Our large-function phi placement algorithm is incompatible with phi
opcodes already existing in the SSA representation. Instead, use simple
variable assignments and have the phi placement algorithm place the phis
we need for min/max.
Turns out the small-function phi placement algorithm doesn't have this
sensitivity, so this bug only occurs in large functions (>500 basic blocks).
Maybe we should document/check that no phis are present when we start
phi placement (regardless of size). Leaving for a potential separate CL.
We should probably also fix the placement algorithm to handle existing
phis correctly. But this CL is probably a lot smaller/safer than
messing with phi placement.
Fixes#60982
Change-Id: I59ba7f506c72b22bc1485099a335d96315ebef67
Reviewed-on: https://go-review.googlesource.com/c/go/+/505756
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
They should return the first of equal elements. No such clarification
is required for Min/Max as for them equal elements are indistinguishable.
For #60091
Change-Id: Iad58115d482add852c811e993131702b5b3bec5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/505796
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Eli Bendersky <eliben@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
Rename the old TestPlatformVerifier to TestPlatformVerifierLegacy, and
add TODO about removing it once the synthetic root is widely deployed on
builders.
Updates #52108
Change-Id: I6cdba268e4738804c7f76ea18c354470b3e0318c
Reviewed-on: https://go-review.googlesource.com/c/go/+/505755
Run-TryBot: Roland Shoemaker <roland@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
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Reviewed-by: Bryan Mills <bcmills@google.com>
When reusing a g struct the runtime did not reset
g.raceignore. Initialize raceignore to zero when initially
setting racectx.
A goroutine can end with a non-zero raceignore if it exits
after calling runtime.RaceDisable without a matching
runtime.RaceEnable. If that goroutine's g is later reused
the race detector is in a weird state: the underlying
g.racectx is active, yet g.raceignore is non-zero, and
raceacquire/racerelease which check g.raceignore become
no-ops. This causes the race detector to report races when
there are none.
Fixes#60934
Change-Id: Ib8e412f11badbaf69a480f03740da70891f4093f
Reviewed-on: https://go-review.googlesource.com/c/go/+/505055
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Run-TryBot: Michael Knyszek <mknyszek@google.com>
CL 410344 fixed missing method value wrapper, by visiting body of
wrapper function after applying inlining pass.
CL 492017 allow more inlining of functions that construct closures,
which ends up making the wrapper function now inlineable, but can
contain closure nodes that couldn't be inlined. These closures body may
contain OMETHVALUE nodes that we never seen, thus we need to scan
closures body for finding them.
Fixes#60945
Change-Id: Ia1e31420bb172ff87d7321d2da2989ef23e6ebb6
Reviewed-on: https://go-review.googlesource.com/c/go/+/505255
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Also switch internal/platform to commit the generated code instead of
regenerating it in cmd/dist. Nothing in the generated code depends on
the target configuration, and committing the source file makes it
more amenable to searching and indexing (particularly on
https://cs.opensource.google/go/go).
For #60939.
Change-Id: I9133dfd5129b3c4d7457267589dfac5e7ecbef65
Reviewed-on: https://go-review.googlesource.com/c/go/+/505175
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Change the cover command to accept arguments via response files, using
the same mechanism employed for the compiler and the assembler. This
is needed now that the cover tool accepts a list of all source files
in a package, as opposed to just a single source file, and as a result
can run into system-dependent command line length limits.
Fixes#60785.
Change-Id: I67dbc96ad9fc5c6f43d5c1e4e903e4b8589b154f
Reviewed-on: https://go-review.googlesource.com/c/go/+/503735
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Due to the semantics of roots, a root store may contain two valid roots
that have the same subject (but different SPKIs) at the asme time. As
such in testVerify it is possible that when we verify a certificate we
may get two chains that has the same stringified representation.
Rather than doing something fancy to include keys (which is just overly
complicated), tolerate multiple matches.
Fixes#60925
Change-Id: I5f51f7635801762865a536bcb20ec75f217a36ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/505035
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
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We parse mail messages using net/textproto. For #53188, we tightened
up the bytes permitted by net/textproto to match RFC 7230.
However, this package uses RFC 5322 which is more permissive.
Restore the permisiveness we used to have, so that older code
continues to work.
Fixes#58862Fixes#60332
Change-Id: I5437f5e18a756f6ca61c13c4d8ba727be73eff9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/504416
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Change-Id: Idd872c5b90dbca564ed8a37bb3683e642142ae63
Reviewed-on: https://go-review.googlesource.com/c/go/+/505015
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Change-Id: Ie71bc41bd7f1aecf6ce69a8b310668fdd03da42b
Reviewed-on: https://go-review.googlesource.com/c/go/+/504880
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rhys Hiltner <rhys@justin.tv>
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Reviewed-by: Eli Bendersky <eliben@google.com>
For #57752Fixes#60924
Change-Id: Ie1e16c041885abb51dd6c2f0b7dfa03091cfb338
Reviewed-on: https://go-review.googlesource.com/c/go/+/504879
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Auto-Submit: Ian Lance Taylor <iant@google.com>
There's more I could list here, but the mapping becomes more complicated
and more fragile. I think this is sufficient to start with.
Fixes#46846.
Change-Id: I6803486a64888b2f38e244b8e2175ad064d648ed
Reviewed-on: https://go-review.googlesource.com/c/go/+/504115
Reviewed-by: Michael Pratt <mpratt@google.com>
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Running go test -parallel=1 -v, these are the top 10 tests:
PASS: TestScript/mod_invalid_version 40.14s
PASS: TestScript/build_cache_output 46.82s
PASS: TestScript/get_legacy 48.69s
PASS: TestTestCache 58.44s
PASS: TestScript/mod_get_direct 62.88s
PASS: TestScript/build_pgo_auto_multi 63.49s
PASS: TestScript/build_pgo_auto 70.69s
PASS: TestScript/gcflags_patterns 95.17s
PASS: TestScript/mod_list_compiled_concurrent 124.31s
PASS: TestScript/vet_flags 202.85s
Change the top 5 not to run builds at all, so they don't
have to use -a or clear the go build cache.
mod_get_direct should be replaced with a vcs-test test.
mod_invalid_version should be replaced with a vcs-test test.
get_legacy should be deleted eventually.
Change-Id: Id67c458b1a96c912d89cbece341372c2ef5ee082
Reviewed-on: https://go-review.googlesource.com/c/go/+/504536
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
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n.TypeCheck() == 3 is never true now, in n.SetTypecheck(x), when x > 2,
it panic.
Change-Id: Ic876680435d4536eb63dcedee20a07ccdf918b91
Reviewed-on: https://go-review.googlesource.com/c/go/+/504435
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It said that Attrs with an empty key are ignored.
In fact, zero Attrs are ignored.
Fixes#60870.
Change-Id: I221d3a25b0f0cc9001e06e9cc76bab29292c0741
Reviewed-on: https://go-review.googlesource.com/c/go/+/504535
Run-TryBot: Jonathan Amsterdam <jba@google.com>
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Size is defined as returning -1 if the type is not fixed-size.
Before this CL cases like Size((*[]int)(nil)) would crash.
Fixes#60892
Change-Id: Iee8e20a0aee24b542b78cb4160c3b2c5a3eb02c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/504575
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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Try to avoid fixes from automatic spell checkers.
Change-Id: I1d134fb2721decffa865a3f4d78bca4fce8e8fee
Reviewed-on: https://go-review.googlesource.com/c/go/+/502658
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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We do not index std as a whole module ever.
When working in the main Go repo, files in package change often,
so we don't want to pay the cost of reindexing all of std when what
we really need is just to reindex strings. Per-package indexing
works better for that case.
When using a released Go toolchain, we don't have to worry about
the whole module changing, but if we switch to whole-module indexing
at that point, we have the potential for bugs that only happen in
released toolchains. Probably not worth the risk.
For similar reasons, we don't index the current work module as
a whole module (individual packages are changing), so we use the heuristic
that we only do whole-module indexing in the module cache.
The new toolchain modules live in the module cache, though, and
our heuristic was causing whole-module indexing for them.
As predicted, enabling whole-module indexing for std when it's
completely untested does in fact lead to bugs (a very minor one).
This CL turns off whole-module indexing for std even when it is
in the module cache, to bring toolchain module behavior back in
line with the other ways to run toolchains.
For #57001.
Change-Id: I5012dc713f566846eb4b2848facc7f75bc956eb9
Reviewed-on: https://go-review.googlesource.com/c/go/+/504119
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They have to be renamed to _go.mod to make a valid module.
Copy them back to go.mod so that 'go test cmd' has a better
chance of working.
For #57001.
Change-Id: Ied6f0dd77928996ab322a55c5606d7f75431e362
Reviewed-on: https://go-review.googlesource.com/c/go/+/504118
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Modules cannot contain go.mod files except at the root
(and we don't keep one at the root). Rename the other go.mod
files to _go.mod.
dl2mod, which we used to convert all the old releases,
did this renaming, but it was missed when porting that
code to distpack.
For #57001.
Fixes#60847.
Change-Id: I4d646b96b5be15df3b79193e254ddc9b11cc8734
Reviewed-on: https://go-review.googlesource.com/c/go/+/503979
Auto-Submit: Russ Cox <rsc@golang.org>
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There is a chicken and egg problem with always requiring
the checksum database for toolchain module downloads, since the
checksum database populates its entry by doing its own module
download.
Don't require the checksum database for GOPROXY=file:/// (for local testing)
and when running on the Go module mirror.
For #60847.
Change-Id: I5d67d585169ae0fa73109df233baae8ba5fe5dd3
Reviewed-on: https://go-review.googlesource.com/c/go/+/503978
Reviewed-by: Bryan Mills <bcmills@google.com>
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This is intended for the specific case of 'fmahash=qn' where someone
wants to disable fma without all the hash-search-handshake output.
There are cases where arm64, ppc64, and s390x users might want to do
this.
Change-Id: Iaf46c68a00d7c9f7f82fd98a4548b72610f84bed
Reviewed-on: https://go-review.googlesource.com/c/go/+/503776
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
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Change-Id: I6db8ce8d7e0a1cb3d955493fa49eb7dff372eb38
Reviewed-on: https://go-review.googlesource.com/c/go/+/504375
Run-TryBot: Ian Lance Taylor <iant@google.com>
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When make slice of retractions, it should have initial length zero, to append more VersionIntervals.
Currently without the zero length, the capacity used will be doubled after the appending, looks like a bug.
Change-Id: Id3acaeffe557ca1d15c864b0377a66fee3a41f6c
GitHub-Last-Rev: ed5fd5f678
GitHub-Pull-Request: golang/go#60354
Reviewed-on: https://go-review.googlesource.com/c/go/+/497118
Auto-Submit: Bryan Mills <bcmills@google.com>
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Fixes#34396
Change-Id: I35c4e3447f84e349adf7edba92ccb19b324bfe14
GitHub-Last-Rev: 4f06764109
GitHub-Pull-Request: golang/go#60763
Reviewed-on: https://go-review.googlesource.com/c/go/+/502815
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
cmd/distpack deletes that module from its distribution.
For #24904.
Change-Id: I69dd328d0f790a49db7a053d703ae985d9ebe9e4
Reviewed-on: https://go-review.googlesource.com/c/go/+/504060
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cmd/distpack removes GOROOT/test from its archive of the distribution.
For #24904.
Change-Id: Ifde441f048f8af52f8973555b196ab0520b48ab7
Reviewed-on: https://go-review.googlesource.com/c/go/+/504057
Auto-Submit: Bryan Mills <bcmills@google.com>
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cmd/distpack removes GOROOT/test, so skip the test if it isn't there.
For #24904.
Change-Id: Iac381517d0540056b2ccea0dc1bd716113b18468
Reviewed-on: https://go-review.googlesource.com/c/go/+/504117
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GOROOT/test is pruned out by cmd/distpack. It isn't really needed for
the test anyway; the test can instead use the "src/unicode" subdirectory,
which is even within the same module.
This test was previously adjusted in CL 13467045 and CL 31859.
Unlike in previous iterations of the test, the directories used in
this revision are covered by the Go 1 compatibility policy and thus
unlikely to disappear.
For #24904.
Change-Id: I156ae18354bcbc2ddd8d22b210f16ba1e97cd5d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/504116
Auto-Submit: Bryan Mills <bcmills@google.com>
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Otherwise, gccgo tests may be quietly skipped.
For #60798
Change-Id: Iaad6b53c95ad4d407b917d8f62978979b82a4e81
Reviewed-on: https://go-review.googlesource.com/c/go/+/503495
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
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RemoteAddr can return nil in some cases, this fix prevents a panic.
I chatted with @neild about this beforehand, but what's happening in our
case is that a connection comes in to the HTTP server which is then
immediately closed (we discovered this issue by accident using nmap).
The network implementation that we're using (it happens to be gVisor
via its gonet adaptor) is returning nil from RemoteAddr(), presumably
as there is no remote at that point.
But, ultimately, since RemoteAddr returns an interface it is always
possible for it to return nil, and indeed conn.RemoteAddr in this file
does exactly that if the conn is not ok.
Change-Id: Ibe67ae6e30b68e2776df5ee2911bf5f1dc539641
GitHub-Last-Rev: ff3505d1d0
GitHub-Pull-Request: golang/go#60823
Reviewed-on: https://go-review.googlesource.com/c/go/+/503656
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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The main change here is fixing the panic where it was called even when
req.Body was nil. It might also work better to keep the req.Body.Close
calls closer after req.Body is read, so do that too.
Calling readableStreamPull.Release on a js.Func with a zero value
is currently a no-op, but it seems better to avoid it anyway.
Also remove readableStreamStart, readableStreamCancel while here.
They were used in the initial but not final patch set of CL 458395.
Fixes#60809.
Change-Id: I6ff2e3b6ec2cd4b0c9c67939903e32908312db8d
Reviewed-on: https://go-review.googlesource.com/c/go/+/503676
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
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This change adds a test highlighting an issue with the fstest.TestFS
test suite which occurred when the fs.FS implementation would expose
directories returning unordered directory entries from their ReadDir
method.
--- FAIL: TestShuffledFS (0.00s)
testfs_test.go:76: testing fs.Sub(fsys, tmp): TestFS found errors:
.: Glob(`*e*`): wrong output:
extra: one
missing: one
The issue came from having the wrong variable passed to the checkGlob
method. There are two variables named list and list2, the latter is
sorted, and the checkGlob method expects a sorted list but was passed
list instead of list2.
Change-Id: I5e49dccf14077e7d1fee51687eb6a5eeb0330c16
Reviewed-on: https://go-review.googlesource.com/c/go/+/503175
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Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Currently ArenaNew expects the type passed in to be a *T and it returns
a *T. This does not match the function's documentation.
Since this is an experiment, change ArenaNew to match the documentation.
This more closely aligns ArenaNew with arena.New. (Takes a type T,
returns a *T value.)
Note that this is a breaking change. However, as far as pkg.go.dev can
tell, there's exactly one package using it in the open source world.
Also, add smoke test for the exported API, which is just a wrapper
around the internal API. Clearly there's enough room for error here that
it should be tested, but we don't need thorough tests at this layer
because that already exists in the runtime. We just need to make sure it
basically works.
Fixes#60528.
Change-Id: I673cc4609378380ef80648b0c2eb2928e73f49c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/501860
Run-TryBot: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
The go command recognizes when a program named go_$GOOS_$GOARCH_exec
is in PATH. There are two such programs living in GOROOT/misc/wasm.
Like GOROOT/bin/{go,gofmt} and GOROOT/pkg/tool/**, these programs
need to have the executable bit set to do their job, so set it.
Comparing a distpack produced before and after this change shows that
the pack.go file is modified, the two go_{js,wasip1}_wasm_exec programs
have the new file mode, and there are no other changes, as expected.
The mode change is relevant to the binary and source distributions only.
No change to the module zip since it doesn't include GOROOT/misc at all,
so no effect on previously created toolchain modules whose checksums
are already recorded in the Go checksum database and cannot be changed.
(Other than by changing their "v0.0.1" version, but that's expensive.)
Fixes#60843.
Change-Id: I799b6aacff59c0785cb7743cbd17dda5a9ef91be
Reviewed-on: https://go-review.googlesource.com/c/go/+/503975
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
In racecallatomic, we do a load before calling into TSAN, so if
the address is invalid we fault on the Go stack. We currently use
a 8-byte load instruction, regardless of the data size that the
atomic operation is performed on. So if, say, we are doing a
LoadUint32 at an address that is the last 4 bytes of a memory
mapping, we may fault unexpectedly. Do a 1-byte load instead.
(Ideally we should do a load with the right size, so we fault
correctly if we're given an unaligned address for a wide load
across a page boundary. Leave that for another CL.)
Fix AMD64, ARM64, and PPC64. The code already uses 1-byte load
on S390X.
Should fix#60825.
Change-Id: I3dee93eb08ba180c85e86a9d2e71b5b520e8dcf0
Reviewed-on: https://go-review.googlesource.com/c/go/+/503937
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: David Chase <drchase@google.com>
When 'go list -cover' is run in a way that triggers package builds
(for example, -export), ensure that the build step actually includes
coverage instrumentation as part of the config. Without this we will
wind up with incorrect build IDs.
Fixes#60755.
Change-Id: Ic84ab9e301d075bee5ff9d6828370a1708be0035
Reviewed-on: https://go-review.googlesource.com/c/go/+/502877
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
The Fetch API was meant to only be disabled in tests.
Since wasm_exec.js defines a global 'process' object,
it ended up being disabled anywhere that script is used.
Make the heuristic stricter so that it's less likely to
trigger anywhere but when testing js/wasm using Node.js.
For #57613.
Fixes#60808.
Change-Id: Ief8def802b466ef4faad16daccefcfd72e4398b8
Reviewed-on: https://go-review.googlesource.com/c/go/+/503675
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
