With GOEXPERIMENT=unified, the order variables are printed in "live at
entry to f.func1" is sensitive to whether regabi is enabled for some
reason. The order shouldn't matter to correctness, but it is odd.
For now, this CL just relaxes the test expectation order to unblock
enabling GOEXPERIMENT=unified by default. I've filed #54402 to
investigate further to confirm this a concern.
Updates #54402.
Change-Id: Iddfbb12c6cf7cc17b2aec8102b33761abd5f93ad
Reviewed-on: https://go-review.googlesource.com/c/go/+/422975
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Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
For selector expression "x.M" where "M" is a promoted method, irgen is using
the type of receiver "x" for determining the typeparams for instantiation.
However, because M is a promoted method, so its associated receiver is
not "x", but "x.T" where "T" is the embedded field of "x". That casues a
mismatch when converting non-shape types arguments.
Fixing it by using the actual receiver which has the method, instead of
using the base receiver.
Fixes#53982
Change-Id: I1836fc422d734df14e9e6664d4bd014503960bfc
Reviewed-on: https://go-review.googlesource.com/c/go/+/419294
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Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
When making the recursive call to fprint,
we just need to know how many bytes were written
and whether multiple lines were written.
We don't need a buffer to accomplish those;
a custom writer can keep track of the two in a cheap way,
avoiding the allocation of a byte slice and copying bytes.
name old time/op new time/op delta
Print-16 6.28ms ± 2% 6.12ms ± 1% -2.50% (p=0.000 n=10+9)
name old speed new speed delta
Print-16 8.26MB/s ± 3% 8.47MB/s ± 1% +2.56% (p=0.000 n=10+9)
name old alloc/op new alloc/op delta
Print-16 483kB ± 0% 443kB ± 0% -8.20% (p=0.000 n=10+10)
name old allocs/op new allocs/op delta
Print-16 17.8k ± 0% 17.3k ± 0% -2.31% (p=0.000 n=9+10)
Change-Id: Ib8411ae6738a2acae6af6d185da71727ce2eb97a
Reviewed-on: https://go-review.googlesource.com/c/go/+/412555
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
The current implementation of compilerVersion incorrectly gives an
error message that the compiler version is too old even though the
system has a recent compiler. This happens for specifically for the
gcc compiler and causes ASAN tests to be skipped.
Replacing -v with gcc dump version options seems to fix it. Running
./testsanitizers.test -test.v now shows the ASAN tests being run.
--- PASS: TestASAN (16.81s)
--- PASS: TestASAN/asan_useAfterReturn (0.60s)
--- PASS: TestASAN/asan_global5 (0.61s)
--- PASS: TestASAN/asan_unsafe_fail1 (0.73s)
--- PASS: TestASAN/asan_unsafe_fail3 (0.73s)
--- PASS: TestASAN/asan_unsafe_fail2 (0.74s)
--- PASS: TestASAN/asan_global4_fail (0.74s)
--- PASS: TestASAN/asan5_fail (0.74s)
--- PASS: TestASAN/asan3_fail (0.88s)
--- PASS: TestASAN/asan4_fail (0.89s)
--- PASS: TestASAN/asan2_fail (0.99s)
--- PASS: TestASAN/asan_global3_fail (1.00s)
--- PASS: TestASAN/asan_global1_fail (1.01s)
--- PASS: TestASAN/asan1_fail (1.01s)
--- PASS: TestASAN/asan_global2_fail (1.02s)
PASS
Fixes#54370
Change-Id: Iac13a1cf37de54432a6e49555f61e9ec1d781ab8
Reviewed-on: https://go-review.googlesource.com/c/go/+/422574
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Archana Ravindar <aravind5@in.ibm.com>
Reviewed-by: Than McIntosh <thanm@google.com>
The comment claims that reflect users cannot obtain an unsafe.Pointer
without also importing the unsafe package explicitly.
This is no longer true now that the Value.UnsafePointer method
directly returns an unsafe.Pointer.
Change-Id: Ia5bf2e8aead681c8fac5b011129954d075ae5a43
Reviewed-on: https://go-review.googlesource.com/c/go/+/404396
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Using build tool tags instead of relying on GOAMD64 env, which can be
overriden at make.bash time.
Change-Id: I96bb4b7416ea0bd1ab552feec9ede45b89a584c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/422614
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
When trampolines are needed (e.g. Darwin ARM64), the DWARF LPT (Line
Program Table - see DWARF section 6.1) generation fails because the
replacement symbols are marked as external symbols and skipped during
the DWARF LPT generation phase.
Fixes#54320
Change-Id: I6c93f5378f50e5edf30d5121402a48214abb1ce2
GitHub-Last-Rev: 085bbc55db
GitHub-Pull-Request: golang/go#54321
Reviewed-on: https://go-review.googlesource.com/c/go/+/422154
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Change the type of Conn.handshakeStatus from an atomically
accessed uint32 to an atomic.Bool. Change its name to
Conn.isHandshakeComplete to indicate it is a boolean value.
Eliminate the handshakeComplete() helper function, which checks
for equality with 1, in favor of the simpler
c.isHandshakeComplete.Load().
Change-Id: I084c83956fff266e2145847e8645372bef6ae9df
Reviewed-on: https://go-review.googlesource.com/c/go/+/422296
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
This CL adds a helper expression code for receiver addressing; i.e.,
the implicit addressing, dereferencing, and field selections involved
in changing the `x` in `x.M()` into an appropriate expression to pass
as an argument to the method.
Change-Id: I9be933e2a38c8f94f6a85d95b54f34164e5efb0a
Reviewed-on: https://go-review.googlesource.com/c/go/+/421820
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Unified IR uses static dictionaries for some itabs and function/method
expressions, and they're roughly the right idea. But at the same time,
they're actually somewhat brittle and I need to reorganize some ideas
anyway to get shaped-based stenciling working. So this CL just rips
them out entirely.
Note: the code for emitting runtime dictionaries with *runtime._type
symbols is still present, and continues to demonstrate that basic
runtime dictionary handling is working.
Change-Id: I44eb1c7974fb397909ad5db12987659e7505c2ad
Reviewed-on: https://go-review.googlesource.com/c/go/+/421819
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This CL separates out the handling of selector expressions for field
values, method values, and method expressions. Again part of
refactoring to make it possible to access runtime dictionaries where
needed.
No behavioral change; just duplicating and then streamlining the
existing code paths.
Change-Id: I53b2a344f4bdba2c9f37ef370dc9a091a3941021
Reviewed-on: https://go-review.googlesource.com/c/go/+/421818
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
This CL changes unified IR to explicitly handle function
instantiations within expression handling, rather than leaving it to
the underlying object reading logic.
Change-Id: I009a56013fbe9fbc4dabf80eea98993d34af4272
Reviewed-on: https://go-review.googlesource.com/c/go/+/421817
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Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: David Chase <drchase@google.com>
There was a TODO about quadratic performance, and indeed,
it can get bad. Added a map, made some integers that are
unlikely to exceed a few million into 32-bit integers.
Change-Id: I6facf2eabc00483e943b326ca8dcae2f778093da
Reviewed-on: https://go-review.googlesource.com/c/go/+/422297
Run-TryBot: David Chase <drchase@google.com>
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This CL applies the same change to test/live.go that was previously
applied to test/live_regabi.go in golang.org/cl/415240. This wasn't
noticed at the time though, because GOEXPERIMENT=unified was only
being tested on linux-amd64, which is a regabi platform.
Change-Id: I0c75c2b7097544305e4174c2f5ec6ec283c81a8e
Reviewed-on: https://go-review.googlesource.com/c/go/+/422254
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
`go env GOEXPERIMENT` prints what experiments are enabled relative to
the baseline configuration, so it's not a very robust way to detect
what experiments have been statically enabled at bootstrap time.
Instead, we can check build.Default.ToolTags, which has goexperiment.*
for all currently enabled experiments, independent of baseline.
Change-Id: I6132deaa73b1e79ac24176ef4de5af67a507ee26
Reviewed-on: https://go-review.googlesource.com/c/go/+/422234
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
Those ureader.go files have enough documents and in stable
developement/review as other parts of Unified IR.
Fixes#48194
Change-Id: I08a0cbfef05401135b5390e00fe808e838a96170
Reviewed-on: https://go-review.googlesource.com/c/go/+/422617
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Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
I've needed this more than once in the past, I hack it in,
then throw it away, seems sensible to make the change and
save it.
Fixes#53937.
Change-Id: I7fe886b1c93d73cbf553bed587f2c30f0f5d5a0b
Reviewed-on: https://go-review.googlesource.com/c/go/+/418015
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
The SERVER_NAME variable in the CGI environment should not
contain the port, according to the section 4.1.14 of the
RFC 3875.
Fixes#53368.
Change-Id: Ifeea70206878cf83bc0bda35cb514d0226bbcd8c
Reviewed-on: https://go-review.googlesource.com/c/go/+/412434
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Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: xie cui <523516579@qq.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
The test passed on linux/arm64, so re-enable it.
Change-Id: Ib5252d89b58f0de256993065e27b64c4676f5103
Reviewed-on: https://go-review.googlesource.com/c/go/+/414975
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Eric Fang <eric.fang@arm.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
For signed comparisons, the following four optimization rules hold:
(CMPconst [0] z:(AND x y)) && z.Uses == 1 => (TST x y)
(CMPWconst [0] z:(AND x y)) && z.Uses == 1 => (TSTW x y)
(CMPconst [0] x:(ANDconst [c] y)) && x.Uses == 1 => (TSTconst [c] y)
(CMPWconst [0] x:(ANDconst [c] y)) && x.Uses == 1 => (TSTWconst [int32(c)] y)
But currently they only apply to jump instructions, not to conditional
instructions within a block, such as cset, csel, etc. This CL extends
the above rules into blocks so that conditional instructions can also be
optimized.
name old time/op new time/op delta
DivisiblePow2constI64-160 1.04ns ± 0% 0.86ns ± 0% -17.30% (p=0.008 n=5+5)
DivisiblePow2constI32-160 1.04ns ± 0% 0.87ns ± 0% -16.16% (p=0.016 n=4+5)
DivisiblePow2constI16-160 1.04ns ± 0% 0.87ns ± 0% -16.03% (p=0.008 n=5+5)
DivisiblePow2constI8-160 1.04ns ± 0% 0.86ns ± 0% -17.15% (p=0.008 n=5+5)
Change-Id: I6bc34bff30862210e8dd001e0340b8fe502fe3de
Reviewed-on: https://go-review.googlesource.com/c/go/+/420434
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TryBot-Result: Gopher Robot <gobot@golang.org>
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Run-TryBot: Eric Fang <eric.fang@arm.com>
When a generic interface method is used, we use a special
relocation R_USEGENERICIFACEMETHOD to tell the linker the name of
the generic interface method, so it can keep methods with that
name live. The relocation references a symbol whose content is the
name. Currently this is a string symbol, which is content
addessable and may have trailing zero bytes (for better
deduplication). The trailing bytes can cause confusion for the
linker. This symbol doesn't need to be in the final binary and
doesn't need to be deduplicated with other symbol. So we don't use
content addressable symbol but make an (unnamed) symbol
specifically for this.
May fix#54346.
Change-Id: If0c34f7844c3553a7be3846b66cf1c103bc231c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/422300
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Add new line at the end of crash_test.go.
Change-Id: I73c77666066b105e563215f34e7ede6c1d92226b
Reviewed-on: https://go-review.googlesource.com/c/go/+/422299
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
We claim to not maintain pointer bits for noscan objects. But in fact
we do, since whenever we switch a page from scannable to noscan, we
call heapBits.initSpan which zeroes the heap bits.
Switch to ensure that we never scan noscan objects. This ensures that
we don't depend on the ptrbits for noscan objects. That fixes a bug
in the 1-bit bitmap CL which depended on that fact.
Change-Id: I4e66f582605b53732f8fca310c1f6bd2892963cb
Reviewed-on: https://go-review.googlesource.com/c/go/+/422435
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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Replace loading and storing an atomic.Value of type pointer with
atomic.Pointer.
Change-Id: I018ac1e18eee4f203ebca65c2833daf991075371
Reviewed-on: https://go-review.googlesource.com/c/go/+/422174
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Rob Pike <r@golang.org>
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Updates github.com/google/pprof to bring in the commit from
https://github.com/google/pprof/pull/717 which fixes mangled
symbol names for type parameters.
Fixes#54105
Change-Id: I01af9f780aba3338b960a03b30906a23642e4448
Reviewed-on: https://go-review.googlesource.com/c/go/+/420234
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Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Consistently recommend using EscapedPath rather than RawPath directly.
For #33596.
Change-Id: Ibe5c2dfa7fe6b1fbc540efed6db1291fc6532726
Reviewed-on: https://go-review.googlesource.com/c/go/+/418035
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Change-Id: Ia8c67d148fc7e71cac8954ccce6fffb8a6f423df
GitHub-Last-Rev: 9441b8f0c5
GitHub-Pull-Request: golang/go#54036
Reviewed-on: https://go-review.googlesource.com/c/go/+/419322
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Javad Rajabzadeh <ja7ad@live.com>
Reviewed-by: hopehook <hopehook@qq.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Per TODO, this CL just moves code around without behavioral
change. Part of a cleanup process so that it's easier to access object
dictionaries where needed.
Change-Id: I95bb3cdd3cdb46cae47d76d5c1d5d8256661f222
Reviewed-on: https://go-review.googlesource.com/c/go/+/421816
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
This CL adds a test that method expressions where the receiver type is
a derived type and embeds a promoted method work correctly.
Change-Id: I2e7c96007b6d9e6f942dc14228970ac508ff5c15
Reviewed-on: https://go-review.googlesource.com/c/go/+/422199
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The Go 1.18 frontend handles package-scope generic method values by
spilling the receiver value to a global temporary variable, which pins
it into memory. This issue isn't present in unified IR, which uses
OMETHVALUE when the receiver type is statically known.
Updates #54343.
Change-Id: I2c4ffeb125a3cf338f949a93b0baac75fff6cd31
Reviewed-on: https://go-review.googlesource.com/c/go/+/422198
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For interface method values, we nil check the receiver value at the
point of evaluating the method value. Currently this is inserted by
the backend during walk, but in some cases it's useful to emit them
upfront instead.
OITAB is essentially a field selection operation, like ODOT, OIDATA,
and OSPTR.
OCHECKNIL is a statement that simply evaluates its unary operand, and
discards the result (after testing for nil).
Change-Id: I583b5170539caa9a87aec661d5c293080fd87fbb
Reviewed-on: https://go-review.googlesource.com/c/go/+/422197
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TryBot-Result: Gopher Robot <gobot@golang.org>
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
ir.ClosureExpr implements ir.InitNode, so ir.InitExpr can prepend init
statements to it. However, CalleeEffects wasn't aware of this and
could cause the init statements to get dropped when inlining a call to
a closure.
This isn't an issue today, because we don't create closures with init
statements. But I ran into this within unified IR.
Easy and robust solution: just take advantage that ir.TakeInit can
handle any node.
Change-Id: Ica05fbf6a8c5be4b11927daf84491a1140da5431
Reviewed-on: https://go-review.googlesource.com/c/go/+/422196
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NewClosureVar should only be called to capture locally declared
variables in the enclosing function scope. This CL adds a check to
make sure it's used that way, in particular to make sure it's not
called to capture global variables.
This came up because for generic method values, we desugar the method
value into a function literal that captures the receiver value after
evaluating it. However, due to compiler backend limitations, for
package-scope generic method values we spill the receiver value into a
global variable rather than capturing it normally.
To prevent confusing backend issues when misusing NewClosureVar with
global variables, this CL adds an extra check.
Change-Id: I80f0f083dc80f70c7f0298020efe56dba00b67d7
Reviewed-on: https://go-review.googlesource.com/c/go/+/422195
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
When debugging IR that uses OLINKSYMOFFSET, you really need to know
what linksym it actually refers to.
Change-Id: I7f4775d040b50e36262f9f8b52d0fb112b7ed350
Reviewed-on: https://go-review.googlesource.com/c/go/+/422194
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Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
This reverts commit b589208c8c.
Reason for revert: Bug somewhere in this code, causing wasm and maybe linux/386 to fail.
Change-Id: I5e1e501d839584e0219271bb937e94348f83c11f
Reviewed-on: https://go-review.googlesource.com/c/go/+/422395
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Keith Randall <khr@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This reverts commit c3833a5543.
Reason for revert: Bug somewhere in this code, causing wasm and maybe linux/386 to fail.
Change-Id: I05f7cfa467598ca0c2c84fd4f752cc4ef117cc51
Reviewed-on: https://go-review.googlesource.com/c/go/+/422394
Run-TryBot: Keith Randall <khr@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Skip a collection of -buildmode=pie tests on alpine, which are
currently failing on the linux-amd64-alpine builder. Once #54354 has
been investigated and resolved we can turn these tests back on.
Updates #54354.
Change-Id: I99d4016a40873ee6bb4eda571a64eddbe719c76a
Reviewed-on: https://go-review.googlesource.com/c/go/+/422295
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Change-Id: Iff881cc6cc2ec34c7cf8bbd5dd1b0a05a19e1c23
Reviewed-on: https://go-review.googlesource.com/c/go/+/422175
Run-TryBot: Rob Pike <r@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Add named constants for the 3rd, 4th, and 13th most popular formats.
Fixes#52746
Change-Id: I7ce92e44dcae18c089124f1d6f5bc2d6359d436c
Reviewed-on: https://go-review.googlesource.com/c/go/+/412495
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
Disable the TestGdb* testpoints until we can figure out why they are
failing and reconfigure the machine properly.
Updates #54352.
Change-Id: Id9c76a0ba6e23b5deff24f521a1c8e0aafb6481a
Reviewed-on: https://go-review.googlesource.com/c/go/+/422294
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
