TryBot: David du Colombier <0intro@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Dan Peterson authored
Implementation changed in https://golang.org/cl/23612. Updates #15810 Change-Id: I8fff9e3aa3e54162546bb9ec1cc2ebba2b6d9fed Reviewed-on: https://go-review.googlesource.com/23614Reviewed-by:
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Marcel van Lohuizen authored
Change-Id: I4d19e3221d3789d4c460b421b2d1484253778068 Reviewed-on: https://go-review.googlesource.com/23429Reviewed-by:
Robert Griesemer <gri@golang.org> Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
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Alexander Morozov authored
For symmetry with Cloneflags and it looks slightly weird because there is syscall.Unshare method. Change-Id: I3d710177ca8f27c05b344407f212cbbe3435094b Reviewed-on: https://go-review.googlesource.com/23612Reviewed-by:
Rob Pike <r@golang.org>
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Michael Hudson-Doyle authored
In particular, this stops the test failing when GOROOT and GOROOT_FINAL are different. Change-Id: Ibf6cc0a173f1d965ee8aa31eee2698b223f1ceec Reviewed-on: https://go-review.googlesource.com/23620 Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Kenny Grant authored
Change-Id: I41310ec88c889fda79d80eaf4a742a1000284f60 Reviewed-on: https://go-review.googlesource.com/23591Reviewed-by:
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Robert Griesemer authored
This fixes `go test go/types`. https://golang.org/cl/23487/ introduced this code which contains two unused variables (declared and assigned to, but never read). cmd/compile doesn't report the error due open issue #8560 (the variables are assigned to in a closure), but go/types does. The build bot only runs go/types tests in -short mode (which doesn't typecheck the std lib), hence this doesn't show up on the dashboard either. We cannot call b.Fatal and friends in the goroutine. Communicating the error to the invoking function requires a channel or a mutex. Unless the channel/sycnhronized variable is tested in each iteration that follows, the iteration blocks if there's a failure. Testing in each iteration may affect benchmark times. One could use a time-out but that time depends on the underlying system. Panicking seems good enough in this unlikely case; better than hanging or affecting benchmark times. Change-Id: Idce1172da8058e580fa3b3e398825b0eb4316325 Reviewed-on: https://go-review.googlesource.com/23528Reviewed-by:
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Keith Randall authored
Test all the weird shifts, like int8 shifted right by uint16. Increases coverage for shift lowerings in AMD64.rules. Change-Id: I066fe6ad6bfc05253a8d6a2ee17ff244d3a7652e Reviewed-on: https://go-review.googlesource.com/23585 Run-TryBot: Todd Neal <todd@tneal.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Todd Neal <todd@tneal.org>
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- 31 May, 2016 18 commits
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Robert Griesemer authored
Both compilers and also go/types don't permit duplicate types in type switches; i.e., this spec change is documenting a status quo that has existed for some time. Furthermore, duplicate nils are not accepted by gccgo or go/types; and more recently started causing a compiler error in gc. Permitting them is inconsistent with the existing status quo. Rather than making it an implementation restriction (as we have for expression switches), this is a hard requirement since it was enforced from the beginning (except for duplicate nils); it is also a well specified requirement that does not pose a significant burden for an implementation. Fixes #15896. Change-Id: If12db5bafa87598b323ea84418cb05421e657dd8 Reviewed-on: https://go-review.googlesource.com/23584Reviewed-by:
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Ian Lance Taylor authored
Implemented by using a reflect-based approach to recognize the zero value of any non-interface type that implements flag.Value. Interface types will fall back to the old code. Fixes #15904. Change-Id: I594c3bfb30e9ab1aca3e008ef7f70be20aa41a0b Reviewed-on: https://go-review.googlesource.com/23581 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Josh Bleecher Snyder authored
Some of these errors are reported in the wrong places. That’s issue #15911 and #15912. Change-Id: Ia09d7f89be4d15f05217a542a61b6ac08090dd87 Reviewed-on: https://go-review.googlesource.com/23588 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Michael Hudson-Doyle authored
This fixes handling of cgo flags and makes sure packages that are only implicitly included in the shared library are passed to the link. Fixes #15885 Change-Id: I1e8a72b5314261973ca903c78834700fb113dde9 Reviewed-on: https://go-review.googlesource.com/23537Reviewed-by:
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Ian Lance Taylor authored
Fixes #15856. Change-Id: Ia8def161642087e4bd92a87298c77a0f9f83dc86 Reviewed-on: https://go-review.googlesource.com/23586 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by:
Elias Naur <elias.naur@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Austin Clements <austin@google.com>
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Ian Lance Taylor authored
When doing a backtrace from a signal that occurs in C code compiled without using -fasynchronous-unwind-tables, we have to rely on frame pointers. In order to do that, the traceback function needs the signal context to reliably pick up the frame pointer. Change-Id: I7b45930fced01685c337d108e0f146057928f876 Reviewed-on: https://go-review.googlesource.com/23494 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by:
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Joe Tsai authored
Change-Id: I5e8dad0c2534b5c3654cf0a0b51a38186d627a3c Reviewed-on: https://go-review.googlesource.com/23582Reviewed-by:
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Ian Lance Taylor authored
The code has moved from code.google.com to github.com. Change-Id: I0cc9eb69b3fedc9e916417bc7695759632f2391f Reviewed-on: https://go-review.googlesource.com/23523 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Michael Hudson-Doyle authored
golang.org/issue/15443 complained that a race-enabled PIE binary crashed at startup, but other ways of linking in tsan (or other sanitizers) such as #cgo CFLAGS: -fsanitize=thread #cgo LDFLAGS: -fsanitize=thread have the same problem. Pass -no-pie to the host linker (if supported) if any -fsanitizer=foo cgo LDFLAG is seen when linking. Fixes #15887 Change-Id: Id799770f8d045f6f40fa8c463563937a5748d1a8 Reviewed-on: https://go-review.googlesource.com/23535 Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Michael Hudson-Doyle authored
Fixes #15900 Change-Id: Ieada5f4e3b3b2ae358414e013f3090b4b820569b Reviewed-on: https://go-review.googlesource.com/23536 Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Ian Lance Taylor authored
Add TSAN acquire/release calls to runtime/cgo to match the ones generated by cgo. This avoids a false positive race around the malloc memory used in runtime/cgo when other goroutines are simultaneously calling malloc and free from cgo. These new calls will only be used when building with CGO_CFLAGS and CGO_LDFLAGS set to -fsanitize=thread, which becomes a requirement to avoid all false positives when using TSAN. These are needed not just for runtime/cgo, but also for any runtime package that uses cgo (such as net and os/user). Add an unused attribute to the _cgo_tsan_acquire and _cgo_tsan_release functions, in case there are no actual cgo function calls. Add a test that checks that setting CGO_CFLAGS/CGO_LDFLAGS avoids a false positive report when using os/user. Change-Id: I0905c644ff7f003b6718aac782393fa219514c48 Reviewed-on: https://go-review.googlesource.com/23492 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Dmitry Vyukov <dvyukov@google.com>
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Josh Bleecher Snyder authored
Fixes #15898. Change-Id: I66e2ad21f283563c7142aa820f0354711d964768 Reviewed-on: https://go-review.googlesource.com/23573 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Joe Tsai authored
As rendered on https://tip.golang.org/pkg/compress/flate/, there is an extra new-line because of the unexported constants in the same block. <<< const ( NoCompression = 0 BestSpeed = 1 BestCompression = 9 DefaultCompression = -1 HuffmanOnly = -2 // Disables match search and only does Huffman entropy reduction. ) >>> Instead, seperate the exported compression level constants into its own const block. This is both more readable and also fixes the issue. Change-Id: I60b7966c83fb53356c02e4640d05f55a3bee35b7 Reviewed-on: https://go-review.googlesource.com/23557Reviewed-by:
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Ian Lance Taylor authored
In order to support pprof for position independent executables, pprof needs to adjust the PC addresses stored in the profile by the address at which the program is loaded. The legacy profiling support which we use already supports recording the GNU/Linux /proc/self/maps data immediately after the CPU samples, so do that. Also change the pprof symbolizer to use the information, if available, when looking up addresses in the Go pcline data. Fixes #15714. Change-Id: I4bf679210ef7c51d85cf873c968ce82db8898e3e Reviewed-on: https://go-review.googlesource.com/23525Reviewed-by:
Michael Hudson-Doyle <michael.hudson@canonical.com>
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Andrew Gerrand authored
The Windows builders run the throughput benchmarks really slowly with a 64kb buffer. Lowering it to 16kb brings the performance back into line with the other builders. This is a work-around to get the build green until we can figure out why the Windows builders are slow with the larger buffer size. Update #15899 Change-Id: I215ebf115e8295295c87f3b3e22a4ef1f9e77f81 Reviewed-on: https://go-review.googlesource.com/23574Reviewed-by:
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Richard Miller authored
This is a correction to CL 22610. The gbit16 function is called in StartProcess between fork and exec, and therefore must not split the stack. Normally it's inlined so this is not an issue, but on one occasion I've observed it to be compiled without inlining, and the result was a panic. Mark it go:nosplit to be safe. Change-Id: I0381754397b766431bf406d9767c73598d23b901 Reviewed-on: https://go-review.googlesource.com/23560Reviewed-by:
David du Colombier <0intro@gmail.com> Run-TryBot: David du Colombier <0intro@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Andrew Gerrand authored
Fixes #15418 Change-Id: Ibc51d602eb28819d0e44e5ca13a5c61573e4111c Reviewed-on: https://go-review.googlesource.com/23570Reviewed-by:
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Josh Bleecher Snyder authored
This is a minimal fix to prevent this and other possible future infinite recursion. We can put in a proper fix for UNC in Go 1.8. Updates #15879 Change-Id: I3653cf5891bab8511adf66fa3c1a1d8912d1a293 Reviewed-on: https://go-review.googlesource.com/23572 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Andrew Gerrand <adg@golang.org>
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- 30 May, 2016 3 commits
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Andrew Gerrand authored
Updates #15810 Change-Id: I37f14a0ed1f5ac24ea2169a7e65c0469bfddd928 Reviewed-on: https://go-review.googlesource.com/23559Reviewed-by:
Michael McGreevy <mcgreevy@golang.org> Reviewed-by:
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Mikio Hara authored
forceCloseSockets is just designed as a kingston valve for TestMain function and is not suitable to keep track of inflight sockets. Fixes #15525. Change-Id: Id967fe5b8da99bb08b699cc45e07bbc3dfc3ae3d Reviewed-on: https://go-review.googlesource.com/23505Reviewed-by:
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Augusto Roman authored
The original draft mentioned support for json.Marshaler, but that's not the case. JSON supports only string keys (not arbitrary JSON) so only encoding.TextMarshaller is supported. Change-Id: I7788fc23ac357da88e92aa0ca17b513260840cee Reviewed-on: https://go-review.googlesource.com/23529Reviewed-by:
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- 29 May, 2016 4 commits
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Keith Randall authored
Add a bunch of tests for shifts. Fix triple-shift rules to always take constant shifts as 64 bits. (Earlier rules always promote shift amounts to 64 bits.) Add overflow checks. Increases generic rule coverage to 91% Change-Id: I6b42d368d19d36ac482dbb8e0d4f67e30ad7145d Reviewed-on: https://go-review.googlesource.com/23555Reviewed-by:
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Keith Randall authored
Increases generic.rules coverage from 91% to 95%. Change-Id: I981eb94f3cd10d2f87c836576a43786787a25d83 Reviewed-on: https://go-review.googlesource.com/23556 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Joe Tsai authored
The documentation previously used C style enumerations: 0, 1, 2. While this is pretty much universally correct, it does not help a user become aware of the existence of the SeekStart, SeekCurrent, and SeekEnd constants. Thus, we should use them in the documentation to direct people's attention to them. Updates #6885 Change-Id: I44b5e78d41601c68a0a1c96428c853df53981d52 Reviewed-on: https://go-review.googlesource.com/23551Reviewed-by:
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Joe Tsai authored
Document the following: * That the algorithmic changes are still compliant with RFC 1951. I remember people having questions regarding this issue, and it would be good to re-assure them that it is still standards compliant. * io.EOF can now be returned early (c27efce6) * Use the term "decompress" when referred to as an action. The term "uncompressed" or "decompressed" are both valid as ways to represent the current state of the data. Change-Id: Ie29ebce709357359e7c36d3e7f3d53b260eaadfa Reviewed-on: https://go-review.googlesource.com/23552Reviewed-by:
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- 28 May, 2016 1 commit
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Emmanuel Odeke authored
Fixes #15868 Change-Id: I4e4471e77091309c4ea1d546b2c4f20dfbb4314e Reviewed-on: https://go-review.googlesource.com/23550Reviewed-by:
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- 27 May, 2016 5 commits
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Robert Griesemer authored
Also: Added some test cases for issue #10709. No impact when debugging output is disabled (default). For #10709. Change-Id: I0751befb222c86d46225377a674f6bad2990349e Reviewed-on: https://go-review.googlesource.com/23442Reviewed-by:
Alan Donovan <adonovan@google.com>
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Ilya Tocar authored
Fixes #15689 Change-Id: I56d0103738cc35cd5bc5e77a0e0341c0dd55530e Reviewed-on: https://go-review.googlesource.com/23440Reviewed-by:
Nigel Tao <nigeltao@golang.org>
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Keith Randall authored
When we do *p = f(), we might need to copy the return value from f to p with a write barrier. The write barrier itself is a call, so we need to copy the return value of f to a temporary location before we call the write barrier function. Otherwise, the call itself (specifically, marshalling the args to typedmemmove) will clobber the value we're trying to write. Fixes #15854 Change-Id: I5703da87634d91a9884e3ec098d7b3af713462e7 Reviewed-on: https://go-review.googlesource.com/23522Reviewed-by:
David Chase <drchase@google.com> Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Russ Cox authored
For #15840. Change-Id: I2ecf5c7b00afc2034cf3d7a1fd78636a908beb67 Reviewed-on: https://go-review.googlesource.com/23517 Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by:
Russ Cox <rsc@golang.org>
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Austin Clements authored
Commit fa3543e3 introduced formatting errors. Change-Id: I4b921f391a9b463cefca4318ad63b70ae6ce6865 Reviewed-on: https://go-review.googlesource.com/23514Reviewed-by:
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