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21669 Commits

Author SHA1 Message Date
Robert Griesemer
c8d7d0d9f1 go/printer: update golden file (fix build)
Change-Id: I897a09a1c54f6d68c5dc68e189cb25dc72bb7590
Reviewed-on: https://go-review.googlesource.com/3240
Reviewed-by: Alan Donovan <adonovan@google.com>
2015-01-23 19:23:14 +00:00
Robert Griesemer
ad54a16b15 go/printer, cmd/gofmt: print import paths in double quotes
Fixes #9644.

Change-Id: Ia2e42befa20233107ac5409e79f9dce794983a3f
Reviewed-on: https://go-review.googlesource.com/3200
Reviewed-by: Alan Donovan <adonovan@google.com>
2015-01-23 18:24:17 +00:00
Robert Griesemer
dcb37f94e0 go/parser: report error for var/const decls with missing init exprs
Fixes #9639.

Change-Id: I311045d3df26b29b9380c159ef4727e85650d13b
Reviewed-on: https://go-review.googlesource.com/3211
Reviewed-by: Alan Donovan <adonovan@google.com>
2015-01-23 17:01:28 +00:00
Shenghou Ma
c242fbc903 runtime: fix incorrectly replaced "_type" in comments
Change-Id: I9d0b1bb68604c5a153bd5c05c7008db045c38d2a
Reviewed-on: https://go-review.googlesource.com/3180
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-23 00:12:13 +00:00
Robert Griesemer
19c1b163e8 bytes, strings: improve documentation for Count functions
Fixes #9659.

Change-Id: If364d5984a0c9a48858ae524b1560f633e621826
Reviewed-on: https://go-review.googlesource.com/3181
Reviewed-by: Rob Pike <r@golang.org>
2015-01-22 18:28:35 +00:00
Martin Möhrmann
494b4ce2a7 net: simplify itoa conversions
Rename itod to uitoa to have consistent naming with other itoa functions.
Reduce redundant code by calling uitoa from itoa.
Reduce buffer to maximally needed size for conversion of 64bit integers.
Adjust calls to itoa functions in package net to use new name for itod.
Avoid calls to itoa if uitoa suffices.

Change-Id: I79deaede4d4b0c076a99a4f4dd6f644ba1daec53
Reviewed-on: https://go-review.googlesource.com/2212
Reviewed-by: Mikio Hara <mikioh.mikioh@gmail.com>
2015-01-22 13:01:28 +00:00
Michael Matloob
afe6668216 cmd/ld: s/specificaly/specifically/ in comment
Change-Id: I849b8046daaec97ae631d59f1870cd5f1cd72f22
Reviewed-on: https://go-review.googlesource.com/3176
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-22 07:08:46 +00:00
Ian Lance Taylor
ec0ebc2281 cmd/gc: treat non-local vars inlined into wrapper as escaping
The compiler has a phase ordering problem.  Escape analysis runs
before wrapper generation.  When a generated wrapper calls a method
defined in a different package, if that call is inlined, there will be
no escape information for the variables defined in the inlined call.
Those variables will be placed on the stack, which fails if they
actually do escape.

There are probably various complex ways to fix this.  This is a simple
way to avoid it: when a generated wrapper calls a method defined in a
different package, treat all local variables as escaping.

Fixes #9537.

Change-Id: I530f39346de16ad173371c6c3f69cc189351a4e9
Reviewed-on: https://go-review.googlesource.com/3092
Reviewed-by: Russ Cox <rsc@golang.org>
2015-01-22 03:25:12 +00:00
David du Colombier
98d914201b lib9: build tokenize on Plan 9
The build was broken on Plan 9 after the
CL 2994, because of the use of getfields
in src/liblink/go.c.

This happened when building 8l, because
getfield was part of lib9 and tokenize
was part of the Plan 9 libc. However,
both getfields and tokenize depend on
utfrune, causing an incompatibility.

This change enables the build of tokenize
as part of lib9, so it doesn't use
tokenize from the Plan 9 libc anymore.

Change-Id: I2a76903b508bd92771c4754cd53dfc64df350892
Reviewed-on: https://go-review.googlesource.com/3121
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-21 23:27:01 +00:00
Rick Hudson
34bc85f6f3 runtime: fix trigger for concurrent GC
Adjust triggergc so that we trigger when we have used 7/8
of the available heap memory. Do first collection when we
exceed 4Mbytes.

Change-Id: I467b4335e16dc9cd1521d687fc1f99a51cc7e54b
Reviewed-on: https://go-review.googlesource.com/3149
Reviewed-by: Austin Clements <austin@google.com>
2015-01-21 21:30:46 +00:00
Paul van Brouwershaven
fe40cdd756 crypto/x509: implement crypto.Signer
Signer is an interface to support opaque private keys.
These keys typically result from being kept in special hardware
(i.e. a TPM) although sometimes operating systems provide a
similar interface using process isolation for security rather
than hardware boundaries.

This changes provides updates implements crypto.Signer in
CreateCRL and CreateCertificate so that they can be used with
opaque keys.

This CL has been discussed at: http://golang.org/cl/145910043

Change-Id: Id7857fb9a3b4c957c7050b519552ef1c8e55461e
Reviewed-on: https://go-review.googlesource.com/3126
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Adam Langley <agl@golang.org>
2015-01-21 20:13:48 +00:00
David Crawshaw
695a0fb4ef syscall: use name+(NN)FP on linux/amd64
Generated from a modified go vet.

Change-Id: Ibe82941283da9bd4dbc7fa624a33ffb12424daa2
Reviewed-on: https://go-review.googlesource.com/2817
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-21 19:04:38 +00:00
David Crawshaw
01295d7912 syscall: use name+(NN)FP on linux/386
Generated from go vet.

Change-Id: I8fee4095e43034b868bfd2b07e21ac13d5beabbb
Reviewed-on: https://go-review.googlesource.com/2816
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-21 18:54:27 +00:00
Austin Clements
e6982fadd2 Revert "runtime: fix trigger for concurrent GC"
This reverts commit 44529d9391.

Change-Id: I7671e2cd6f6a476efffa16e8110500a98258c0c1
Reviewed-on: https://go-review.googlesource.com/3130
Reviewed-by: Austin Clements <austin@google.com>
2015-01-21 16:29:17 +00:00
Rick Hudson
44529d9391 runtime: fix trigger for concurrent GC
Adujst triggergc so that we trigger when we have used 7/8
of the available memory.

Change-Id: I7ca02546d3084e6a04d60b09479e04a9a9837ae2
Reviewed-on: https://go-review.googlesource.com/3061
Reviewed-by: Russ Cox <rsc@golang.org>
2015-01-21 16:19:48 +00:00
Shenghou Ma
6cf5a733d5 internal/syscall: add getrandom syscall number for ppc64/ppc64le
Change-Id: I04c1b8f2a9ac4efba227d6c0a20459420cd3dc05
Reviewed-on: https://go-review.googlesource.com/3014
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-21 06:29:15 +00:00
Andrew Gerrand
746dec575c html/template: fix example code
Fixes #9651

Change-Id: I987833b6263482a402e58fcd9eeb0e42401599b5
Reviewed-on: https://go-review.googlesource.com/3073
Reviewed-by: Robert Griesemer <gri@golang.org>
2015-01-21 04:13:06 +00:00
Robert Griesemer
2dfa4f4eb0 math/big: use new nat.scan for Rat.SetString
Change-Id: Ida20bf95e8f0fdadb459c2daa6d22edae9c3ad16
Reviewed-on: https://go-review.googlesource.com/3091
Reviewed-by: Alan Donovan <adonovan@google.com>
2015-01-21 01:48:04 +00:00
Russ Cox
dba9eb3369 build: implement GOEXPERIMENT again in runtime, and add to liblink
For Austin's framepointer experiment.

Change-Id: I81b6f414943b3578924f853300b9193684f79bf4
Reviewed-on: https://go-review.googlesource.com/2994
Reviewed-by: Austin Clements <austin@google.com>
2015-01-21 00:44:18 +00:00
Adam Langley
8bf6e09f4c Revert "crypto/x509: implement crypto.Signer"
This reverts commit cef15faafe.

Change-Id: I6df3e9ea48cd58893892587dd5cd28c1eb759c48
Reviewed-on: https://go-review.googlesource.com/3090
Reviewed-by: Adam Langley <agl@golang.org>
2015-01-21 00:40:03 +00:00
Paul van Brouwershaven
4e7f06511a crypto/x509: Authority Key Identifier must be included in all CRLs issued
According to RFC5280 the authority key identifier extension MUST included in all
CRLs issued. This patch includes the authority key identifier extension when the
Subject Key Identifier is present in the signing certificate.

RFC5280 states:

"The authority key identifier extension provides a means of identifying the
public key corresponding to the private key used to sign a CRL.  The
identification can be based on either the key identifier (the subject key
identifier in the CRL signer's certificate) or the issuer name and serial
number.  This extension is especially useful where an issuer has more than one
signing key, either due to multiple concurrent key pairs or due to changeover."

Conforming CRL issuers MUST use the key identifier method, and MUST include this
extension in all CRLs issued."

This CL has been discussed at: http://golang.org/cl/177760043

Change-Id: I9bf50521908bfe777ea2398f154c13e8c90d14ad
Reviewed-on: https://go-review.googlesource.com/2258
Reviewed-by: Adam Langley <agl@golang.org>
2015-01-20 23:46:40 +00:00
Paul van Brouwershaven
cef15faafe crypto/x509: implement crypto.Signer
Signer is an interface to support opaque private keys.
These keys typically result from being kept in special hardware
(i.e. a TPM) although sometimes operating systems provide a
similar interface using process isolation for security rather
than hardware boundaries.

This changes provides updates implements crypto.Signer in
CreateCRL and CreateCertificate so that they can be used with
opaque keys.

This CL has been discussed at: http://golang.org/cl/145910043

Change-Id: Ie4a4a583fb120ff484a5ccf267ecd2a9c5a3902b
Reviewed-on: https://go-review.googlesource.com/2254
Reviewed-by: Adam Langley <agl@golang.org>
2015-01-20 23:45:06 +00:00
Emil Hessman
8128b0116d path/filepath: make Join handle UNC paths on Windows
Unless the first element is a Universal Naming Convention (UNC)[0]
path, Join shouldn't create a UNC path on Windows.

For example, Join inadvertently creates a UNC path on Windows when
told to join at least three non-empty path elements, where the first
element is `\` or `/`.

This CL prevents creation of a UNC path prefix when the first path
element isn't a UNC path.

Since this introduces some amount of Windows-specific logic, Join is
moved to a per GOOS implementation.

Fixes #9167.

[0]: http://msdn.microsoft.com/en-us/library/gg465305.aspx

Change-Id: Ib6eda597106cb025137673b33c4828df1367f75b
Reviewed-on: https://go-review.googlesource.com/2211
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2015-01-20 23:23:01 +00:00
Robert Griesemer
4e0618c992 math/big: permit internal nat.scan to accept decimal point
This will simplify parsing of rational and (eventually) floating point numbers.

Also streamlined inner loop. As a result, scan runs faster for all but short
(<= 10 digit) numbers. For short numbers it is < 10% slower (cause is known
and could be addressed in a future CL).

Minor unrelated cleanups. Added additional tests.

benchmark                     old ns/op     new ns/op     delta
BenchmarkScanPi               134465        125122        -6.95%
BenchmarkScan10Base2          493           540           +9.53%
BenchmarkScan100Base2         3608          3244          -10.09%
BenchmarkScan1000Base2        35376         32377         -8.48%
BenchmarkScan10000Base2       481504        450028        -6.54%
BenchmarkScan100000Base2      17936774      17648080      -1.61%
BenchmarkScan10Base8          258           280           +8.53%
BenchmarkScan100Base8         1389          1323          -4.75%
BenchmarkScan1000Base8        14221         13036         -8.33%
BenchmarkScan10000Base8       271298        258993        -4.54%
BenchmarkScan100000Base8      15715465      15672580      -0.27%
BenchmarkScan10Base10         249           268           +7.63%
BenchmarkScan100Base10        1324          1220          -7.85%
BenchmarkScan1000Base10       13398         12234         -8.69%
BenchmarkScan10000Base10      259157        249342        -3.79%
BenchmarkScan100000Base10     15670613      15582409      -0.56%
BenchmarkScan10Base16         231           251           +8.66%
BenchmarkScan100Base16        1093          1065          -2.56%
BenchmarkScan1000Base16       12687         12196         -3.87%
BenchmarkScan10000Base16      282349        271443        -3.86%
BenchmarkScan100000Base16     16742669      16552917      -1.13%

Change-Id: I4b9b078792788aef872b307399f00ffd34903127
Reviewed-on: https://go-review.googlesource.com/2960
Reviewed-by: Alan Donovan <adonovan@google.com>
2015-01-20 22:57:39 +00:00
Chris Manghane
f5b8813e93 cmd/gc: don't unpack struct arguments to append
Fixes #9634.

Change-Id: I7b18f26c2fb812978fc7adc5bfd39ebfffe48701
Reviewed-on: https://go-review.googlesource.com/3080
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-20 22:55:56 +00:00
Rick Hudson
0635706849 runtime: Add some diagnostic messages printing source of unmarked object
Print out the object holding the reference to the object
that checkmark detects as not being properly marked.

Change-Id: Ieedbb6fddfaa65714504af9e7230bd9424cd0ae0
Reviewed-on: https://go-review.googlesource.com/2744
Reviewed-by: Austin Clements <austin@google.com>
2015-01-20 19:58:22 +00:00
Robert Griesemer
de47e9ca54 math/big: better test coverage, misc. cleanups
Change-Id: I4ce5cee63093d917095bf90f4e11123f7ec0f93c
Reviewed-on: https://go-review.googlesource.com/2964
Reviewed-by: Alan Donovan <adonovan@google.com>
2015-01-20 19:23:47 +00:00
Burcu Dogan
dc72db90ea runtime/pprof: ignore CPU profile test failures in QEMU
Fixes #9605

Change-Id: Iafafa4c1362bbd1940f8e4fb979f72feae3ec3ad
Reviewed-on: https://go-review.googlesource.com/3000
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-20 18:15:06 +00:00
Andrew Gerrand
5efcbba9ee misc/makerelease: send file size when uploading
Change-Id: I1a1ed1e23067268a2bac08fc4c99c594fb723837
Reviewed-on: https://go-review.googlesource.com/3050
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-20 04:09:23 +00:00
Evan Kroske
68b78b8abd net/http/fcgi: Fix resource leaks
Close the pipe for the body of a request when it is aborted and close
all pipes when child.serve terminates.

Fixes #6934

Change-Id: I1c5e7d2116e1ff106f11a1ef8e99bf70cf04162a
Reviewed-on: https://go-review.googlesource.com/1923
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-19 22:54:54 +00:00
Mikio Hara
9ccbd027dd cmd/go: make use of Runnable method
Reported via unsupported Github pull request: #9299

Change-Id: I0e98dd68cbc68fcc6bcec15c5b33f20b6a861ec6
Reviewed-on: https://go-review.googlesource.com/3025
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-19 22:20:41 +00:00
Andrew Gerrand
95864504d2 misc/dashboard/codereview: delete
This dashboard is no longer in use, and doesn't work with Gerrit.

Change-Id: Ib7c367dcad97322566610157b15e23db5bec58ff
Reviewed-on: https://go-review.googlesource.com/3028
Reviewed-by: David Symonds <dsymonds@golang.org>
2015-01-19 22:18:03 +00:00
Russ Cox
73a10bfcbb cmd/dist: fix deadlock when compilation command fails
Can't use bgwait, both because it can only be used from
one goroutine at a time and because it ends up queued
behind all the other pending commands. Use a separate
signaling mechanism so that we can notice we're dying
sooner.

Change-Id: I8652bfa2f9bb5725fa5968d2dd6a745869d01c01
Reviewed-on: https://go-review.googlesource.com/3010
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-19 16:27:13 +00:00
Russ Cox
3965d7508e runtime: factor out bitmap, finalizer code from malloc/mgc
The code in mfinal.go is moved from malloc*.go and mgc*.go
and substantially unchanged.

The code in mbitmap.go is also moved from those files, but
cleaned up so that it can be called from those files (in most cases
the code being moved was not already a standalone function).
I also renamed the constants and wrote comments describing
the format. The result is a significant cleanup and isolation of
the bitmap code, but, roughly speaking, it should be treated
and reviewed as new code.

The other files changed only as much as necessary to support
this code movement.

This CL does NOT change the semantics of the heap or type
bitmaps at all, although there are now some obvious opportunities
to do so in followup CLs.

Change-Id: I41b8d5de87ad1d3cd322709931ab25e659dbb21d
Reviewed-on: https://go-review.googlesource.com/2991
Reviewed-by: Keith Randall <khr@golang.org>
2015-01-19 16:26:51 +00:00
Jongmin Kim
fd880f8d26 net/http: remove unused test type
Change-Id: Ia8d4459a39425583027f00410fe17b9686b768db
Reviewed-on: https://go-review.googlesource.com/3026
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-19 15:56:49 +00:00
Russ Cox
4d226dfee9 runtime: move write barrier code into mbarrier.go
I also added new comments at the top of mbarrier.go,
but the rest of the code is just copy-and-paste.

Change-Id: Iaeb2b12f8b1eaa33dbff5c2de676ca902bfddf2e
Reviewed-on: https://go-review.googlesource.com/2990
Reviewed-by: Austin Clements <austin@google.com>
2015-01-19 15:27:23 +00:00
Russ Cox
7ef59e4ed8 runtime: rename float64 constants to avoid name space pollution
Otherwise, if you mistakenly refer to an undeclared 'shift' variable, you get 52.

Change-Id: I845fb29f23baee1d8e17b37bde0239872eb54316
Reviewed-on: https://go-review.googlesource.com/2909
Reviewed-by: Austin Clements <austin@google.com>
2015-01-19 15:26:45 +00:00
Shenghou Ma
e12b1ddc99 fmt: reword the document for [n].
Fixes #9632.

Change-Id: Ic4d7cad8ff62023c1beecd2d62e48eb9258f5306
Reviewed-on: https://go-review.googlesource.com/3013
Reviewed-by: Rob Pike <r@golang.org>
2015-01-19 06:35:21 +00:00
Mikio Hara
3b5be4522a net: more accurate parsing of IPv4 header on IPConn
As shown in #9395, inaccurate implementation would be a cause of parsing
IPv4 header twice and corrupted upper-layer message issues.

Change-Id: Ia1a042e7ca58ee4fcb38fe9ec753c2ab100592ca
Reviewed-on: https://go-review.googlesource.com/3001
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-01-19 03:20:59 +00:00
Russ Cox
fd4dc91a96 strings: remove overengineered Compare implementation
The function is here ONLY for symmetry with package bytes.
This function should be used ONLY if it makes code clearer.
It is not here for performance. Remove any performance benefit.

If performance becomes an issue, the compiler should be fixed to
recognize the three-way compare (for all comparable types)
rather than encourage people to micro-optimize by using this function.

Change-Id: I71f4130bce853f7aef724c6044d15def7987b457
Reviewed-on: https://go-review.googlesource.com/3012
Reviewed-by: Rob Pike <r@golang.org>
2015-01-19 02:19:17 +00:00
Russ Cox
e832043e72 cmd/go: set $GOROOT during 'go tool' invocations
cmd/dist now requires $GOROOT to be set explicitly.
Set it when invoking via 'go tool dist' so that users are unaffected.

Also, change go tool -n to drop trailing space in output
for 'go tool -n <anything>'.

Change-Id: I9b2c020e0a2f3fa7c9c339fadcc22cc5b6cb7cac
Reviewed-on: https://go-review.googlesource.com/3011
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-19 02:19:01 +00:00
Shenghou Ma
dca54d7cdd cmd/dist: do not leave go-tool-dist-* temporary directories behind
Change-Id: I3f6ba5591130b2c4762d33bd4553220765ad9fc5
Reviewed-on: https://go-review.googlesource.com/2996
Reviewed-by: Andrew Gerrand <adg@golang.org>
2015-01-19 00:50:50 +00:00
Michael Matloob
020637daa9 cmd/dist: produce a properly formatted zversion.go
gofmt inserts a blank line line between const and var declarations

Change-Id: I3f2ddbd9e66a74eb3f37a2fe641b93820b02229e
Reviewed-on: https://go-review.googlesource.com/3022
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-19 00:35:40 +00:00
Brad Fitzpatrick
fd2642bfe3 doc: update go1.5.txt
Change-Id: I58d66a7fc25b172baf0df6b634e9e2cc792967d5
Reviewed-on: https://go-review.googlesource.com/3021
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-19 00:00:46 +00:00
Bill Thiede
e9ce76b0ec runtime, syscall: use SYSCALL instruction on FreeBSD.
This manually reverts 555da73 from #6372 which implies a
minimum FreeBSD version of 8-STABLE.
Updates docs to mention new minimum requirement.

Fixes #9627

Change-Id: I40ae64be3682d79dd55024e32581e3e5e2be8aa7
Reviewed-on: https://go-review.googlesource.com/3020
Reviewed-by: Minux Ma <minux@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-01-18 23:51:50 +00:00
Shenghou Ma
30e910197a misc/makerelease: workaround the go install -a restriction on release branches
Fixes #9619.

Change-Id: I71931b0d546163e5451d7d72e552b08540e3c2a7
Reviewed-on: https://go-review.googlesource.com/2995
Reviewed-by: Andrew Gerrand <adg@golang.org>
2015-01-18 23:20:25 +00:00
Brad Fitzpatrick
778b649e38 doc: direct people to the mailing list
Since the move to Github, we've started to receive lots of
introductory questions to the bug tracker. I posit this is because
most projects on Github don't have mailing lists, so the culture on
Github is to use the Issue Tracker as a discussion forum.

The Go project doesn't use the Issue Tracker as our first point of
communication. This CL updates CONTRIBUTING.md (which is linked when
you file a bug or send a pull request), to mention that we have a
mailing list.

It certainly won't stop all the errant bug reports, but it should
help.

Change-Id: Id8fbfd35b73f5117617dff53b1e72d5b5276388b
Reviewed-on: https://go-review.googlesource.com/3002
Reviewed-by: Rob Pike <r@golang.org>
2015-01-18 21:27:07 +00:00
Martin Möhrmann
c2c0bf77ef net/http/cgi: correctly handle pathnames for cygwin perl on windows
Cygwin perl uses unix pathnames in windows. Include cygwin perl in the
list of special cases for unix pathname handling in test.cgi.

Change-Id: I30445a9cc79d62d022ecc232c35aa5015b7418dc
Reviewed-on: https://go-review.googlesource.com/2973
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2015-01-17 22:51:55 +00:00
Keith Randall
c3b459d328 test: generate tests for arithmetic on narrow types
Fixes #9607
Related to #9604
Inadvertently found #9609

Change-Id: I8a8ddf84ac72d3e18986fd8e9288734459f3f174
Reviewed-on: https://go-review.googlesource.com/2962
Reviewed-by: Minux Ma <minux@golang.org>
2015-01-17 21:00:15 +00:00
Russ Cox
9af454c588 all: merge dev.cc (929f321) into master
This brings in cmd/dist written in Go, which is working on the primary builders.

If this breaks your build, you need to get Go 1.4 and put it in $HOME/go1.4
(or, if you want to use some other directory, set $GOROOT_BOOTSTRAP
to that directory).

To build Go 1.4 from source:

	git clone -b release-branch.go1.4 $GOROOT $HOME/go1.4
	cd $HOME/go1.4/src
	./make.bash

Or use a binary release: https://golang.org/dl/.

See https://golang.org/s/go15bootstrap for more information.

Change-Id: Ie4ae834c76ea35e39cc54e9878819a9e51b284d9
2015-01-16 18:57:33 -05:00