- 17 Mar, 2016 5 commits
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Martin Möhrmann authored
Separate unicode formatting into its own fmt_unicode function. Remove the fmtUnicode wrapper and the f.unicode and f.uniQuote flags that are not needed anymore. Remove mangling and restoring of the precision and sharp flags. Removes the buffer copy needed for %#U by moving the character encoding before the number encoding. Changes the behavior of plus and space flag to have no effect instead of printing a plus or space before "U+". Always print at least four digits after "U+" even if precision is set to less than 4. Change-Id: If9a0ee79e9eca2c76f06a4e0fdd75d98393899ac Reviewed-on: https://go-review.googlesource.com/20574 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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Keith Randall authored
Keep track of how many uses each Value has. Each appearance in Value.Args and in Block.Control counts once. The number of uses of a value is generically useful to constrain rewrite rules. For instance, we might want to prevent merging index operations into loads if the same index expression is used lots of times. But I have one use in particular for which the use count is required. We must make sure we don't combine ops with loads if the load has more than one use. Otherwise, we may split a single load into multiple loads and that breaks perceived behavior in the presence of races. In particular, the load of m.state in sync/mutex.go:Lock can't be done twice. (I have a separate CL which triggers the mutex failure. This CL has a test which demonstrates a similar failure.) Change-Id: Icaafa479239f48632a069d0c3f624e6ebc6b1f0e Reviewed-on: https://go-review.googlesource.com/20790 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Todd Neal <todd@tneal.org>
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Dave Cheney authored
Spotted while splunking in the compiler with GOGC=off. name old time/op new time/op delta Template 407ms ± 5% 402ms ± 6% ~ (p=0.301 n=20+20) GoTypes 1.33s ± 2% 1.29s ± 1% -3.47% (p=0.000 n=20+20) Compiler 6.21s ± 1% 5.91s ± 2% -4.83% (p=0.000 n=20+20) name old alloc/op new alloc/op delta Template 66.8MB ± 0% 63.9MB ± 0% -4.46% (p=0.000 n=19+20) GoTypes 232MB ± 0% 220MB ± 0% -5.16% (p=0.000 n=19+17) Compiler 1.02GB ± 0% 0.97GB ± 0% -5.81% (p=0.000 n=20+20) name old allocs/op new allocs/op delta Template 789k ± 0% 708k ± 0% -10.28% (p=0.000 n=19+20) GoTypes 2.49M ± 0% 2.20M ± 0% -11.57% (p=0.000 n=20+20) Compiler 10.8M ± 0% 9.4M ± 0% -12.82% (p=0.000 n=20+20) Change-Id: I76615cab912dde10595ca6ab9979ff6c5f1aec49 Reviewed-on: https://go-review.googlesource.com/20782Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by:
Keith Randall <khr@golang.org>
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Michael Hudson-Doyle authored
When building shared libraries, all symbols on Allsym are marked reachable. What I didn't realize was that this includes the ".dup" symbols created when "dupok" symbols are read from multiple package files. This breaks now because deadcode makes some assumptions that fail for these ".dup" symbols, but in any case was a bad idea -- I suspect this change makes libstd.so a bunch smaller, but creating it was broken before this CL so I can't be sure. This change simply stops adding these symbols to Allsym, which might make some of the many iterations over Allsym the linker does a touch quicker, although that's not the motivation here. Add a test that no symbols called ".dup" makes it into the runtime shared library. Fixes #14841 Change-Id: I65dd6e88d150a770db2d01b75cfe5db5fd4f8d25 Reviewed-on: https://go-review.googlesource.com/20780 Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com> Reviewed-by:
Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Matthew Dempsky authored
Receiver parameters generally aren't relevant to the function signature type. In particular: 1. When checking whether a type's method implements an interface's method, we specifically want to ignore the receiver parameters, because they'll be different. 2. When checking interface type equality, interface methods always use the same "fakethis" *struct{} type as their receiver. 3. Finally, method expressions and method values degenerate into receiver-less function types. The only case where we care about receiver types matching is in addmethod, which is easily handled by adding an extra Eqtype check of the receiver parameters. Also, added a test for this, since (surprisingly) there weren't any. As precedence, go/types.Identical ignores receiver parameters when comparing go/types.Signature values. Notably, this allows us to slightly simplify the "implements" function, which is used for checking whether type/interface t implements interface iface. Currently, cmd/compile actually works around Eqtype's receiver parameter checking by creating new throwaway TFUNC Types without the receiver parameter. (Worse, the compiler currently only provides APIs to build TFUNC Types from Nod syntax trees, so building those throwaway types also involves first building throwaway syntax trees.) Passes toolstash -cmp. Change-Id: Ib07289c66feacee284e016bc312e8c5ff674714f Reviewed-on: https://go-review.googlesource.com/20602Reviewed-by:Robert Griesemer <gri@golang.org>
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- 16 Mar, 2016 35 commits
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Josh Bleecher Snyder authored
Follow-up to CL 20674. Passes toolstash -cmp. Change-Id: I065fd4cd80d996c1e6566773189401ca4630c1ca Reviewed-on: https://go-review.googlesource.com/20692 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Dave Cheney <dave@cheney.net>
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Josh Bleecher Snyder authored
We can’t perfectly predict how large the function will be, but we can make a safe overestimate. No significant CPU time changes. name old alloc/op new alloc/op delta Template 67.7MB ± 0% 67.5MB ± 0% -0.24% (p=0.029 n=4+4) Unicode 43.9MB ± 0% 43.8MB ± 0% -0.13% (p=0.029 n=4+4) GoTypes 244MB ± 0% 244MB ± 0% -0.28% (p=0.029 n=4+4) Compiler 1.05GB ± 0% 1.05GB ± 0% -0.38% (p=0.029 n=4+4) name old allocs/op new allocs/op delta Template 795k ± 0% 794k ± 0% -0.14% (p=0.029 n=4+4) Unicode 569k ± 0% 569k ± 0% ~ (p=0.114 n=4+4) GoTypes 2.59M ± 0% 2.58M ± 0% -0.11% (p=0.029 n=4+4) Compiler 11.0M ± 0% 11.0M ± 0% -0.09% (p=0.029 n=4+4) Passes toolstash -cmp. Change-Id: I0a92ab04cba7520540ec58fe7189666d0e771454 Reviewed-on: https://go-review.googlesource.com/20771Reviewed-by:
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Josh Bleecher Snyder authored
Passes toolstash -cmp. Change-Id: I77a415a4e5d8de7eb902fb0866aaf8783259485a Reviewed-on: https://go-review.googlesource.com/20770Reviewed-by:
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James Bardin authored
Add a C.CBytes function to copy a Go byte slice into C memory. This returns an unsafe.Pointer, since that is what needs to be passed to C.free, and the data is often opaque bytes anyway. Fixes #14838 Change-Id: Ic7bc29637eb6f1f5ee409b3898c702a59833a85a Reviewed-on: https://go-review.googlesource.com/20762Reviewed-by:
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Austin Clements authored
Currently we generate write barriers when the right side of an assignment is a global function. This doesn't fall into the existing case of storing an address of a global because we haven't lowered the function to a pointer yet. This write barrier is unnecessary, so eliminate it. Fixes #13901. Change-Id: Ibc10e00a8803db0fd75224b66ab94c3737842a79 Reviewed-on: https://go-review.googlesource.com/20772 Run-TryBot: Austin Clements <austin@google.com> Reviewed-by:
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Josh Bleecher Snyder authored
Passes toolstash -cmp. Change-Id: Ie11912a16d2cd54500e2f6e84316519b80e7c304 Reviewed-on: https://go-review.googlesource.com/20672Reviewed-by:
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Josh Bleecher Snyder authored
c2go translated writing and advancing a pointer using slices. Switch to something more idiomatic. It is also more efficient, but not enough to matter. Change-Id: I67709632ac53253615a35365824ae97bbe5458d5 Reviewed-on: https://go-review.googlesource.com/20767 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Josh Bleecher Snyder authored
Passes toolstash -cmp. Change-Id: I38eb507de2e9dc2cf01822e420bf31a91fb1b720 Reviewed-on: https://go-review.googlesource.com/20766 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Robert Griesemer authored
The parser code was not reachable ever since some of the lexer cleanups. We could recognize '~' in the lexer, complain, and return a '^' instead, but it's been a few years since Go was new and this may have been a use- ful error. The lexer complains with "illegal character U+007E '~'" which is good enough. For #13244. Change-Id: Ie3283738486eb6f8462d594f2728ac98333c0520 Reviewed-on: https://go-review.googlesource.com/20768Reviewed-by:
Matthew Dempsky <mdempsky@google.com>
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Brad Fitzpatrick authored
Shrinks cmd/go by 30KB. Change-Id: Ied31192e85af76ebac743f8cc12bd9ef6ec5048f Reviewed-on: https://go-review.googlesource.com/20765Reviewed-by:
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Josh Bleecher Snyder authored
Change-Id: I0516d49ee8381c5e022d77c2fb41515c01c8a631 Reviewed-on: https://go-review.googlesource.com/20764Reviewed-by:
David Crawshaw <crawshaw@golang.org>
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Josh Bleecher Snyder authored
Use a local variable instead. Passes toolstash -cmp. Change-Id: I9623a40ff0d568f11afd1279b6aaa1c33eda644c Reviewed-on: https://go-review.googlesource.com/20730Reviewed-by:
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Josh Bleecher Snyder authored
Instead, use a slice. Passes toolstash -cmp. Change-Id: I889fdb4ae997416f907522f549b96506be13bec7 Reviewed-on: https://go-review.googlesource.com/20699Reviewed-by:
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Josh Bleecher Snyder authored
It is unused. Passes toolstash -cmp. Change-Id: I22ae2bb432ce6be377dea43cf018ffccb6e95f37 Reviewed-on: https://go-review.googlesource.com/20698Reviewed-by:
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Austin Clements authored
Currently we shrink stacks during STW mark termination because it used to be unsafe to shrink them concurrently. For some programs, this significantly increases pause time: stack shrinking costs ~5ms/MB copied plus 2µs/shrink. Now that we've made it safe to shrink a stack without the world being stopped, shrink them during the concurrent mark phase. This reduces the STW time in the program from issue #12967 by an order of magnitude and brings it from over the 10ms goal to well under: name old 95%ile-markTerm-time new 95%ile-markTerm-time delta Stackshrink-4 23.8ms ±60% 1.80ms ±39% -92.44% (p=0.008 n=5+5) Fixes #12967. This slows down the go1 and garbage benchmarks overall by < 0.5%. name old time/op new time/op delta XBenchGarbage-12 2.48ms ± 1% 2.49ms ± 1% +0.45% (p=0.005 n=25+21) name old time/op new time/op delta BinaryTree17-12 2.93s ± 2% 2.97s ± 2% +1.34% (p=0.002 n=19+20) Fannkuch11-12 2.51s ± 1% 2.59s ± 0% +3.09% (p=0.000 n=18+18) FmtFprintfEmpty-12 51.1ns ± 2% 51.5ns ± 1% ~ (p=0.280 n=20+17) FmtFprintfString-12 175ns ± 1% 169ns ± 1% -3.01% (p=0.000 n=20+20) FmtFprintfInt-12 160ns ± 1% 160ns ± 0% +0.53% (p=0.000 n=20+20) FmtFprintfIntInt-12 265ns ± 0% 266ns ± 1% +0.59% (p=0.000 n=20+20) FmtFprintfPrefixedInt-12 237ns ± 1% 238ns ± 1% +0.44% (p=0.000 n=20+20) FmtFprintfFloat-12 326ns ± 1% 341ns ± 1% +4.55% (p=0.000 n=20+19) FmtManyArgs-12 1.01µs ± 0% 1.02µs ± 0% +0.43% (p=0.000 n=20+19) GobDecode-12 8.41ms ± 1% 8.30ms ± 2% -1.22% (p=0.000 n=20+19) GobEncode-12 6.66ms ± 1% 6.68ms ± 0% +0.30% (p=0.000 n=18+19) Gzip-12 322ms ± 1% 322ms ± 1% ~ (p=1.000 n=20+20) Gunzip-12 42.8ms ± 0% 42.9ms ± 0% ~ (p=0.174 n=20+20) HTTPClientServer-12 69.7µs ± 1% 70.6µs ± 1% +1.20% (p=0.000 n=20+20) JSONEncode-12 16.8ms ± 0% 16.8ms ± 1% ~ (p=0.154 n=19+19) JSONDecode-12 65.1ms ± 0% 65.3ms ± 1% +0.34% (p=0.003 n=20+20) Mandelbrot200-12 3.93ms ± 0% 3.92ms ± 0% ~ (p=0.396 n=19+20) GoParse-12 3.66ms ± 1% 3.65ms ± 1% ~ (p=0.117 n=16+18) RegexpMatchEasy0_32-12 85.0ns ± 2% 85.5ns ± 2% ~ (p=0.143 n=20+20) RegexpMatchEasy0_1K-12 267ns ± 1% 267ns ± 1% ~ (p=0.867 n=20+17) RegexpMatchEasy1_32-12 83.3ns ± 2% 83.8ns ± 1% ~ (p=0.068 n=20+20) RegexpMatchEasy1_1K-12 432ns ± 1% 432ns ± 1% ~ (p=0.804 n=20+19) RegexpMatchMedium_32-12 133ns ± 0% 133ns ± 0% ~ (p=1.000 n=20+20) RegexpMatchMedium_1K-12 40.3µs ± 1% 40.4µs ± 1% ~ (p=0.319 n=20+19) RegexpMatchHard_32-12 2.10µs ± 1% 2.10µs ± 1% ~ (p=0.723 n=20+18) RegexpMatchHard_1K-12 63.0µs ± 0% 63.0µs ± 0% ~ (p=0.158 n=19+17) Revcomp-12 461ms ± 1% 476ms ± 8% +3.29% (p=0.002 n=20+20) Template-12 80.1ms ± 1% 79.3ms ± 1% -1.00% (p=0.000 n=20+20) TimeParse-12 360ns ± 0% 360ns ± 0% ~ (p=0.802 n=18+19) TimeFormat-12 374ns ± 1% 372ns ± 0% -0.77% (p=0.000 n=20+19) [Geo mean] 61.8µs 62.0µs +0.40% Change-Id: Ib60cd46b7a4987e07670eb271d22f6cee5802842 Reviewed-on: https://go-review.googlesource.com/20044Reviewed-by:
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Austin Clements authored
We're about to add another root marking job that needs to happen only during the first markroot pass (whether that's concurrent or STW), just like finalizer scanning. Rather than introducing another flag that has the same value as finalizersDone, just rename finalizersDone to markrootDone. Change-Id: I535356c6ea1f3734cb5b6add264cb7bf48de95e8 Reviewed-on: https://go-review.googlesource.com/20043Reviewed-by:
Rick Hudson <rlh@golang.org> Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Austin Clements authored
Currently shinkstack is only safe during STW because it adjusts channel-related stack pointers and moves send/receive stack slots without synchronizing with the channel code. Make it safe to use when the world isn't stopped by: 1) Locking all channels the G is blocked on while adjusting the sudogs and copying the area of the stack that may contain send/receive slots. 2) For any stack frames that may contain send/receive slot, using an atomic CAS to adjust pointers to prevent races between adjusting a pointer in a receive slot and a concurrent send writing to that receive slot. In principle, the synchronization could be finer-grained. For example, we considered synchronizing around the sudogs, which would allow channel operations involving other Gs to continue if the G being shrunk was far enough down the send/receive queue. However, using the channel lock means no additional locks are necessary in the channel code. Furthermore, the stack shrinking code holds the channel lock for a very short time (much less than the time required to shrink the stack). This does not yet make stack shrinking concurrent; it merely makes doing so safe. This has negligible effect on the go1 and garbage benchmarks. For #12967. Change-Id: Ia49df3a8a7be4b36e365aac4155a2416b94b988c Reviewed-on: https://go-review.googlesource.com/20042Reviewed-by:
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Austin Clements authored
Currently, locking a G's stack by setting its status to _Gcopystack or _Gscan is unordered with respect to channel locks. However, when we make stack shrinking concurrent, stack shrinking will need to lock the G and then acquire channel locks, which imposes an order on these. Document this lock ordering and fix closechan to respect it. Everything else already happens to respect it. For #12967. Change-Id: I4dd02675efffb3e7daa5285cf75bf24f987d90d4 Reviewed-on: https://go-review.googlesource.com/20041Reviewed-by:
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Austin Clements authored
Currently sudog.elem is never accessed concurrently, so in several cases we drop the channel lock just before reading/writing the sent/received value from/to sudog.elem. However, concurrent stack shrinking is going to have to adjust sudog.elem to point to the new stack, which means it needs a way to synchronize with accesses to sudog.elem. Hence, add sudog.elem to the fields protected by hchan.lock and scoot the unlocks down past the uses of sudog.elem. While we're here, better document the channel synchronization rules. For #12967. Change-Id: I3ad0ca71f0a74b0716c261aef21b2f7f13f74917 Reviewed-on: https://go-review.googlesource.com/20040Reviewed-by:
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Austin Clements authored
With concurrent stack shrinking, the stack can move the instant after a G enters _Gwaiting. There are only two places that put a G into _Gwaiting: gopark and newstack. We fixed uses of gopark. This commit fixes newstack by simplifying its G transitions and, in particular, eliminating or narrowing the transient _Gwaiting states it passes through so it's clear nothing in the G is accessed while in _Gwaiting. For #12967. Change-Id: I2440ead411d2bc61beb1e2ab020ebe3cb3481af9 Reviewed-on: https://go-review.googlesource.com/20039Reviewed-by:
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Austin Clements authored
gopark calls the unlock function after setting the G to _Gwaiting. This means it's generally unsafe to access the G's stack from the unlock function because the G may start running on another P. Once we start shrinking stacks concurrently, a stack shrink could also move the stack the moment after it enters _Gwaiting and before the unlock function is called. Document this restriction and fix the two places where we currently violate it. This is unlikely to be a problem in practice for these two places right now, but they're already skating on thin ice. For example, the following sequence could in principle cause corruption, deadlock, or a panic in the select code: On M1/P1: 1. G1 selects on channels A and B. 2. selectgoImpl calls gopark. 3. gopark puts G1 in _Gwaiting. 4. gopark calls selparkcommit. 5. selparkcommit releases the lock on channel A. On M2/P2: 6. G2 sends to channel A. 7. The send puts G1 in _Grunnable and puts it on P2's run queue. 8. The scheduler runs, selects G1, puts it in _Grunning, and resumes G1. 9. On G1, the sellock immediately following the gopark gets called. 10. sellock grows and moves the stack. On M1/P1: 11. selparkcommit continues to scan the lock order for the next channel to unlock, but it's now reading from a freed (and possibly reused) stack. This shouldn't happen in practice because step 10 isn't the first call to sellock, so the stack should already be big enough. However, once we start shrinking stacks concurrently, this reasoning won't work any more. For #12967. Change-Id: I3660c5be37e5be9f87433cb8141bdfdf37fadc4c Reviewed-on: https://go-review.googlesource.com/20038Reviewed-by:
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Austin Clements authored
Currently the g.waiting list created by a select is in poll order. However, nothing depends on this, and we're going to need access to the channel lock order in other places shortly, so modify select to put the waiting list in channel lock order. For #12967. Change-Id: If0d38816216ecbb37a36624d9b25dd96e0a775ec Reviewed-on: https://go-review.googlesource.com/20037Reviewed-by:
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Austin Clements authored
Currently the select lock order is a []*hchan. We're going to need to refer to things other than the channel itself in lock order shortly, so switch this to a []uint16 of indexes into the select cases. This parallels the existing representation for the poll order. Change-Id: I89262223fe20b4ddf5321592655ba9eac489cda1 Reviewed-on: https://go-review.googlesource.com/20036Reviewed-by:
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Austin Clements authored
Given a G, there's currently no way to find the channel it's blocking on. We'll need this information to fix a (probably theoretical) bug in select and to implement concurrent stack shrinking, so record the channel in the sudog. For #12967. Change-Id: If8fb63a140f1d07175818824d08c0ebeec2bdf66 Reviewed-on: https://go-review.googlesource.com/20035Reviewed-by:
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Austin Clements authored
gcMarkRootCheck is too expensive to do during mark termination. However, since it's a useful check and it complements checkmark mode nicely, enable it during mark termination is checkmark is enabled. Change-Id: Icd9039e85e6e9d22747454441b50f1cdd1412202 Reviewed-on: https://go-review.googlesource.com/20663Reviewed-by:
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Brad Fitzpatrick authored
I was wondering why cmd/go includes the HTTP server implementations. Dumping the linker's deadcode dependency graph into a file and doing some graph analysis, I found that the only reason cmd/go included an HTTP server was because the maxBytesReader type (used by both the HTTP transport & HTTP server) did a static type assertion to an HTTP server type. Changing it to a interface type assertion reduces the size of cmd/go by 533KB (5.2%) On linux/amd64, cmd/go goes from 10549200 to 10002624 bytes. Add a test too so this doesn't regress. The test uses cmd/go as the binary to test (a binary which needs the HTTP client but not the HTTP server), but this change and test are equally applicable to any such program. Change-Id: I93865f43ec03b06d09241fbd9ea381817c2909c5 Reviewed-on: https://go-review.googlesource.com/20763Reviewed-by:
Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by:
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Robert Griesemer authored
Step 2 of stream-lining parameter parsing - do parameter validity checks in parser - two passes instead of multiple (and theoretically quadratic) passes when checking parameters - removes the need for OKEY and some ONONAME nodes in those passes This removes allocation of ~123K OKEY (incl. some ONONAME) nodes out of a total of ~10M allocated nodes when running make.bash, or a reduction of the number of alloacted nodes by ~1.2%. Change-Id: I4a8ec578d0ee2a7b99892ac6b92e56f8e0415f03 Reviewed-on: https://go-review.googlesource.com/20748Reviewed-by:
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Alan Donovan authored
Change-Id: I049d2596fe8ce0e93391599f5c224779fd8e316f Reviewed-on: https://go-review.googlesource.com/20761Reviewed-by:
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Robert Griesemer authored
Step 1 of streamlining parameter parsing. Change-Id: If9fd38295ccc08aafc7f1d26188d0926dd73058b Reviewed-on: https://go-review.googlesource.com/20747Reviewed-by:
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Todd Neal authored
Fixes #14825 Change-Id: Ib44d80579a55c15d75ea2ad1ef54efa6ca66a9a6 Reviewed-on: https://go-review.googlesource.com/20745 Run-TryBot: Todd Neal <todd@tneal.org> Reviewed-by:
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Martin Möhrmann authored
Use The fmt internal buffer for character formatting instead of the pp Printer rune decoding buffer. Uses an uint64 instead of int64 argument to fmt_c and fmt_qc for easier range checks since no valid runes are represented by negative numbers or are above 0x10ffff. Add range checks to fmt_c and fmt_qc to guarantee that a RuneError character is returned by the functions for any invalid code point in range uint64. For invalid code points in range utf8.MaxRune the used utf8 and strconv functions already return a RuneError. Change-Id: I9772f804dfcd79c3826fa7f6c5ebfbf4b5304a51 Reviewed-on: https://go-review.googlesource.com/20373 Run-TryBot: Rob Pike <r@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Martin Möhrmann authored
Remove check for %p and %T in printValue. These verbs are not recursive and are handled already in printArg which is called on any argument before printValue. Format the type string for %T directly instead of invoking the more complex printArg with %s on the type string. Decouple the %T tests from variables declared in scan_test.go. Change-Id: Ibd51566bd4cc1a260ce6d052f36382ed05020b48 Reviewed-on: https://go-review.googlesource.com/20622 Run-TryBot: Rob Pike <r@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Aliaksandr Valialkin authored
Fixes #14664 Change-Id: I8bda2435857772f590859808904c48d768b87d46 Reviewed-on: https://go-review.googlesource.com/20254 Run-TryBot: Rob Pike <r@golang.org> Reviewed-by:
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Rob Pike authored
The Join test was doing something remarkable and unnecessary instead of just using ... on a slice. Maybe it was an editing relic. Fix it by deleting the monstrosity. Change-Id: I5b90c6d539d334a9c27e57d26dacd831721cfcfe Reviewed-on: https://go-review.googlesource.com/20727Reviewed-by:
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Martin Möhrmann authored
Do a reset of the fmt flags before printing the extra argument error message to prevent a malformed printing of extra arguments. Regroup tests for extra argument error strings. Change-Id: Ifd97f5ca36f6c97ed5a380d975cf154d17997d3f Reviewed-on: https://go-review.googlesource.com/20571 Run-TryBot: Rob Pike <r@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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