Commit graph

51684 commits

Author SHA1 Message Date
Matthew Dempsky 999589e148 test: use dot-relative imports where appropriate
Currently, run.go's *dir tests allow "x.go" to be imported
interchangeably as either "x" or "./x". This is generally fine, but
can cause problems when "x" is the name of a standard library
package (e.g., "fixedbugs/bug345.dir/io.go").

This CL is an automated rewrite to change all `import "x"` directives
to use `import "./x"` instead. It has no effect today, but will allow
subsequent CLs to update test/run.go to resolve "./x" to "test/x" to
avoid stdlib collisions.

Change-Id: Ic76cd7140e83b47e764f8a499e59936be2b3c876
Reviewed-on: https://go-review.googlesource.com/c/go/+/395116
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2022-03-24 02:14:15 +00:00
Meng Zhuo 849e42f028 cmd/compile: update riscv64 CALL* ops
This CL allow the CALL ops to take variable number of arguments.

Change-Id: If84bb306c2f23a0a934e31dfeabbca7bed0c1796
Reviewed-on: https://go-review.googlesource.com/c/go/+/360216
Trust: mzh <mzh@golangcn.org>
Run-TryBot: mzh <mzh@golangcn.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2022-03-24 01:26:58 +00:00
Cuong Manh Le 947bf333fc cmd/compile/internal/types: simplify AllowsGoVersion
After CL 394556, only LocalPkg is passed to AllowsGoVersion, so simplify
the code to not depend on Pkg anymore.

Change-Id: I8f9bfd4090100eec60cf3959c0d8fa92a26fc32a
Reviewed-on: https://go-review.googlesource.com/c/go/+/394954
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2022-03-23 19:31:59 +00:00
Cuong Manh Le 0eb2c77124 cmd/compile: remove types.Field.{Broken,SetBroken}
SetBroken is never called and Broken always returns false.

Updates #51691

Change-Id: I7e3fd3f2121268596d2e93a28c69e895bcf802ab
Reviewed-on: https://go-review.googlesource.com/c/go/+/394558
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-03-23 19:31:50 +00:00
Cuong Manh Le 2792a414c6 cmd/compile/internal/types: remove anyBroke
anyBroke now always return false, we can get rid of it.

Updates #51691

Change-Id: Idab5bc9f9f222cc63e50bdde2b23b9404a4bd74e
Reviewed-on: https://go-review.googlesource.com/c/go/+/394557
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-03-23 19:31:43 +00:00
Cuong Manh Le 810868c9f6 cmd/compile: remove AllowsGoVersion checks in old typechecker
types2 handles those checks instead.

The only exception is noder.checkEmbed, since when types2
have not known about "//go:embed" pragma yet.

Updates #51691

Change-Id: I74ded03536023fe838f23fa7421e04513f904f66
Reviewed-on: https://go-review.googlesource.com/c/go/+/394556
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2022-03-23 19:31:36 +00:00
Cuong Manh Le 489e4882ef cmd/compile: remove typecheck.FuncBody
CL 388535 removed the only usage of this function.

Change-Id: Ie5a61cce75b03d83162f62989fe52388b069c9bc
Reviewed-on: https://go-review.googlesource.com/c/go/+/394576
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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2022-03-23 19:31:29 +00:00
Cuong Manh Le c10fb50894 cmd/compile: remove ir.Node.SetDiag
And use base.Fatalf in code that use n.SetDiag(true) instead.

Updates #51691

Change-Id: Ib3c0b9c89b8d95717391cbe7d424240e288ada1c
Reviewed-on: https://go-review.googlesource.com/c/go/+/394575
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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2022-03-23 19:31:19 +00:00
Cuong Manh Le 515135f4c3 cmd/compile: remove types.Type.SetBroken
And use base.Fatalf in code that use t.SetBroke(true) instead.

Updates #51691

Change-Id: I9f3613379dd82d0dd069cdf7b61cbb281810e2e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/394574
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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2022-03-23 19:31:11 +00:00
Cuong Manh Le 7e0a1d340f cmd/compile: remove reportTypeLoop
reportTypeLoop used to be used to report invalid recursive types in old
typechecker.

However, types2 now reports this error, so this can be removed.

Updates #51691

Change-Id: I5e73369dadafb0cc56e682668b32cbd1e1210f2f
Reviewed-on: https://go-review.googlesource.com/c/go/+/394554
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-03-23 19:31:03 +00:00
Robert Griesemer f9747b7f73 go/types, types2: report struct type for literals with too few/many elements
This change essentially matches the 1.17 compiler error message for
this error.

Fixes #51877.

Change-Id: I24ec2f9cc93d8cd2283d097332a39bc1a0eed3a1
Reviewed-on: https://go-review.googlesource.com/c/go/+/394914
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-23 18:22:52 +00:00
Cherry Mui dd211cf039 debug/gosym: skip non-real functions in LineToPC lookup
The code iterates through the func table to find a function with
a given file and line number. The code panics if it sees a non-
real function (e.g. go.buildid), because its CU offset is -1,
which causes an index-out-of-bounds error. The debug/gosym package
recovers the panic and returns "not found", without looping
through the rest of the entries.

Skip the non-real functions. They cannot be looked up by line
number anyway.

Fixes #51890.

Change-Id: I96f64c17b4a53ffdce047c8244b35a402a0d39ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/395074
Trust: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Jeremy Faller <jeremy@golang.org>
2022-03-23 17:12:00 +00:00
Cherry Mui 909a7a3213 cmd/compile: don't mark non-generic defined type symbol dupok
For a non-generic defined type, we generate its type descriptor
symbol only in the defining package. So there is no duplicate and
it doesn't need to be dupok.

For unnamed types and instantiated types, the type descriptor can
be generated in multiple packages and so still need to be dupok.

Change-Id: I92ed68c998ad68c5917b77b1dfd62eac4ced6bcf
Reviewed-on: https://go-review.googlesource.com/c/go/+/394636
Trust: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2022-03-23 16:12:07 +00:00
Cherry Mui 20ba3f5de5 cmd/compile: default to -p=main for main package
With the previous CL the compiler emits an unlinkable object if
the -p flag is not specified. It is actually okay (and convenient)
to omit the -p flag for (just) the main package. This CL makes it
so.

Change-Id: I978d54d14c45b3bb9ed7471e40a2c47f269b56f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/394834
Trust: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2022-03-23 14:57:56 +00:00
Robert Griesemer 1e34c00b4c go/types, types2: remove uses of "type list" and "operational type" (cleanup)
Fixes #49193.

Change-Id: Ief31ea6b3dddf9452efb94763c89b8639aa3ce9e
Reviewed-on: https://go-review.googlesource.com/c/go/+/394656
Trust: Robert Griesemer <gri@golang.org>
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Reviewed-by: Robert Findley <rfindley@google.com>
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2022-03-22 23:20:56 +00:00
Robert Findley fd1b5904ae cmd/compile/internal/importer: key tparams by Package instead of pkgname
The importer type param index used package name type parameter key,
causing type parameters to be reused/overwritten if two packages in the
import graph had the same combination of (name, declaration name, type
parameter name).

Fix this by instead using the *Package in the key.

Fixes #51836

Change-Id: I881ceaf3cf7c1ab4e0835962350feb552e79b233
Reviewed-on: https://go-review.googlesource.com/c/go/+/394219
Trust: Robert Findley <rfindley@google.com>
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Reviewed-by: Robert Griesemer <gri@golang.org>
2022-03-22 21:38:10 +00:00
Rhys Hiltner 212bda0669 runtime/pprof: rerun magnitude test on failure
Restructure TestCPUProfileMultithreadMagnitude so it will run again with
a longer duration on failure. Log the split between the user vs system
CPU time that rusage reports.

For #50232

Change-Id: Ice5b38ee7594dbee1eaa5686d32b968c306e3e85
Reviewed-on: https://go-review.googlesource.com/c/go/+/393934
Run-TryBot: Rhys Hiltner <rhys@justin.tv>
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Reviewed-by: Michael Pratt <mpratt@google.com>
Trust: Michael Knyszek <mknyszek@google.com>
2022-03-22 21:31:40 +00:00
Cherry Mui ac3efc83e6 cmd/link: write output in temp dir in TestUnlinkableObj
For unlinkable object the link will fail, but it opens the output
file in writable mode first then delete it on failure. This fails
if the current directory is not writable. Write to the temporary
directory instead.

Change-Id: Iefd73b5cc8efdc0f11b12edc0920169a8ad3f37c
Reviewed-on: https://go-review.googlesource.com/c/go/+/394755
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-03-22 21:04:24 +00:00
Paul E. Murphy 946167906e runtime: make static/dynamic startup detection work with musl on ppc64le
The glibc loader explicitly sets the first doubleword on the stack (R1)
to $0 to indicate it was dynamically loaded.

An ELFv2 ABI compliant loader will set R3/R4 to argc/argv when starting
the process, and R13 to TLS. musl is not compliant. Instead it passes
argc/argv like the kernel, but R3/R4 are in an undefined state and R13
is valid.

With the knowledge above, the startup code can be modified to
dynamically handle all three cases when linked internally.

Fixes #51787

Change-Id: I5de33862c161900d9161817388bbc13a65fdc69c
Reviewed-on: https://go-review.googlesource.com/c/go/+/394654
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
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Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
2022-03-22 20:56:39 +00:00
eric fang 817d6ea2b3 runtime: delete useless TPIDR macro on arm64
The TPIDR macro in tls_arm64.h is not used anywhere, so remove it
to reduce confusion.

Change-Id: I04aa5e64ee30753f28f43bc67b44559d81d093c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/373357
Trust: Eric Fang <eric.fang@arm.com>
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Reviewed-by: Michael Pratt <mpratt@google.com>
2022-03-22 20:46:22 +00:00
Cherry Mui 77680a0644 cmd/link: simplify content hashed symbol handling
Symbol's content hash used to depend on package path expansion in
symbol names, so we have special logic handling hashed symbols
when path expansion is needed. As we required -p in the compiler
the symbol names are now fully expanded. Remove that logic.

Change-Id: I888574f63ea3789455d96468a6abd500e0958230
Reviewed-on: https://go-review.googlesource.com/c/go/+/394218
Trust: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
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2022-03-22 19:39:12 +00:00
Cherry Mui e853464055 cmd/compile, cmd/link: produce unlinkable object when compile without -p
CL 391014 requires the compiler to be invoked with the -p flag, to
specify the package path. People are used to run "go tool compile"
from the command line with the -p flag. This is mostly for simple
testing, or debugging the compiler. The produced object file is
almost never intended to be linked.

This CL makes the compiler allow "go tool compile" without the -p
flag again. It will produce an unlinkable object. If the linker
sees such an object it will error out.

Change-Id: I7bdb162c3cad61dadd5c456d903b92493a3df20f
Reviewed-on: https://go-review.googlesource.com/c/go/+/394217
Trust: Cherry Mui <cherryyz@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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2022-03-22 19:38:35 +00:00
Austin Clements 63ea27e9e0 cmd/compile: add short self-link to ABI spec
This makes the short link discoverable.

Change-Id: I9a2f091652bc096feebbbd79a854aa68efe702bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/394634
Trust: Austin Clements <austin@google.com>
Reviewed-by: Eli Bendersky‎ <eliben@golang.org>
2022-03-22 16:51:29 +00:00
Ben Shi 38707059ab A+C: change email of Ben Shi (individual CLA)
Change-Id: Icff75d5fbbeae7aa5003a848ea49b79ddde9933a
GitHub-Last-Rev: 489a69fc6b
GitHub-Pull-Request: golang/go#51869
Reviewed-on: https://go-review.googlesource.com/c/go/+/394595
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
2022-03-22 16:02:31 +00:00
hopehook eca0d44cec net/http: fix nil body causing ParseMultipartForm to panic
ParseMultipartForm relies on a valid multipartReader, if the request body is nil,
the multipartReader should return an error. This way ParseMultipartForm can return
an error instead of causing mr.ReadForm(maxMemory) to panic

Fixes #48206

Change-Id: Ief906f2340c7ab29cacbd5f56892117202a0b911
Reviewed-on: https://go-review.googlesource.com/c/go/+/384454
Trust: Damien Neil <dneil@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Trust: Brad Fitzpatrick <bradfitz@golang.org>
2022-03-22 15:16:23 +00:00
Ian Lance Taylor 96567fb3cc os: skip TestOpenFileLimit on openbsd/mips64
For #46279
For #51713

Change-Id: I444f309999bf5576449a46a9808b23cf6537e7dd
Reviewed-on: https://go-review.googlesource.com/c/go/+/394094
Trust: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Joel Sing <joel@sing.id.au>
2022-03-22 14:34:01 +00:00
Cherry Mui 42d2d5e2b5 cmd/link: delete oReader.flags
Same information is provided from the fields of the embedded
goobj.Reader, and are accessed through it. Delete the flags field.

Change-Id: I7a4f5dca054e567443d719b2931fceff231d6efc
Reviewed-on: https://go-review.googlesource.com/c/go/+/394216
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
2022-03-22 14:16:25 +00:00
Robert Findley 2da1e47fb0 go/types, types: add additional generic cases for the Selections API
Change-Id: Icc5240db7447846061d0d81f5e15f788758d4d64
Reviewed-on: https://go-review.googlesource.com/c/go/+/393372
Trust: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
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2022-03-22 13:07:38 +00:00
Byoungchan Lee a8f019e956 cmd/link: add DT_NEEDED for all 64-bit ELF dynimplib
Also change the relevant test to be tested on the linux-arm64 platform
as well.

Fixes #49789

Change-Id: Id2eac7a45279f037957442862f8ed63838b8e929
Reviewed-on: https://go-review.googlesource.com/c/go/+/366855
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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2022-03-22 10:00:16 +00:00
Jakub Ciolek 86c8075675 runtime: combine wbuf checks in tryGetFast and putFast
Less text and improves codegen a bit.

compilecmp on ARM64:

runtime
(*gcWork).putFast 160 -> 144  (-10.00%)
(*gcWork).tryGetFast 144 -> 128  (-11.11%)
scanobject 784 -> 752  (-4.08%)
greyobject 800 -> 784  (-2.00%)

AMD64:

runtime
greyobject 765 -> 748  (-2.22%)
(*gcWork).tryGetFast 102 -> 85  (-16.67%)
scanobject 837 -> 820  (-2.03%)
(*gcWork).putFast 102 -> 89  (-12.75%)

Change-Id: I6bb508afe1ba416823775c0bfc08ea9dc21de8a3
Reviewed-on: https://go-review.googlesource.com/c/go/+/393754
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Michael Knyszek <mknyszek@google.com>
2022-03-21 22:42:59 +00:00
Robert Griesemer 4b6debaf28 cmd/gofmt: don't descend into /testdata directories in tests (fix long builders)
Now that the go/types and types2 test files end in .go we must
avoid trying to format them as that won't work in general.

Change-Id: I05fdd95a0d26cbe746f6d618b22b48dc1f1ea749
Reviewed-on: https://go-review.googlesource.com/c/go/+/394295
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
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2022-03-21 22:33:09 +00:00
Robert Findley 4a46e6e44c go/types, types2: add an assertion that named type origin is idempotent
For #46794

Change-Id: I19edc19640a2dfa6bc7504dd8e1742a261ba29f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/393368
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
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2022-03-21 22:07:20 +00:00
Matthew Dempsky adae6ec542 cmd/compile: replace Type.OrigSym with Type.OrigType
First law of cmd/compile frontend development: thou shalt not rely on
types.Sym.

This CL replaces Type.OrigSym with Type.OrigType, which semantically
matches what all of the uses within the frontend actually care about,
and avoids using types.Sym, which invariably leads to mistakes because
symbol scoping in the frontend doesn't work how anyone intuitively
expects it to.

Fixes #51765.

Change-Id: I4affe6ee0718103ce5006ab68aa7e1bb0cac6881
Reviewed-on: https://go-review.googlesource.com/c/go/+/394274
Trust: Matthew Dempsky <mdempsky@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>
Reviewed-by: Keith Randall <khr@golang.org>
2022-03-21 21:57:24 +00:00
Robert Griesemer 29866aa2b6 go/types, types2: remove predecl. test functions from ordinary tests
The type checker implements additional built-in functions (assert
and trace) that are useful for debugging. Only permit them in
manual tests (go test -run Manual), not for other tests where they
are not needed.

Change-Id: Idc7723d9e3f6b2c27769b34743561e9d0339565c
Reviewed-on: https://go-review.googlesource.com/c/go/+/393659
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:57 +00:00
Robert Griesemer 4dc5553930 go/types, types2: rename testfile suffixes from .src to .go
Also, manually renamed some irregularly numbered files to
make their file names more regular.

With this rename, all test files now end uniformly in .go.

go fmt doesn't descend into testdata directories, so this
is fine and makes all test files behave like regular .go
files in editors with Go language support.

Change-Id: I3abde32c35c494b94b17787788cd3d7e35662296
Reviewed-on: https://go-review.googlesource.com/c/go/+/393658
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:53 +00:00
Robert Griesemer 82b810f79c go/types, types2: rename testfile suffixes from .go2 to .go
We don't need the distinction anymore.
Also, made corresponding adjustments to check_test.go.

Change-Id: I3c9a768c16a251d76bc6b3ebabd37822773e4ef5
Reviewed-on: https://go-review.googlesource.com/c/go/+/393657
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:48 +00:00
Robert Griesemer 101d14e3b3 go/types, types2: use new flag mechanims to handle importC test
Change-Id: I6f0cb850ee23184380c03a53c12425c350aa16e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/393714
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:43 +00:00
Robert Griesemer 3395f74d86 go/types, types2: implement flexible flag-setting mechanism for tests
Use it so set the language version. Adjust relevant tests.

Fixes #49074.

Change-Id: Ida6d0002bdba65b5add6e8728a1700305de18351
Reviewed-on: https://go-review.googlesource.com/c/go/+/393514
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:39 +00:00
Robert Griesemer 6be52abfa1 go/types, types2: remove mechanism to exclude tests for unified build
The unified build will become the norm and the excluded tests run now.

Change-Id: I0f0873eb73483a4f04736d167d2eb796ee8a857b
Reviewed-on: https://go-review.googlesource.com/c/go/+/393438
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2022-03-21 19:10:35 +00:00
Robert Griesemer f2cdc6d167 go/types, types2: improved tracing output throughout (debugging support)
This change fine-tunes tracing output and adds additional
descriptions for delayed actions that were missing tracing.

Change-Id: Ib5e70e8f40ef564194cdb0e8d12c38e15388b987
Reviewed-on: https://go-review.googlesource.com/c/go/+/387919
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:30 +00:00
Robert Griesemer 7751883379 go/types, types2: ensure we have a fully resolved type in validType
This addresses a situation where Named.fromRHS is nil which
is causing validType to panic when the debug flag is set.

Change-Id: Ie1af3f4d412efc2ce2ee7707af5375ed130a1f2a
Reviewed-on: https://go-review.googlesource.com/c/go/+/393436
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:26 +00:00
Robert Griesemer 5df3f491ac go/types, types2: better error msg when using fallthrough in type switch
Fixes #51533.

Change-Id: Ia41a2e96d1ef94f740887e3167e6396e4f52035c
Reviewed-on: https://go-review.googlesource.com/c/go/+/392759
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:22 +00:00
Robert Griesemer efbff6e43b go/types, types2: re-enable panic if unification stack-overflows
With all the unification/type-inference fixes in place now, we
should not see stack overflows anymore. Re-enable the panic if
we do overflow, so we can address those issues should they arise.

Fixes #51377.

Change-Id: Ied64435ea5936811504cb30bda1126c7d85980f8
Reviewed-on: https://go-review.googlesource.com/c/go/+/392755
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:16 +00:00
Robert Griesemer 3ebb1720d9 go/types, types2: alias type declarations may refer to constraint types
Fixes #51616.

Change-Id: I388a6d91d9bfe5410b5eb32e1606257ec668d618
Reviewed-on: https://go-review.googlesource.com/c/go/+/392715
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:10 +00:00
Robert Griesemer 63c7614fd0 go/types, types2: factor out isInterface(x) && !isTypeParam(x) (cleanup)
Fixes #51581.

Change-Id: I3232428edd7dd86f2930af950fb5841f7394c4e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/391834
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-03-21 19:10:06 +00:00
Matthew Dempsky 79103faf2d cmd/compile/internal/types: remove Sym.Block and Sym.Lastlineno
These fields were used for tracking the last scope/position that an
identifier was declared, so that we could report redeclaration
errors. However, redeclaration errors are now diagnosed by types2 (and
typecheck.Redeclared was removed in CL 388537), so these fields can be
safely pruned.

Updates #51691.

Change-Id: Ifd5ea3f6795fadb420913298d59287c95e4669a1
Reviewed-on: https://go-review.googlesource.com/c/go/+/394276
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
2022-03-21 18:58:42 +00:00
Dmitri Shuralyov d8ce7ae491 build: force GOWORK=off in make.{bash,bat,rc}
While building Go from source, workspace mode should be disabled,
even if the external environment tries to configure it otherwise.

Fixes #51558.

Change-Id: Icd7577860271f59a8f94406214b111280e4b65b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/393879
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
2022-03-21 18:58:34 +00:00
Meng Zhuo b9d6cea501 cmd/link: set alignment of compressed section based on arch
The ELF compression header(Chdr) has Addralign field that is set to the
alignment of the uncompressed section which makes section able to have
a different alignment than the decompressed section. However `file` and
other tools require both Chdr.Addralign and Addralign to be equal.

Ref https://sourceware.org/bugzilla/show_bug.cgi?id=23919
Related #42136

Fixes #51769

Change-Id: I3cf99dbd2359932576420a3c0d342c7e91b99227
Reviewed-on: https://go-review.googlesource.com/c/go/+/393916
Trust: mzh <mzh@golangcn.org>
Reviewed-by: Alessandro Arzilli <alessandro.arzilli@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Fangrui Song <maskray@google.com>
2022-03-21 18:29:06 +00:00
Cherry Mui b810a74da3 internal/abi, internal/buildcfg: always enable register ABI on PPC64
In last cycle we developed register ABI for ARM64, enabled by
default as a GOEXPERIMENT. This cycle we turn it on all the time.
Later CLs will clean up fallback code.

Change-Id: Idac4dcff634791cbc3d30988052ecd742b55ab8b
Reviewed-on: https://go-review.googlesource.com/c/go/+/394214
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2022-03-21 18:28:30 +00:00
Cherry Mui 0aaa55526e cmd/vendor: update golang.org/x/tools to c717623e31
To pick up CL 394234.

Done by
	go get -d golang.org/x/tools@c717623e3197
	go mod tidy
	go mod vendor

Change-Id: Ic67a7deb9a22b2679eec895210168f698d8d05eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/394275
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
2022-03-21 18:28:15 +00:00