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Commit Graph

17725 Commits

Author SHA1 Message Date
Rémy Oudompheng
8d6bc666fb cmd/gc: qualified embedded fields with owner package.
R=rsc
CC=golang-dev
https://golang.org/cl/14188044
2013-10-02 12:27:33 -04:00
Frithjof Schulze
4d7c63558c crypto/tls: Update reference to the TLS 1.2 RFC.
Ticket 13740047 updated the documented TLS version to 1.2.
This also updates the RFC refered to.

R=golang-dev
CC=golang-dev, rsc
https://golang.org/cl/14029043
2013-10-02 12:09:13 -04:00
Russ Cox
c3dadca977 runtime: do not scan stack by frames during garbage collection
Walking the stack by frames is ~3x more expensive
than not, and since it didn't end up being precise,
there is not enough benefit to outweigh the cost.

This is the conservative choice: this CL makes the
stack scanning behavior the same as it was in Go 1.1.

Add benchmarks to package runtime so that we have
them when we re-enable this feature during the
Go 1.3 development.

benchmark                     old ns/op    new ns/op    delta
BenchmarkGoroutineSelect        3194909      1272092  -60.18%
BenchmarkGoroutineBlocking      3120282       866366  -72.23%
BenchmarkGoroutineForRange      3256179       939902  -71.13%
BenchmarkGoroutineIdle          2005571       482982  -75.92%

The Go 1 benchmarks, just to add more data.
As far as I can tell the changes are mainly noise.

benchmark                         old ns/op    new ns/op    delta
BenchmarkBinaryTree17            4409403046   4414734932   +0.12%
BenchmarkFannkuch11              3407708965   3378306120   -0.86%
BenchmarkFmtFprintfEmpty                100           99   -0.60%
BenchmarkFmtFprintfString               242          239   -1.24%
BenchmarkFmtFprintfInt                  204          206   +0.98%
BenchmarkFmtFprintfIntInt               320          316   -1.25%
BenchmarkFmtFprintfPrefixedInt          295          299   +1.36%
BenchmarkFmtFprintfFloat                442          435   -1.58%
BenchmarkFmtManyArgs                   1246         1216   -2.41%
BenchmarkGobDecode                 10186951     10051210   -1.33%
BenchmarkGobEncode                 16504381     16445650   -0.36%
BenchmarkGzip                     447030885    447056865   +0.01%
BenchmarkGunzip                   111056154    111696305   +0.58%
BenchmarkHTTPClientServer             89973        93040   +3.41%
BenchmarkJSONEncode                28174182     27933893   -0.85%
BenchmarkJSONDecode               106353777    110443817   +3.85%
BenchmarkMandelbrot200              4822289      4806083   -0.34%
BenchmarkGoParse                    6102436      6142734   +0.66%
BenchmarkRegexpMatchEasy0_32            133          132   -0.75%
BenchmarkRegexpMatchEasy0_1K            372          373   +0.27%
BenchmarkRegexpMatchEasy1_32            113          111   -1.77%
BenchmarkRegexpMatchEasy1_1K            964          940   -2.49%
BenchmarkRegexpMatchMedium_32           202          205   +1.49%
BenchmarkRegexpMatchMedium_1K         68862        68858   -0.01%
BenchmarkRegexpMatchHard_32            3480         3407   -2.10%
BenchmarkRegexpMatchHard_1K          108255       112614   +4.03%
BenchmarkRevcomp                  751393035    743929976   -0.99%
BenchmarkTemplate                 139637041    135402220   -3.03%
BenchmarkTimeParse                      479          475   -0.84%
BenchmarkTimeFormat                     460          466   +1.30%

benchmark                          old MB/s     new MB/s  speedup
BenchmarkGobDecode                    75.34        76.36    1.01x
BenchmarkGobEncode                    46.50        46.67    1.00x
BenchmarkGzip                         43.41        43.41    1.00x
BenchmarkGunzip                      174.73       173.73    0.99x
BenchmarkJSONEncode                   68.87        69.47    1.01x
BenchmarkJSONDecode                   18.25        17.57    0.96x
BenchmarkGoParse                       9.49         9.43    0.99x
BenchmarkRegexpMatchEasy0_32         239.58       241.74    1.01x
BenchmarkRegexpMatchEasy0_1K        2749.74      2738.00    1.00x
BenchmarkRegexpMatchEasy1_32         282.49       286.32    1.01x
BenchmarkRegexpMatchEasy1_1K        1062.00      1088.96    1.03x
BenchmarkRegexpMatchMedium_32          4.93         4.86    0.99x
BenchmarkRegexpMatchMedium_1K         14.87        14.87    1.00x
BenchmarkRegexpMatchHard_32            9.19         9.39    1.02x
BenchmarkRegexpMatchHard_1K            9.46         9.09    0.96x
BenchmarkRevcomp                     338.26       341.65    1.01x
BenchmarkTemplate                     13.90        14.33    1.03x

Fixes #6482.

R=golang-dev, dave, r
CC=golang-dev
https://golang.org/cl/14257043
2013-10-02 11:59:53 -04:00
Shenghou Ma
6b188ef57a cmd/dist, build: support building statically linked toolchain
Added a new $GO_DISTFLAGS to make.bash, and while we're here,
added mention $CXX in make.bash (CL 13704044).

Fixes #6448.
Update #3564
We can pass GO_DISTFLAGS=-s from misc/dist to make.bash so that
it will build a statically linked toolchain.
(Note: OS X doesn't have the concept of static linking, so don't
pass GO_DISTFLAGS=-s for OS X builds)

R=adg, rsc, iant
CC=golang-dev
https://golang.org/cl/13887043
2013-10-01 23:44:20 -04:00
Andrew Gerrand
57d37b55b8 doc: rename @go_nuts to @golang
Yay!

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/14256043
2013-10-02 11:46:44 +10:00
Dave Day
57f69710d5 cmd/go: use -installsuffix to determine the includes directory list
Currently, the directories generaed by includeArgs can have the "_race"
suffix added if invoked with -race flag, but ignores -installsuffix if
set.

R=adg, rsc
CC=golang-dev
https://golang.org/cl/14174043
2013-10-01 20:44:57 -04:00
Yasuhiro Matsumoto
fcee50c46e misc/vim: Separate package and package members.
This change allow to godoc:
    :Godoc github.com/mattn/go-gtk/gtk
    :Godoc github.com/mattn/go-gtk/gtk NewWindow
    :Godoc encoding/json
    :Godoc encoding/json Marshal

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/14171043
2013-10-02 08:52:51 +10:00
David Symonds
ac3d6a56c9 C: add Dave Day (Google CLA).
R=adg, djd
CC=golang-dev
https://golang.org/cl/14176043
2013-10-01 11:24:24 +10:00
Carl Shapiro
7a480a8c9b undo CL 14154043 / 3e485428767e
««« original CL description
encoding/gob: do not hide pointer argument for the garbage collector

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14154043
»»»

R=golang-dev
CC=golang-dev
https://golang.org/cl/14165043
2013-09-30 16:02:12 -07:00
Carl Shapiro
6ffd70e7f0 encoding/gob: do not hide pointer argument for the garbage collector
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14154043
2013-09-30 15:54:21 -07:00
Dave Cheney
cdb33231b2 race.bash, race.bat: build a race enabled cmd/cgo before trying to use it
Fixes #5537.

To avoid `go install -v race std` replacing cmd/cgo with a race enabled version and another package trying to build a cgo enabled package, always build cmd/cgo race enabled before doing the rest of the build.

R=remyoudompheng, rsc, dvyukov, minux.ma
CC=golang-dev
https://golang.org/cl/14071044
2013-09-29 10:34:41 +10:00
Ian Lance Taylor
4da408f676 test: match gccgo error messages for blank1.go
blank1.go:10:9: error: invalid package name _
blank1.go:17:2: error: cannot use _ as value
blank1.go:18:7: error: cannot use _ as value
blank1.go:20:8: error: invalid use of ‘_’

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14088044
2013-09-28 15:19:05 -07:00
Ian Lance Taylor
bdafe73ce4 test: recognize gccgo error message in index.go
When a floating point constant is used as an array/slice
index, gccgo prints "error: index must be integer"; gc prints
"constant 2.1 truncated to integer".

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/14044044
2013-09-27 20:38:52 -07:00
Robin Eklind
9bd1f49e37 syscall: Fix one issue detected by vet.
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/14038044
2013-09-28 11:06:50 +10:00
Kamil Kisiel
48da6754e2 encoding/json: Tweak documentation for Encoder.Encode.
The documentation for the Encoder type calls it a stream,
not a connection.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/14015044
2013-09-27 15:38:39 +10:00
Carl Shapiro
0ab8f2d287 reflect: expose reflect.call argument slice to the garbage collector
The argument slice was kept hidden from the garbage collector
by destroying its referent in an unsafe.Pointer to uintptr
conversion.  This change preserves the unsafe.Pointer referent
and only performs an unsafe.Pointer to uintptr conversions
within expressions that construct new unsafe.Pointer values.

R=golang-dev, khr, rsc
CC=golang-dev
https://golang.org/cl/14008043
2013-09-26 21:59:13 -07:00
Yasuhiro Matsumoto
d6eada282e misc/vim: "PACKAGE DOCUMENTATION" is not hilighted
R=golang-dev, r, dsymonds
CC=golang-dev
https://golang.org/cl/14018043
2013-09-27 12:57:09 +10:00
Yasuhiro Matsumoto
b128426804 misc/vim: godoc is optional. so should point installation instruction.
R=golang-dev, r, dsymonds
CC=golang-dev
https://golang.org/cl/14017043
2013-09-27 12:35:03 +10:00
Rob Pike
fa7791e922 all: fix some mistakes found by go tool vet .
R=golang-dev, iant, adg
CC=golang-dev
https://golang.org/cl/14000043
2013-09-27 10:09:15 +10:00
Andrew Gerrand
1f7c8a9aed doc: update links to spec and memory model
Fixes #6488.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14004043
2013-09-27 09:46:36 +10:00
Adam Langley
f752484c74 crypto/tls: don't select TLS 1.2 cipher suites in prior versions.
AES-GCM cipher suites are only defined for TLS 1.2, although there's
nothing really version specific about them. However, development
versions of NSS (meaning Firefox and Chrome) have an issue where
they'll advertise TLS 1.2-only cipher suites in a TLS 1.1 ClientHello
but then balk when the server selects one.

This change causes Go clients not to advertise TLS 1.2 cipher suites
unless TLS 1.2 is being used, and prevents servers from selecting them
unless TLS 1.2 has been negotiated.

https://code.google.com/p/chromium/issues/detail?id=297151
https://bugzilla.mozilla.org/show_bug.cgi?id=919677

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/13573047
2013-09-26 17:09:56 -04:00
Dave Cheney
649a2a9be5 runtime, syscall: update freebsd/arm calling convention to match EABI
Fixes #6451.

There is still some breakages unrelated to the syscall change.

[root@beaglebone ~/go/src]# /root/go/pkg/tool/freebsd_arm/go_bootstrap version
go version devel freebsd/arm
a std@beaglebone ~/go/src]# /root/go/pkg/tool/freebsd_arm/go_bootstrap install -
fatal error: mark - finalizer inconsistency

runtime stack:
runtime.throw(0x3e80ac)
        /root/go/src/pkg/runtime/panic.c:464 +0x5c
addfinroots(0x2)
        /root/go/src/pkg/runtime/mgc0.c:1501 +0x74
runtime.walkfintab(0x6c200)
        /root/go/src/pkg/runtime/mfinal.c:216 +0xa0
addroots()
        /root/go/src/pkg/runtime/mgc0.c:1561 +0x188
gc(0x50632f78)
        /root/go/src/pkg/runtime/mgc0.c:2098 +0x19c
mgc(0x306170a0)
        /root/go/src/pkg/runtime/mgc0.c:2049 +0x30
runtime.mcall(0x3e97b0)
        /root/go/src/pkg/runtime/asm_arm.s:165 +0x3c

goroutine 1 [garbage collection]:
runtime.gc(0x0)
        /root/go/src/pkg/runtime/mgc0.c:2020 +0x1a0 fp=0x50632f80
runtime.mallocgc(0x680, 0x1b1971, 0x1)
        /root/go/src/pkg/runtime/malloc.goc:143 +0x210 fp=0x50632fbc
----- stack segment boundary -----
cnew(0x1b1970, 0x640, 0x1)
        /root/go/src/pkg/runtime/malloc.goc:718 +0xc4 fp=0x50626110
runtime.cnewarray(0x1b1970, 0x640)
        /root/go/src/pkg/runtime/malloc.goc:731 +0x3c fp=0x50626120
makeslice1(0x1ac6d0, 0x500, 0x640, 0x50626190)
        /root/go/src/pkg/runtime/slice.c:57 +0x50 fp=0x5062612c
growslice1(0x1ac6d0, 0x30714a00, 0x500, 0x500, 0x501, ...)
        /root/go/src/pkg/runtime/slice.c:113 +0x8c fp=0x50626144
runtime.growslice(0x1ac6d0, 0x30714a00, 0x500, 0x500, 0x1, ...)
        /root/go/src/pkg/runtime/slice.c:80 +0x19c fp=0x50626174
go/build.(*importReader).readByte(0x3070d1b0, 0xb384e)
        /root/go/src/pkg/go/build/read.go:43 +0xbc fp=0x506261b4
go/build.(*importReader).peekByte(0x3070d1b0, 0x3070d101, 0x3070d180)
        /root/go/src/pkg/go/build/read.go:89 +0x210 fp=0x506261d0
go/build.readComments(0x203e2560, 0x306f79a8, 0x306f79a8, 0x203e2560, 0x306f79a8, ...)
        /root/go/src/pkg/go/build/read.go:194 +0x84 fp=0x506261f4
go/build.(*Context).matchFile(0x3e9730, 0x306209c0, 0x13, 0x306c42b4, 0x5, ...)
        /root/go/src/pkg/go/build/build.go:812 +0x74c fp=0x5062629c
go/build.(*Context).Import(0x3e9730, 0x1f95c8, 0x1, 0x30620960, 0x13, ...)
        /root/go/src/pkg/go/build/build.go:580 +0xd64 fp=0x506268dc
go/build.(*Context).ImportDir(0x3e9730, 0x30620960, 0x13, 0x0, 0x24d901, ...)
        /root/go/src/pkg/go/build/build.go:397 +0x5c fp=0x50626904
main.func·021(0x30620960, 0x13, 0x203e2200, 0x30680330, 0x0, ...)
        /root/go/src/cmd/go/main.go:521 +0x2cc fp=0x5062696c
path/filepath.walk(0x30620960, 0x13, 0x203e2200, 0x30680330, 0x50626ae8, ...)
        /root/go/src/pkg/path/filepath/path.go:341 +0x5c fp=0x506269d8
path/filepath.walk(0x3067e720, 0x11, 0x203e2200, 0x30680210, 0x50626ae8, ...)
        /root/go/src/pkg/path/filepath/path.go:359 +0x308 fp=0x50626a44
path/filepath.Walk(0x3067e720, 0x11, 0x50626ae8, 0x1f9728, 0x1)
        /root/go/src/pkg/path/filepath/path.go:380 +0xb4 fp=0x50626a68
main.matchPackages(0xbfffedea, 0x3, 0x1b1190, 0x3067e600, 0x10)
        /root/go/src/cmd/go/main.go:530 +0x2c0 fp=0x50626b1c
main.allPackages(0xbfffedea, 0x3, 0x1fadc8, 0x3, 0x1)
        /root/go/src/cmd/go/main.go:474 +0x34 fp=0x50626b70
main.importPathsNoDotExpansion(0x30620018, 0x1, 0x1, 0x0, 0xffffffff, ...)
        /root/go/src/cmd/go/main.go:305 +0x2f8 fp=0x50626c04
main.importPaths(0x30620018, 0x1, 0x1, 0x3, 0x0, ...)
        /root/go/src/cmd/go/main.go:315 +0x44 fp=0x50626c88
main.packagesAndErrors(0x30620018, 0x1, 0x1, 0x50626d60, 0x90f44, ...)
        /root/go/src/cmd/go/pkg.go:798 +0x1bc fp=0x50626d1c
main.packagesForBuild(0x30620018, 0x1, 0x1, 0x53490, 0x0, ...)
        /root/go/src/cmd/go/pkg.go:818 +0x44 fp=0x50626dac
main.runInstall(0x3e46e0, 0x30620018, 0x1, 0x1)
        /root/go/src/cmd/go/build.go:311 +0x48 fp=0x50626e60
main.main()
        /root/go/src/cmd/go/main.go:161 +0x518 fp=0x50626f8c
runtime.main()
        /root/go/src/pkg/runtime/proc.c:222 +0x100 fp=0x50626fc0
runtime.goexit()
        /root/go/src/pkg/runtime/proc.c:1396 fp=0x50626fc0

goroutine 3 [syscall]:
os/signal.loop()
        /root/go/src/pkg/os/signal/signal_unix.go:21 +0x24
created by os/signal.init·1
        /root/go/src/pkg/os/signal/signal_unix.go:27 +0x48

R=minux.ma, rsc
CC=golang-dev
https://golang.org/cl/13824044
2013-09-26 21:35:49 +10:00
Shenghou Ma
752960aa5c cmd/go: "go test -c -test.bench=XX fmt" shouldn't hang
Fixes #6480.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/13925043
2013-09-25 16:18:33 -04:00
Andrew Gerrand
bc0e51555c doc: mention the install locations for godoc, cover, and vet
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/13893043
2013-09-25 18:15:29 +10:00
Rob Pike
4be17b7a7e doc/go1.2.html: add go/ast.SliceExpr.Slice3
R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/13877044
2013-09-25 16:17:54 +10:00
Andrew Gerrand
bc5e77fef9 doc: fix typo in install-source.html
R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/13892043
2013-09-25 14:27:23 +10:00
Andrew Gerrand
b3caa86f91 doc: document installation of go.tools commands
Fixes #5663.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/13891043
2013-09-25 14:10:49 +10:00
Ian Lance Taylor
935a826a2f cmd/cgo: fix so that tests pass again when using gccgo
Use the symbol prefixes with the prologue functions when using
gccgo.

Use an & when referring to a function declared as a variable.

Fix the malloc prologue function.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/13878043
2013-09-24 18:11:13 -07:00
Rob Pike
e2e9d1d684 html/template: update the Tree field after parsing new templates
After text/template.Parse, all the templates may have changed, so
we need to set them all back to their unescaped state. The code
did this but (mea culpa) forgot to set the Tree field of the html/template
struct.

Since the Tree is reset during escaping, this only matters if an error
arises during escaping and we want to print a message.

Fixes #6459.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/13877043
2013-09-25 10:00:09 +10:00
Robert Griesemer
20db0f428a go/ast: add Slice3 field to SliceExpr
If Slice3 is set, the expression is
a 3-index slice expression (2 colons).
Required for type-checking.

Backward-compatible API extension.

R=r, rsc
CC=golang-dev
https://golang.org/cl/13826050
2013-09-24 16:35:35 -07:00
Kamil Kisiel
b0ef6aeff9 math/big: Fix variable name in documentation for *Int.Bytes and BitLen.
R=golang-dev, iant, gri
CC=golang-dev
https://golang.org/cl/13869043
2013-09-24 16:32:23 -07:00
Russ Cox
828a4b9376 sync/atomic: adjust for new runtime.cas64 prototype
R=golang-dev, minux.ma, josharian
CC=golang-dev
https://golang.org/cl/13859043
2013-09-24 15:54:48 -04:00
Russ Cox
5639d2754b cmd/cgo: retain Go pointer passed to C call for duration of call
Fixes #6397.

R=golang-dev, bradfitz, iant
CC=golang-dev
https://golang.org/cl/13858043
2013-09-24 15:52:48 -04:00
Shenghou Ma
7616c94921 cmd/dist, cmd/go: embed default C++ compiler into cmd/go
Fixes #6426.

R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/13704044
2013-09-24 00:17:08 -04:00
Alex Brainman
b80ef1ab48 net: re-enable raw socket tests on windows
Since CL 38bf89161a72 raw socket tests are not executed
on windows builders. This change re-enable them again.
It will attempt to run raw socket tests only if user
is permitted to create raw socket by OS.

Fixes #6392

R=golang-dev
CC=golang-dev, mikioh.mikioh, rsc
https://golang.org/cl/13422044
2013-09-24 13:15:49 +10:00
Brad Fitzpatrick
0f3ea75020 encoding/json: don't cache value addressability when building first encoder
newTypeEncoder (called once per type and then cached) was
looking at the first value seen of that type's addressability
and caching the encoder decision.  If the first value seen was
addressable and a future one wasn't, it would panic.

Instead, introduce a new wrapper encoder type that checks
CanAddr at runtime.

Fixes #6458

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/13839045
2013-09-23 19:57:19 -07:00
Russ Cox
e8bbbe0886 net: ensure that ResolveTCPAddr(addr.String()) reproduces addr
And same for UDP.

Fixes #6465.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/13740048
2013-09-23 22:40:24 -04:00
Albert Strasheim
2be62360b2 net: fix Close of autobind unix listener
Fixes #6455.

R=mikioh.mikioh, rsc
CC=golang-dev
https://golang.org/cl/13457058
2013-09-23 22:33:42 -04:00
Andrew Gerrand
2d2ae53119 reflect: update docs; Interface can return a method value
Fixes #6460.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/13761046
2013-09-24 10:49:54 +10:00
Russ Cox
d9f034dc9e net/http: accept Content-Range for entire file
Fixes a bug reported privately.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/13846043
2013-09-23 17:16:59 -04:00
Dmitriy Vyukov
39361170d4 misc/pprof: support block profile
Fixes #6347.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/13845044
2013-09-23 14:15:20 -07:00
Brad Fitzpatrick
547e4f9b2e api: update next.txt
R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/13820046
2013-09-23 13:56:21 -07:00
Russ Cox
3c1ece2cb4 cmd/cgo: update #cgo docs to reflect reality
The syntax accepted is full build constraints, not just
GOOS, GOARCH, and GOOS/GOARCH.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/13504048
2013-09-23 16:29:53 -04:00
Russ Cox
05ff4d7a1a runtime/pprof: fix profile parser in test
Fixes #6417.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/13843043
2013-09-23 16:05:36 -04:00
Russ Cox
bc2c3388f4 crypto/tls: document that the package supports TLS 1.2
Fixes #6456.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/13740047
2013-09-23 16:05:23 -04:00
Russ Cox
0fc9db7944 undo CL 13321048 / 9567c5da6e25
Makes build unnecessarily slower. Will fix the parser instead.

««« original CL description
runtime/pprof: run TestGoroutineSwitch for longer

Short test now takes about 0.5 second here.

Fixes #6417.

The failure was also seen on our builders.

R=golang-dev, minux.ma, r
CC=golang-dev
https://golang.org/cl/13321048
»»»

R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/13720048
2013-09-23 15:58:35 -04:00
Kamil Kisiel
e07b5baf4f reflect: add example for StructTag
Fix a few minor vet quibbles while I'm here.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/13235059
2013-09-23 13:19:08 -04:00
Shenghou Ma
60513bf2f4 cmd/ld: fix "_image_base__ not defined" problem for cmd/8l.
Fixes #6431.

Change suggested by kin.wilson.za.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/13314048
2013-09-23 13:08:00 -04:00
Péter Surányi
3861cb4388 go/build: add go1.2 build tag
Fixes #6449.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/13829044
2013-09-23 18:11:25 +10:00
Rob Pike
3e3ed5d978 fmt: one bad index shouldn't spoil them all
In an indexed verb such as %[3]d, if the index is out of range, don't
skip processing the rest of the verbs. The bug was that the bad
index set a bit for the whole format instead of just the verb.

Ok for 1.2 because this is a bug in a 1.2 feature.

Fixes #6434

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/13632058
2013-09-23 16:03:57 +10:00