- 09 Apr, 2016 4 commits
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Dave Cheney authored
Generated with honnef.co/go/unused There is a large amount of unused code in cmd/internal/obj/s390x but that can wait til the s390x port is merged. There is some unused code in cmd/internal/unvendor/golang.org/x/arch/arm/armasm but that should be addressed upstream and a new revision imported. Change-Id: I252c0f9ea8c5bb1a0b530a374ef13a0a20ea56aa Reviewed-on: https://go-review.googlesource.com/21782Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Dave Cheney <dave@cheney.net>
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Dave Cheney authored
Change-Id: Ie95b0b0d4f724f4769cf2d4f8063cb5019fa9bc9 Reviewed-on: https://go-review.googlesource.com/21781Reviewed-by:
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Dave Cheney authored
bio.BufReader was never used. bio.BufWriter was used to wrap an existing io.Writer, but the bio.Writer returned would not be seekable, so replace all occurences with bufio.Reader instead. Change-Id: I9c6779e35c63178aa4e104c17bb5bb8b52de0359 Reviewed-on: https://go-review.googlesource.com/21722Reviewed-by:
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Dave Cheney authored
This is a pre requesite of CL 21722 and removes a lot of unidiomatic boilerplate in the linker. Change-Id: If7491b88212b2be7b0c8c588e9c196839131f8ad Reviewed-on: https://go-review.googlesource.com/21780 Run-TryBot: Dave Cheney <dave@cheney.net> Reviewed-by:
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- 08 Apr, 2016 15 commits
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Michael Hudson-Doyle authored
Change-Id: I1780899255e22c16d7f8e9947609a1c284d7c42e Reviewed-on: https://go-review.googlesource.com/21690Reviewed-by:
David Crawshaw <crawshaw@golang.org> Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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David Chase authored
Be more careful about inserting instrumentation in racewalk. If the node being instrumented is an OAS, and it has a non- empty Ninit, then append instrumentation to the Ninit list rather than letting it be inserted before the OAS (and the compilation of its init list). This deals with the case that the Ninit list defines a variable used in the RHS of the OAS. Fixes #15091. Change-Id: Iac91696d9104d07f0bf1bd3499bbf56b2e1ef073 Reviewed-on: https://go-review.googlesource.com/21771Reviewed-by:
Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: David Chase <drchase@google.com>
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Dmitry Vyukov authored
This makes traces self-contained and simplifies trace workflow in modern cloud environments where it is simpler to reach a service via HTTP than to obtain the binary. Change-Id: I6ff3ca694dc698270f1e29da37d5efaf4e843a0d Reviewed-on: https://go-review.googlesource.com/21732 Run-TryBot: Dmitry Vyukov <dvyukov@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Hyang-Ah Hana Kim <hyangah@gmail.com>
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Michael Munday authored
The size of the int type in Go on s390x is 8 bytes, not 4. Change-Id: I1a71ce8c9925f3499abb61c1aa4f6fa2d2ec0d7e Reviewed-on: https://go-review.googlesource.com/21760Reviewed-by:
Bill O'Farrell <billotosyr@gmail.com> Reviewed-by:
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Emmanuel Odeke authored
Make package bytes consistent with strings by adding missing function ContainsRune. Fixes #15189 Change-Id: Ie09080b389e55bbe070c57aa3bd134053a805423 Reviewed-on: https://go-review.googlesource.com/21710 Run-TryBot: Rob Pike <r@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Rob Pike <r@golang.org>
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Michael Munday authored
Change-Id: I42ade65a91f3effc03dd663ee449410baa9f8ca8 Reviewed-on: https://go-review.googlesource.com/21740Reviewed-by:
Minux Ma <minux@golang.org> Run-TryBot: Minux Ma <minux@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Brad Fitzpatrick authored
Updates #15158 Change-Id: Icb3788152a7a5a9b0d56ea38da46d770ffdce413 Reviewed-on: https://go-review.googlesource.com/21763 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Matthew Dempsky <mdempsky@google.com>
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Michael Munday authored
Fails for the same reason as ppc64 and mips64 (incomplete optimization). Change-Id: Ieb4d997fc27d4f2b756e63dd7f588abe10c0213a Reviewed-on: https://go-review.googlesource.com/20963Reviewed-by:
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Michael Munday authored
Change-Id: I83bc2b4a00216b069f133113e4ae9ad76c98a708 Reviewed-on: https://go-review.googlesource.com/21741 Run-TryBot: Michael Munday <munday@ca.ibm.com> Reviewed-by:
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Rob Pike authored
This is a proposal. The old name is pretty poor. The new one describes it better and may be easier to remember. It does not start with Read, though I think that inconsistency is worthwhile. Reworded the comment a bit for clarity. Change-Id: Icb4f9c663cc68958e0363d7ff78a0b29cc521f98 Reviewed-on: https://go-review.googlesource.com/21629Reviewed-by:
Andrew Gerrand <adg@golang.org> Reviewed-by:
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Dave Cheney authored
Replace the bidirectional bio.Buf type with a pair of unidirectional buffered seekable Reader and Writers. Change-Id: I86664a06f93c94595dc67c2cbd21356feb6680ef Reviewed-on: https://go-review.googlesource.com/21720Reviewed-by:
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Michael Munday authored
Moves the list of architectures that support shared libraries into a function. Also adds s390x to that list. Change-Id: I99c8a9f6cd4816ce3d53abaabaf8d002e25e6b28 Reviewed-on: https://go-review.googlesource.com/21661Reviewed-by:
Michael Hudson-Doyle <michael.hudson@canonical.com> Run-TryBot: Michael Munday <munday@ca.ibm.com>
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Dave Cheney authored
Export does not need to be exported. Change-Id: I252f0c024732f1d056817cab13e8e3c589b54d13 Reviewed-on: https://go-review.googlesource.com/21721 Run-TryBot: Dave Cheney <dave@cheney.net> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Andrew Gerrand authored
Change-Id: I3276a118ced78f3efd8f1bc5fb8b8fa2fde52496 Reviewed-on: https://go-review.googlesource.com/21704Reviewed-by:
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Emmanuel Odeke authored
Updates #15177 Change-Id: I748f025461f313b5b426821ead695f90d3011a6b Reviewed-on: https://go-review.googlesource.com/21677Reviewed-by:
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- 07 Apr, 2016 21 commits
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Keith Randall authored
Make sure the results of unsigned constant-folded shifts are sign-extended into the AuxInt field. Fixes #15175 Change-Id: I3490d1bc3d9b2e1578ed30964645508577894f58 Reviewed-on: https://go-review.googlesource.com/21586Reviewed-by:
Alexandru Moșoi <alexandru@mosoi.ro> Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Cheng-Lung Sung authored
Fixes #14613 Change-Id: I40d9696db3879549e78373ef17f6c92bd4b3470b Reviewed-on: https://go-review.googlesource.com/21596Reviewed-by:
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Joe Tsai authored
Currently, there is no easy allocation-free way to turn a []byte or string into an io.Reader. Thus, we add a Reset method to bytes.Reader and strings.Reader to allow the reuse of these Readers with another []byte or string. This is consistent with the fact that many standard library io.Readers already support a Reset method of some type: bufio.Reader flate.Reader gzip.Reader zlib.Reader debug/dwarf.LineReader bytes.Buffer crypto/rc4.Cipher Fixes #15033 Change-Id: I456fd1af77af6ef0b4ac6228b058ac1458ff3d19 Reviewed-on: https://go-review.googlesource.com/21386Reviewed-by:
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Michael Munday authored
Change-Id: I51c0a332e3cbdab348564e5dcd27583e75e4b881 Reviewed-on: https://go-review.googlesource.com/20946Reviewed-by:
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David Crawshaw authored
Fixes #15179 Change-Id: I0f70b7ae1682eafaece7f22d8e76f0aa806f3ec9 Reviewed-on: https://go-review.googlesource.com/21589 Run-TryBot: David Crawshaw <crawshaw@golang.org> Reviewed-by:
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David Crawshaw authored
Fixes #15166 Change-Id: I30284e3c0fb2c80b26a2572e2fb249b8018e85f9 Reviewed-on: https://go-review.googlesource.com/21587 Run-TryBot: David Crawshaw <crawshaw@golang.org> Reviewed-by:
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Burcu Dogan authored
Change-Id: Ib4353710a742b1067723c7c6186e8639559668a3 Reviewed-on: https://go-review.googlesource.com/21655Reviewed-by:
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Brad Fitzpatrick authored
Updates #15158 Change-Id: I53e9e68d36efbf52736822e6caa047cfff501283 Reviewed-on: https://go-review.googlesource.com/21653Reviewed-by:
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Aliaksandr Valialkin authored
This improves TLS handshake performance. benchmark old ns/op new ns/op delta BenchmarkGCD10x10/WithoutXY-4 965 968 +0.31% BenchmarkGCD10x10/WithXY-4 1813 1391 -23.28% BenchmarkGCD10x100/WithoutXY-4 1093 1075 -1.65% BenchmarkGCD10x100/WithXY-4 2348 1676 -28.62% BenchmarkGCD10x1000/WithoutXY-4 1569 1565 -0.25% BenchmarkGCD10x1000/WithXY-4 4262 3242 -23.93% BenchmarkGCD10x10000/WithoutXY-4 6069 6066 -0.05% BenchmarkGCD10x10000/WithXY-4 12123 11331 -6.53% BenchmarkGCD10x100000/WithoutXY-4 52664 52610 -0.10% BenchmarkGCD10x100000/WithXY-4 97494 95649 -1.89% BenchmarkGCD100x100/WithoutXY-4 5244 5228 -0.31% BenchmarkGCD100x100/WithXY-4 22572 18630 -17.46% BenchmarkGCD100x1000/WithoutXY-4 6143 6233 +1.47% BenchmarkGCD100x1000/WithXY-4 24652 19357 -21.48% BenchmarkGCD100x10000/WithoutXY-4 15725 15804 +0.50% BenchmarkGCD100x10000/WithXY-4 60552 55973 -7.56% BenchmarkGCD100x100000/WithoutXY-4 107008 107853 +0.79% BenchmarkGCD100x100000/WithXY-4 349597 340994 -2.46% BenchmarkGCD1000x1000/WithoutXY-4 63785 64434 +1.02% BenchmarkGCD1000x1000/WithXY-4 373186 334035 -10.49% BenchmarkGCD1000x10000/WithoutXY-4 78038 78241 +0.26% BenchmarkGCD1000x10000/WithXY-4 543692 507034 -6.74% BenchmarkGCD1000x100000/WithoutXY-4 205607 207727 +1.03% BenchmarkGCD1000x100000/WithXY-4 2488113 2415323 -2.93% BenchmarkGCD10000x10000/WithoutXY-4 1731340 1714992 -0.94% BenchmarkGCD10000x10000/WithXY-4 10601046 7111329 -32.92% BenchmarkGCD10000x100000/WithoutXY-4 2239155 2212173 -1.21% BenchmarkGCD10000x100000/WithXY-4 30097040 26538887 -11.82% BenchmarkGCD100000x100000/WithoutXY-4 119845326 119863916 +0.02% BenchmarkGCD100000x100000/WithXY-4 768006543 426795966 -44.43% benchmark old allocs new allocs delta BenchmarkGCD10x10/WithoutXY-4 5 5 +0.00% BenchmarkGCD10x10/WithXY-4 17 9 -47.06% BenchmarkGCD10x100/WithoutXY-4 6 6 +0.00% BenchmarkGCD10x100/WithXY-4 21 9 -57.14% BenchmarkGCD10x1000/WithoutXY-4 6 6 +0.00% BenchmarkGCD10x1000/WithXY-4 30 12 -60.00% BenchmarkGCD10x10000/WithoutXY-4 6 6 +0.00% BenchmarkGCD10x10000/WithXY-4 26 12 -53.85% BenchmarkGCD10x100000/WithoutXY-4 6 6 +0.00% BenchmarkGCD10x100000/WithXY-4 28 12 -57.14% BenchmarkGCD100x100/WithoutXY-4 5 5 +0.00% BenchmarkGCD100x100/WithXY-4 183 61 -66.67% BenchmarkGCD100x1000/WithoutXY-4 8 8 +0.00% BenchmarkGCD100x1000/WithXY-4 170 47 -72.35% BenchmarkGCD100x10000/WithoutXY-4 8 8 +0.00% BenchmarkGCD100x10000/WithXY-4 200 67 -66.50% BenchmarkGCD100x100000/WithoutXY-4 8 8 +0.00% BenchmarkGCD100x100000/WithXY-4 188 65 -65.43% BenchmarkGCD1000x1000/WithoutXY-4 5 5 +0.00% BenchmarkGCD1000x1000/WithXY-4 2435 1193 -51.01% BenchmarkGCD1000x10000/WithoutXY-4 8 8 +0.00% BenchmarkGCD1000x10000/WithXY-4 2211 1076 -51.33% BenchmarkGCD1000x100000/WithoutXY-4 8 8 +0.00% BenchmarkGCD1000x100000/WithXY-4 2271 1108 -51.21% BenchmarkGCD10000x10000/WithoutXY-4 5 5 +0.00% BenchmarkGCD10000x10000/WithXY-4 23183 11605 -49.94% BenchmarkGCD10000x100000/WithoutXY-4 8 8 +0.00% BenchmarkGCD10000x100000/WithXY-4 23421 11717 -49.97% BenchmarkGCD100000x100000/WithoutXY-4 5 5 +0.00% BenchmarkGCD100000x100000/WithXY-4 232976 116815 -49.86% benchmark old bytes new bytes delta BenchmarkGCD10x10/WithoutXY-4 208 208 +0.00% BenchmarkGCD10x10/WithXY-4 736 432 -41.30% BenchmarkGCD10x100/WithoutXY-4 256 256 +0.00% BenchmarkGCD10x100/WithXY-4 896 432 -51.79% BenchmarkGCD10x1000/WithoutXY-4 368 368 +0.00% BenchmarkGCD10x1000/WithXY-4 1856 1152 -37.93% BenchmarkGCD10x10000/WithoutXY-4 1616 1616 +0.00% BenchmarkGCD10x10000/WithXY-4 7920 7376 -6.87% BenchmarkGCD10x100000/WithoutXY-4 13776 13776 +0.00% BenchmarkGCD10x100000/WithXY-4 68800 68176 -0.91% BenchmarkGCD100x100/WithoutXY-4 208 208 +0.00% BenchmarkGCD100x100/WithXY-4 6960 2112 -69.66% BenchmarkGCD100x1000/WithoutXY-4 544 560 +2.94% BenchmarkGCD100x1000/WithXY-4 7280 2400 -67.03% BenchmarkGCD100x10000/WithoutXY-4 2896 2912 +0.55% BenchmarkGCD100x10000/WithXY-4 15280 10002 -34.54% BenchmarkGCD100x100000/WithoutXY-4 27344 27365 +0.08% BenchmarkGCD100x100000/WithXY-4 88288 83427 -5.51% BenchmarkGCD1000x1000/WithoutXY-4 544 544 +0.00% BenchmarkGCD1000x1000/WithXY-4 178288 40043 -77.54% BenchmarkGCD1000x10000/WithoutXY-4 3344 3136 -6.22% BenchmarkGCD1000x10000/WithXY-4 188720 54432 -71.16% BenchmarkGCD1000x100000/WithoutXY-4 27792 27592 -0.72% BenchmarkGCD1000x100000/WithXY-4 373872 239447 -35.95% BenchmarkGCD10000x10000/WithoutXY-4 4288 4288 +0.00% BenchmarkGCD10000x10000/WithXY-4 11935584 481875 -95.96% BenchmarkGCD10000x100000/WithoutXY-4 31296 28834 -7.87% BenchmarkGCD10000x100000/WithXY-4 13237088 1662620 -87.44% BenchmarkGCD100000x100000/WithoutXY-4 40768 40768 +0.00% BenchmarkGCD100000x100000/WithXY-4 1165518864 14256010 -98.78% Change-Id: I652b3244bd074a03f3bc9a87c282330f9e5f1507 Reviewed-on: https://go-review.googlesource.com/21506Reviewed-by:
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Michael Munday authored
Change-Id: I2aadc885d6330460e494c687757f07c5e006f3b0 Reviewed-on: https://go-review.googlesource.com/20937Reviewed-by:
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Michael Munday authored
Load and store instructions are atomic on s390x. Change-Id: I33c641a75954f4fbd301b11a467cb57872038880 Reviewed-on: https://go-review.googlesource.com/20947Reviewed-by:
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Alan Donovan authored
Fixes #15173 Change-Id: I353756f7bc36db0d2b24d40c80771481b7b18f6b Reviewed-on: https://go-review.googlesource.com/21585Reviewed-by:
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Dave Cheney authored
This broke solaris, which apparently does use the upper 17 bits of the address space. This reverts commit 3b02c5b1. Change-Id: Iedfe54abd0384960845468205f20191a97751c0b Reviewed-on: https://go-review.googlesource.com/21652Reviewed-by:
Dave Cheney <dave@cheney.net>
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Alexandru Moșoi authored
Fold the comparison when the SHR result is small. Useful for: - murmur mix like hashing where higher bits are desirable, i.e. hash = uint32(i * C) >> 18 - integer log2 via DeBruijn sequence: http://graphics.stanford.edu/~seander/bithacks.html#IntegerLogDeBruijn Change-Id: If70ae18cb86f4cc83ab6213f88ced03cc4986156 Reviewed-on: https://go-review.googlesource.com/21514 Run-TryBot: Alexandru Moșoi <alexandru@mosoi.ro> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
David Chase <drchase@google.com>
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Richard Miller authored
The test for profiling of channel blocking is timing dependent, and in particular the blockSelectRecvAsync case can fail on a slow builder (plan9_arm) when many tests are run in parallel. The child goroutine sleeps for a fixed period so the parent can be observed to block in a select call reading from the child; but if the OS process running the parent goroutine is delayed long enough, the child may wake again before the parent has reached the blocking point. By repeating the test three times, the likelihood of a blocking event is increased. Fixes #15096 Change-Id: I2ddb9576a83408d06b51ded682bf8e71e53ce59e Reviewed-on: https://go-review.googlesource.com/21604Reviewed-by:
Dmitry Vyukov <dvyukov@google.com> Run-TryBot: Dmitry Vyukov <dvyukov@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Dave Cheney authored
Merge the remaining lfstack{Pack,Unpack} implemetations into one file. unsafe.Sizeof(uintptr(0)) == 4 is a constant comparison so this branch folds away at compile time. Dmitry confirmed that the upper 17 bits of an address will be zero for a user mode pointer, so there is no need to sign extend on amd64 during unpack, so we can reuse the same implementation as all othe 64 bit archs. Change-Id: I99f589416d8b181ccde5364c9c2e78e4a5efc7f1 Reviewed-on: https://go-review.googlesource.com/21597 Run-TryBot: Dave Cheney <dave@cheney.net> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: -
Matthew Dempsky authored
Change-Id: I2da012ed996c669db513a462f014c6f3ffa396ee Reviewed-on: https://go-review.googlesource.com/21646Reviewed-by:
Mikio Hara <mikioh.mikioh@gmail.com>
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Matthew Dempsky authored
API could still be made more Go-ey. Updates #15165. Change-Id: I514ffceffa43c293ae5d7e5f1e9193fda0098865 Reviewed-on: https://go-review.googlesource.com/21644Reviewed-by:
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Matthew Dempsky authored
RIP architecture characters. Change-Id: I36f53afdc311b14b9459ff3821bd6df54a057ded Reviewed-on: https://go-review.googlesource.com/21628Reviewed-by:
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Matthew Dempsky authored
Change-Id: I858054b72847f4f27a1ebbdaff82820a28c03743 Reviewed-on: https://go-review.googlesource.com/21627Reviewed-by:
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Matthew Dempsky authored
Two of these error messages are already dead code: cmd/compile.main and cmd/link.main already switch on $GOARCH, ensuring it must be a prefix of the sys.Arch.Family. The error message about uncompiled Go source files can be just be simplified: anyone who's manually constructing Go object file archives probably knows what tool to use to compile Go source files. Change-Id: Ia4a67c0a1d1158379c127c91e909226d3367f3c2 Reviewed-on: https://go-review.googlesource.com/21626 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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