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Merge List:
+ 2021-09-20 b0fa2f5b09 cmd/compile: fix ExampleInfo output
Change-Id: Iccc726a8925082688faa94d07b829a5705f58dda
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Move the "TODO" to outside of the function so that the "Output" comment
block is the last comment block. Output is only checked when it is the
last comment block. See golang/go#48362 for this issue.
Fixes: golang/go#48494
Change-Id: I7a31d7c13710e58fa876c96240a927a9bb8273ad
Reviewed-on: https://go-review.googlesource.com/c/go/+/350995
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: David Chase <drchase@google.com>
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This now includes the fix in CL 350729, which means
we no longer need to skip the test in dev.fuzz.
Conflicts:
- src/cmd/compile/internal/noder/unified_test.go
Merge List:
+ 2021-09-20 af72ddfcd7 cmd/compile: extend dump-to-file to handle "genssa" (asm) case.
+ 2021-09-20 3c764babe7 cmd/go: write go.mod requirements more consistently for go 1.17+
+ 2021-09-20 6268468e02 cmd/link: generate DIE for types referenced only through dictionaries
+ 2021-09-20 6acac8b685 cmd/compile: delay all transforms for generic funcs/methods
+ 2021-09-20 988f18d61d go/types: export Named._Orig as Named.Origin
+ 2021-09-20 b6dddaccd7 cmd/compile: fix transform.AssignOp to deal with tricky case
+ 2021-09-20 9e60c37147 cmd/compile: document register-based ABI for ppc64
+ 2021-09-20 79159f2e83 cmd/compile: fix simplification rules on arm/arm64
+ 2021-09-20 eff27e858b cmd/compile: ensure constant shift amounts are in range for arm
+ 2021-09-20 9ebe7c8ec6 go/test: add a test for issue 48344
+ 2021-09-20 6f35430faa cmd/compile: allow rotates to be merged with logical ops on arm64
+ 2021-09-20 2d9b486420 cmd/compile: update doc at top of iexport.go on the changes for typeparams
+ 2021-09-20 a81b0dc6ee cmd/compile: rename instType -> instanceType
+ 2021-09-20 119213566a cmd/cgo: remove hardcoded '-pie' ldflag for linux/arm
+ 2021-09-20 a83a558733 cmd/compile: fix export/import of range loop.
+ 2021-09-19 315dbd10c9 cmd/compile: fold double negate on arm64
+ 2021-09-19 83b36ffb10 cmd/compile: implement constant rotates on arm64
+ 2021-09-19 771b8ea4f4 cmd/compile: fix missing markHiddenClosureDead in deadcode pass
+ 2021-09-18 c894b442d1 net/rpc: remove warnings on incompatible methods at registration
+ 2021-09-17 4b654c0eec cmd/compile: SSA ".this" variable
+ 2021-09-17 f01721efb9 cmd/compile: remove self copies in tail-call wrappers
+ 2021-09-17 163871feb1 time: re-add space-padded day of year to docs
+ 2021-09-17 ac7c34767d time: support fractional timezone minutes in MarshalBinary
+ 2021-09-17 07b30a4f77 cmd/compile: delay transformAssign if lhs/rhs have typeparam
+ 2021-09-17 c10b980220 cmd/compile: restore tail call for method wrappers
+ 2021-09-17 50e4508269 cmd/compile: fix import/export of Init and Def fields.
+ 2021-09-17 3fa35b5f97 go/types: ensure that we always get a new signature in expandNamed
+ 2021-09-17 3fa7dbeff5 cmd/go: fix GOARCH value in GOAMD64 docs
+ 2021-09-17 974b0166d6 syscall: implement Pipe using pipe2 syscall on all linux platforms
+ 2021-09-17 1a49dcb82f syscall: remove //sysnb comment generating Setreuid for linux/arm64
+ 2021-09-17 cea7a71d40 cmd/compile: fix generic type handling in crawler
+ 2021-09-17 74e384f50d internal/poll: inject a hook into the runtime finalizer to count the closed pipes
+ 2021-09-17 323c6f74d3 log: don't format if writing to io.Discard
+ 2021-09-17 7f36ef0aff cmd/compile/internal/noder: hide TestUnifiedCompare behind -cmp flag
+ 2021-09-17 70493b3eb0 runtime/cgo: save and restore X3 (aka GP) for crosscall1 on riscv64
+ 2021-09-17 6d02ce8584 runtime: fix prettyprinting of parametric types in gdb
+ 2021-09-17 6602c86a38 cmd/internal/obj/riscv: improve instruction validation
+ 2021-09-17 14e812bfc5 syscall: do not use handle lists on windows when NoInheritHandles is true
+ 2021-09-16 8d2a9c32a2 all: remove incorrectly repeated words in comments
+ 2021-09-16 af9da137a9 A+C: update name to real name and add to AUTHORS
+ 2021-09-16 265b59aefd cmd/cgo: for godefs, don't let field prefix removal cause duplicates
+ 2021-09-16 4efdaa7bc7 testing: skip panics when picking the line number for decoration
+ 2021-09-16 e09dcc211a go/types, types2: add an additional shift test case
+ 2021-09-16 5402b4376c spec: fix incorrect type in a shift example
+ 2021-09-16 d09e09bc61 cmd/compile: fixing writebarrier.go for -G=3
+ 2021-09-16 bcdc61d830 cmd/compile: preserve statements better in expandCalls
+ 2021-09-16 48e2b1ea91 cmd/compile: fix LocResults formatting
+ 2021-09-16 b1bedc0774 cmd/go: add GOAMD64 environment variable
+ 2021-09-16 04f5116c98 cmd/go: clean paths before checking same directory
+ 2021-09-16 e7dbe3908e cmd/cgo: add missing tab in exports for a result of void
+ 2021-09-15 cfa233d76b cmd/compile: remove unneeded early transforms, with dictionary change
+ 2021-09-15 59a9a035ff cmd/compile: switch to computing dict format on instantiated functions
+ 2021-09-15 0edc6c4fa0 cmd/internal/obj/ppc64: generate prologue code compatible with new ABI
+ 2021-09-15 03df68d3c3 runtime: fix setting of cpu features for amd64
+ 2021-09-15 6196979365 cmd/go/internal/modload: prevent tidy downgrading disambiguating modules
+ 2021-09-15 72bb8185b5 cmd/compile: emit DWARF info about dictionary entries
+ 2021-09-15 5b48fca1fa cmd/compile: mark wrapper functions with DW_AT_trampoline
+ 2021-09-15 e4dfd788e6 go/internal/gcimporter,cmd/compile: minor clean-up in iimport.go
+ 2021-09-15 4847c47cb8 cmd/compile/internal/types2: eliminate Named.instPos
+ 2021-09-15 3100f54f20 cmd/compile/internal/types2: merge Named type loading and expansion
+ 2021-09-15 738cebb174 cmd/compile/internal/types2: implement Identical for *Union types
+ 2021-09-15 b26d325cb1 cmd/compile/internal/types2: remove some unnecessary loading/expansion of Named types
+ 2021-09-15 9fc28892cb cmd/compile/internal/types2: export TypeHash, return value without blanks
+ 2021-09-15 2da3375e9b runtime: in adjustTimers back up as far as necessary
+ 2021-09-15 c7f2f51fed cmd/go: remove subcommand prefix from error messages
+ 2021-09-15 0bb40b08c4 go/types: implement Identical for *Union types
+ 2021-09-15 cb4e1de021 go/types: minor cleanup of instantiation
+ 2021-09-15 a0f3129466 go/types: instantiate methods when instantiating Named types
+ 2021-09-14 bf26e43d0f go/types: eliminate Named.instPos
+ 2021-09-14 2933c451a0 go/types: merge Named type loading and expansion
+ 2021-09-14 137543bb93 cmd/compile: set IsShape based on type being in the Shapes pkg
+ 2021-09-14 3a72175cdc cmd/compile: fix test/typeparam/mdempsky/4.go for -G=3
+ 2021-09-14 b2c04f0d48 runtime: avoid loop variable capture in test
+ 2021-09-14 181e8cde30 go/internal/gcimporter: remove outdated comment
+ 2021-09-14 8699425b55 syscall: remove use of IN_KUBERNETES in test
+ 2021-09-14 b3c6de9dcd cmd/internal/obj/ppc64: allow VR register arguments to VS registers
+ 2021-09-14 ee91bb8319 cmd/compile: prevent typecheck importer reading type parameter twice
+ 2021-09-14 2953cd0083 go/internal/gcimporter: prevent importReader reading type parameter twice
+ 2021-09-14 b8c802b116 cmd/compile: prevent importReader reading type parameter twice
+ 2021-09-14 4a4221e818 all: remove some unused code
+ 2021-09-14 71adc658de runtime: change time.now to ABIInternal
+ 2021-09-14 146e8d4994 reflect: use Value.Len instead of conversion to slice header
+ 2021-09-13 9a58aa267e spec: fix prose about terminating statements
+ 2021-09-13 42057e9848 cmd/compile: save the note of fields when translating struct
+ 2021-09-13 960d036f8f cmd/go: add missing parenthesis in a call to "PrintVersion"
+ 2021-09-13 81a4fe6fd2 cmd/link/internal/ld: re-enable DWARF tests on solaris/illumos
+ 2021-09-13 f93a63addb reflect: add a floating point section to DeepEqual tests
+ 2021-09-13 a0c409cbc8 reflect: add fast paths for common, simple Kinds to DeepEqual
+ 2021-09-13 ac40c9872f reflect: fix _faststr optimization
+ 2021-09-13 c8a58f29dc cmd/go: add test to check for a potential workspace loading issue
+ 2021-09-13 e74e363a6b strings: add Clone function
+ 2021-09-13 bced369a50 cmd/link: minor code cleanup in dwarf gen
+ 2021-09-13 c3b217a0e5 cmd/go: document 'go install cmd@version' ignores vendor directories
+ 2021-09-12 ad97d204f0 go/types: remove some unnecessary loading/expansion of Named types
+ 2021-09-12 0d8a4bfc96 bufio: add Writer.AvailableBuffer
+ 2021-09-11 23832ba2e2 reflect: optimize for maps with string keys
+ 2021-09-11 a50225a0dc bufio: make Reader.Reset and Writer.Reset work on the zero value
+ 2021-09-10 cf2fe5d6f1 doc/asm: fix HTML markup
+ 2021-09-10 1bf2cd1291 debug/elf: retain original error message when getSymbols fails.
+ 2021-09-10 5a4b9f9494 time: reference -tags=timetzdata in testing panic
+ 2021-09-10 025308fe08 testing: increase alternation precedence
+ 2021-09-10 5a94a90d84 cmd/compile/internal/types2: better error message for invalid array decls
+ 2021-09-10 da1aa65053 cmd/compile/internal/syntax: correct follow token for type parameter lists
+ 2021-09-10 96ab854ab0 cmd/compile/internal: better AST line highlight in ssa.html
+ 2021-09-10 90c5660616 embed: guarantee the returned file of FS.Open implements io.Seeker
+ 2021-09-10 c69f5c0d76 cmd/compile: add support for Abs and Copysign intrinsics on riscv64
+ 2021-09-10 2091bd3f26 cmd/compile: simiplify arm64 bitfield optimizations
+ 2021-09-09 b32209d22d cmd/compile: fix test case for unified IR (fix build)
+ 2021-09-09 1a708bcf1d cmd/compile: don't crash while reporting invalid alias cycle
+ 2021-09-09 426ff3746f cmd/cgo, runtime/cgo: avoid GCC/clang conversion warnings
+ 2021-09-09 73483df406 cmd/compile/internal/syntax: better error message for missing type constraint
+ 2021-09-09 e1c3f2158f time: propagate "," separator for fractional seconds into Format
+ 2021-09-09 c981874a5a cmd/compile: fix implement for closure in a global assignment
+ 2021-09-09 2c4f389c02 cmd/link: enable internal linker in more cases for ppc64le
+ 2021-09-09 fb84e99eb7 test: add compiler regress tests for #46461
+ 2021-09-09 b9e1a24581 cmd/compile: fix case where init info of OAS node is dropped
+ 2021-09-09 f9271e4f85 go/types, types2: rename RParams -> RecvTypeParams
+ 2021-09-09 ea434450c2 reflect: add hooks for dealing with narrow width floats
+ 2021-09-09 a53e3d5f88 net: deprecate (net.Error).Temporary
+ 2021-09-09 19457a58e5 cmd/compile: stenciled conversions might be NOPs
+ 2021-09-09 a295b3cec8 test: re-enable AsmCheck tests for types2-based frontends
+ 2021-09-09 66f0d35f71 go/types: reduce number of delayed functions
+ 2021-09-09 d2a77f1c76 go/types: handle recursive type parameter constraints
+ 2021-09-09 9e1eea6f8b go/types: detect constraint type inference cycles
+ 2021-09-09 b86e8dd0f3 test/typeparam: fix issue48094b test build
+ 2021-09-09 c84f3a4004 syscall: drop fallback to pipe in Pipe on linux/arm
+ 2021-09-09 376a079762 cmd/compile: fix unified IR panic when expanding nested inline function
+ 2021-09-09 6edc57983a internal/poll: report open fds when TestSplicePipePool fails
+ 2021-09-09 2481f6e367 cmd/compile: fix wrong instantiated type for embedded receiver
+ 2021-09-09 d62866ef79 cmd/compile: move checkptr alignment to SSA generation
+ 2021-09-09 8fad81cd62 cmd/compile: fold handling OCONV logic to separate function
+ 2021-09-09 9cbc76bdf9 cmd/internal/obj/arm64: add checks for incorrect use of REGTMP register
+ 2021-09-09 42563f89d7 cmd/compile: remove 'ext' fields from unified IR reader/writer types
+ 2021-09-09 4c52eac49b cmd/compile: simplify value coding for unified IR
+ 2021-09-09 e30a09013b cmd/compile: extrapolate $GOROOT in unified IR
+ 2021-09-08 a1f6208e56 go/types, types2: add Environment to Config
+ 2021-09-08 f5f8a911d8 cmd/compile/internal/types2: spell out 'Type' in type parameter APIs
+ 2021-09-08 bff39cf6cb cmd/compile: add automated rewrite cycle detection
+ 2021-09-08 b61e1ed863 cmd/compile/internal/types2: temporarily pin the Checker to Interface during checking
+ 2021-09-08 47f3e1e02c cmd/compile/internal/types2: move NewTypeParam off of Checker
+ 2021-09-08 ccc927b8f6 cmd/compile/internal/types2: move typeHash to environment.go
+ 2021-09-08 30e9bfbcef cmd/compile/internal/types2: implement deduplication of instances using the Environment
+ 2021-09-08 0406d3a8e5 go/ast: rename MultiIndexExpr to IndexListExpr
Change-Id: I7f917d45b0507c122c212305144b0b455618ff54
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Extend the existing dump-to-file to also do assembly output
to make it easier to write debug-information tests that check
for line-numbering in particular orders.
Includes POC test (which is silent w/o -v):
go test -v -run TestDebugLines cmd/compile/internal/ssa
=== RUN TestDebugLines
Preserving temporary directory /var/folders/v6/xyzzy/T/debug_lines_test321
About to run (cd /var/folders/v6/xyzzy/T/debug_lines_test321; \
GOSSADIR=/var/folders/v6/xyzzy/T/debug_lines_test321 \
/Users/drchase/work/go/bin/go build -o foo.o \
'-gcflags=-N -l -d=ssa/genssa/dump=sayhi' \
/Users/drchase/work/go/src/cmd/compile/internal/ssa/testdata/sayhi.go )
Saw stmt# 8 for submatch '8' on dump line #7 = ' v107 00005 (+8) MOVQ AX, "".n(SP)'
Saw stmt# 9 for submatch '9' on dump line #9 = ' v87 00007 (+9) MOVUPS X15, ""..autotmp_2-32(SP)'
Saw stmt# 10 for submatch '10' on dump line #46 = ' v65 00044 (+10) MOVUPS X15, ""..autotmp_2-32(SP)'
Saw stmt# 11 for submatch '11' on dump line #83 = ' v131 00081 (+11) MOVQ "".wg+8(SP), AX'
--- PASS: TestDebugLines (4.95s)
PASS
ok cmd/compile/internal/ssa 5.685s
Includes a test to ensure that inlining information is printed correctly.
Updates #47880.
Change-Id: I83b596476a88687d71d5b65dbb94641a576d747e
Reviewed-on: https://go-review.googlesource.com/c/go/+/348970
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
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Until we have a system for managing load across multiple fuzz targets
in multiple test executables, we'll only support fuzzing one target in
one package at a time. Users can still run multiple 'go test -fuzz'
commands concurrently, but this may overwhelm some systems unless
-parallel and -p are set carefully.
For #46312
Change-Id: If84c58d1b3e60498ce955eae5ad4d52100dbd4b7
Reviewed-on: https://go-review.googlesource.com/c/go/+/350156
Trust: Jay Conrod <jayconrod@google.com>
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
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If go.mod declares 1.17 or higher, when the go command rewrites go.mod
(for example, after 'go mod tidy'), it will be more consistent about
moving requirements in two blocks, one containing only direct
requirements, and one containing only indirect requirements.
The go command will not move requirements into or out of a block with
comments. It may still update versions and "// indirect" comments, and
it may delete unneeded requirements though.
Fixes #47563
Fixes #47733
Change-Id: Ia6fb3e302be53097893abf01aa7cea60ac7b069a
Reviewed-on: https://go-review.googlesource.com/c/go/+/343432
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
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Generate debug_info entries for types that are only referenced through
dictionaries.
Change-Id: Ic36c2e6d9588ec6746793bb213c2dc0e17a8a850
Reviewed-on: https://go-review.googlesource.com/c/go/+/350532
Run-TryBot: Alessandro Arzilli <alessandro.arzilli@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Trust: Dan Scales <danscales@google.com>
Trust: David Chase <drchase@google.com>
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This change cleans up the code, by just delaying all transforms on
generic function methods/functions until stenciling time. That way, we
don't have extra code to decide whether to delay, or an extra value for
the typecheck flag. We are already doing all possible transforms at
stencil time anyway, so no changes to the stenciling code.
transform.go includes a change for one case where we check for shape
rather than tparam, now that we only apply transforms to stenciled
functions, not generic functions. This change is to allow CONVIFACE node
to be correctly inserted (needed for dictionaries), even with this
strange code that doesn't add the CONVIFACE node if the concrete type is
NOT huge...
Change-Id: I5f1e71fab11b53385902074915b3ad85f8e753fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/350736
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
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Export the _Orig method for Named types, and rename to Origin. As
discussed in #47916, Orig is easily confused with Original, which is
not as good a name. Spelling out 'Origin' resolves the ambiguity.
Updates #47916
Change-Id: I377c73de82310d3f6aa0bd82dddcd60ee067155b
Reviewed-on: https://go-review.googlesource.com/c/go/+/350996
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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When going to dictionary formats derived from the function
instantiations, I had broken out noder.Assignop() to deal specially with
shape types, but didn't quite get the tricky case right. We still need
to allow conversion between shape types, but if the destination is an
interface, we need to use CONVIFACE rather than CONVNOP.
Fixes #48453.
Change-Id: I8c4b39c2e628172ac34f493f1dd682cbac1e55ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/350949
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Dan Scales <danscales@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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possible"
This reverts commit 413c125da38990720744c0d98ab65c0d5b1602da.
Reason for revert: Giving this more thought, we've decided that
converting types under the hood may cause unexpected behavior to
users. This is a feature that can always be added after more
consideration has been done, but is not something that can be
removed due to the backwards compatibility promise.
Updates golang/go#45593
Change-Id: I79bab24979d7e4c294e6cb6455d4c7729d6a0efb
Reviewed-on: https://go-review.googlesource.com/c/go/+/350251
Trust: Katie Hockman <katie@golang.org>
Trust: Joe Tsai <joetsai@digital-static.net>
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
Reviewed-by: Joe Tsai <joetsai@digital-static.net>
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Fixes golang/go#46219
Change-Id: I7b32707d490c046d15324a3d297ec8d9f45b6e36
Reviewed-on: https://go-review.googlesource.com/c/go/+/350269
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Julie Qiu <julie@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
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This adds the ppc64 information to the ABI doc.
Change-Id: I55ce77a59a8b50309d02e3e0de0cea3fc62ad003
Reviewed-on: https://go-review.googlesource.com/c/go/+/342869
Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Fixes #48473
Change-Id: Ic1e918f916eae223a3b530a51a58f03031924670
Reviewed-on: https://go-review.googlesource.com/c/go/+/350913
Trust: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Ensure constant shift amounts are in the range [0-31]. When shift amounts
are out of range, bad things happen. Shift amounts out of range occur
when lowering 64-bit shifts (we take an in-range shift s in [0-63] and
calculate s-32 and 32-s, both of which might be out of [0-31]).
The constant shift operations themselves still work, but their shift
amounts get copied unmolested to operations like ORshiftLL which use only
the low 5 bits. That changes an operation like <<100 which unconditionally
produces 0, to <<4, which doesn't.
Fixes #48476
Change-Id: I87363ef2b4ceaf3b2e316426064626efdfbb8ee3
Reviewed-on: https://go-review.googlesource.com/c/go/+/350969
Trust: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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This was fixed by https://go-review.googlesource.com/c/go/+/349613
and https://go-review.googlesource.com/c/go/+/349614
Fixes #48344
Change-Id: I4c62109fd34b20566b07fcca87fb3946a5702fef
Reviewed-on: https://go-review.googlesource.com/c/go/+/350309
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
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Fixes #48002
Change-Id: Ie3a157d55b291f5ac2ef4845e6ce4fefd84fc642
Reviewed-on: https://go-review.googlesource.com/c/go/+/350912
Trust: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Add in the documentation of the new declarations and type descriptors to
support parameterized functions and types.
Change-Id: Ia21c544caa704309cc8fd639f104c192e1786b72
Reviewed-on: https://go-review.googlesource.com/c/go/+/350951
Trust: Dan Scales <danscales@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
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This is to keep in alignment with the naming in go/types.
Change-Id: I19ded29b39665d7b892fdbc8e92c7f15caf7ab66
Reviewed-on: https://go-review.googlesource.com/c/go/+/350950
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Dan Scales <danscales@google.com>
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a minimally invasive fix proposal for #45940. which keeps the fix for #26197.
an alternative for (#26197) could be to fail if we have both flags. adding/removing a flag without an message to the user is inconvenient.
Change-Id: I6ac2524d81ff57202fbe3032a53afd5106270a9e
GitHub-Last-Rev: edaf02fa455329b5d794a139f99874b5e8cc12d1
GitHub-Pull-Request: golang/go#45989
Reviewed-on: https://go-review.googlesource.com/c/go/+/317569
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Bryan C. Mills <bcmills@google.com>
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As with other recent issues, the Init field of a range loop was not
being handled properly. Generally, it is much better to explicitly
import/export the Init statements, else they are incorrectly added
before the associated node, rather than as the Init value of the node.
This was causing labels to not be correctly added to the range loop that
it is immediately preceding.
Made the ORANGE handling completely similar to the OFOR handling.
Fixes #48462
Change-Id: I999530e84f9357f81deaa3dda50660061f710e7c
Reviewed-on: https://go-review.googlesource.com/c/go/+/350911
Run-TryBot: Dan Scales <danscales@google.com>
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Trust: Dan Scales <danscales@google.com>
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Fixes #48467
Change-Id: I52305dbf561ee3eee6c1f053e555a3a6ec1ab892
Reviewed-on: https://go-review.googlesource.com/c/go/+/350910
Trust: Keith Randall <khr@golang.org>
Trust: Josh Bleecher Snyder <josharian@gmail.com>
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Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
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Explicit constant rotates work, but constant arguments to
bits.RotateLeft* needed the additional rule.
Fixes #48465
Change-Id: Ia7544f21d0e7587b6b6506f72421459cd769aea6
Reviewed-on: https://go-review.googlesource.com/c/go/+/350909
Trust: Keith Randall <khr@golang.org>
Trust: Josh Bleecher Snyder <josharian@gmail.com>
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CL 342350 fixed panic with dead hidden closures, by marking discarded
hidden closure as dead, and won't compile them. However, the fix is
incomplete. In case the "if" or "else" block end with panic or return
statement:
if true { return }
# All nodes starts from here are dead
the dead nodes must be processed with markHiddenClosureDead, but they
are not, causing the compiler crashes.
This CL adds that missing part.
Fixes #48459
Change-Id: Ibdd10a61fc6459d139bbf4a66b0893b523ac6b67
Reviewed-on: https://go-review.googlesource.com/c/go/+/350695
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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When registering an RPC server, the type being registered may
have additional methods that are not meant to be exposed as
RPC endpoints. Remove the warnings net/rpc produces in
this case. The functionality to report warnings is kept in the code
with a compile-time constant that can be enabled for debugging.
The documentation of net/rpc states that only methods
satisfying a set of criteria will be made available, while other
methods will be ignored.
Fixes #19957
Change-Id: I5f8a148b4be1fdfffb2cd2029871193eaf24b751
Reviewed-on: https://go-review.googlesource.com/c/go/+/350009
Reviewed-by: Daniel Lublin <daniel@lublin.se>
Reviewed-by: Damien Neil <dneil@google.com>
Trust: Carlos Amedee <carlos@golang.org>
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We used to not SSA ".this" variable, because in tail-call method
wrappers it relies on updating ".this" in place in memory, and
the tail call IR node and SSA op do not have an explicit use of
".this". It is no longer the case for the new tail call
representation. Remove the restriction.
Change-Id: I4e1ce8459adbb0d5a80c64f1ece982737bd95305
Reviewed-on: https://go-review.googlesource.com/c/go/+/350751
Trust: Cherry Mui <cherryyz@google.com>
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The previous CL re-enables tail calls for method wrappers. But
with the changed IR and SSA representation, for stack arguments
it generates self copies. This CL makes the compiler detect the
self copies and remove them.
Change-Id: I7252572a1a47834f28b6706e45906e2356408e02
Reviewed-on: https://go-review.googlesource.com/c/go/+/350349
Trust: Cherry Mui <cherryyz@google.com>
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CL 320252 reworked the time docs, but accidentally deleted the format __2
from the sentence describing the three-character day of year component.
Change-Id: I3f583733028657c2a677358a25e062ea81835ce8
GitHub-Last-Rev: 2fa98324191500fd6a37097a9712ae23cc509269
GitHub-Pull-Request: golang/go#48387
Reviewed-on: https://go-review.googlesource.com/c/go/+/349929
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
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If the time is in 'LMT' and has fractional minute, then
`MarshalBinary()` and `UnmarshalBinary()` will encode/decode the time
in `timeBinaryVersionV2` in which the fractional minute is at
bit 15 and 16, and presented in seconds.
Fixes #39616
Change-Id: Ib762fb5fa26f54b1a8377a5dde0b994dd5a1236a
GitHub-Last-Rev: 455d7a2496ba67d4a82890b14d57000e1a8a1415
GitHub-Pull-Request: golang/go#40293
Reviewed-on: https://go-review.googlesource.com/c/go/+/243402
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This also requires that we sometimes delay transformSelect(), if the
assignments in the Comm part of the select have not been transformed.
Fixes #48137
Change-Id: I163aa1f999d1e63616280dca807561b12b2aa779
Reviewed-on: https://go-review.googlesource.com/c/go/+/347915
Trust: Dan Scales <danscales@google.com>
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For certain type of method wrappers we used to generate a tail
call. That was disabled in CL 307234 when register ABI is used,
because with the current IR it was difficult to generate a tail
call with the arguments in the right places. The problem was that
the IR does not contain a CALL-like node with arguments; instead,
it contains an OAS node that adjusts the receiver, than an
OTAILCALL node that just contains the target, but no argument
(with the assumption that the OAS node will put the adjusted
receiver in the right place). With register ABI, putting
arguments in registers are done in SSA. The assignment (OAS)
doesn't put the receiver in register.
This CL changes the IR of a tail call to take an actual OCALL
node. Specifically, a tail call is represented as
OTAILCALL (OCALL target args...)
This way, the call target and args are connected through the OCALL
node. So the call can be analyzed in SSA and the args can be passed
in the right places.
(Alternatively, we could have OTAILCALL node directly take the
target and the args, without the OCALL node. Using an OCALL node is
convenient as there are existing code that processes OCALL nodes
which do not need to be changed. Also, a tail call is similar to
ORETURN (OCALL target args...), except it doesn't preserve the
frame. I did the former but I'm open to change.)
The SSA representation is similar. Previously, the IR lowers to
a Store the receiver then a BlockRetJmp which jumps to the target
(without putting the arg in register). Now we use a TailCall op,
which takes the target and the args. The call expansion pass and
the register allocator handles TailCall pretty much like a
StaticCall, and it will do the right ABI analysis and put the args
in the right places. (Args other than the receiver are already in
the right places. For register args it generates no code for them.
For stack args currently it generates a self copy. I'll work on
optimize that out.) BlockRetJmp is still used, signaling it is a
tail call. The actual call is made in the TailCall op so
BlockRetJmp generates no code (we could use BlockExit if we like).
This slightly reduces binary size:
old new
cmd/go 14003088 13953936
cmd/link 6275552 6271456
Change-Id: I2d16d8d419fe1f17554916d317427383e17e27f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/350145
Trust: Cherry Mui <cherryyz@google.com>
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Change so that the Init and Def fields of assignments and OSELREVC2
nodes are exported/imported properly.
A quirk of iimport.go is that it automatically converts an ODCL node to
an ODCL/OAS sequence (where the OAS is to just zero out the declared
variable). Given that the Inits are properly fixed, o.stmt needs
adjustment for the OSELRECV2 case to skip over the new OAS nodes that
are inserted only on re-import.
Change-Id: Ic38017efca4b7ca9b3952ffbbfca067380902b7a
Reviewed-on: https://go-review.googlesource.com/c/go/+/350809
Run-TryBot: Dan Scales <danscales@google.com>
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CL 349412 introduced a bug when Checker.subst does not return a new
signature: we were still setting the receiver to the instantiated type.
I'm not sure how this could manifest in practice (other than confusing
object strings). It's possible that I could generate a testdata-driven
test for this, but in the interest of time I just added a test to verify
object strings.
Change-Id: I29bc8e1419ddc4574755c3def52d18cb71c738eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/350143
Trust: Robert Findley <rfindley@google.com>
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GOAMD64 is for GOARCH=amd64. Fix the GOAMD64 environment variable docs
introduced by CL 349595.
Change-Id: I794990ebe2e306d21ed275446fc52373bfe4ae7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/350534
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Most architectures currently already implement Pipe using the pipe2
syscall. Only 386, amd64 and mips{,le} still use the pipe syscall.
However, some systems (e.g. Android seccomp policies) block that
syscall, see #40828 for an example.
The pipe2 syscall was added in Linux kernel version 2.6.27. The minimum
required Linux kernel version for Go 1.18 will be changed to 2.6.32
per #45964 so it is possible to unify the implementation of Pipe using
the pipe2 syscall.
For #45964
Change-Id: I8ed6a391300c95f3107b4ec6b27d320e42fb535b
Reviewed-on: https://go-review.googlesource.com/c/go/+/350530
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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CL 210639 moved the //sysnb for Setreuid from syscall_linux_$GOARCH.go
to syscall_linux.go but forgot to remove the comment from
syscall_linux_arm64.go which leads to Setreuid being generated twice for
linux/arm64. Remove that //sysnb comment to avoid this.
Change-Id: I2c8ad95f786530ca964685b0a4fe463c64764307
Reviewed-on: https://go-review.googlesource.com/c/go/+/350531
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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There are a bunch of nodes beside ONAME and OTYPE, (such as OSTRUCTLIT
and OCOMPLIT) which can introduce a generic type that we need to mark.
So, just mark any generic type on any node in markInlBody. In this
particular issue, the type is introduced by an OSTRUCTLIT node.
Updates #48337
Change-Id: I271932518f0c1fb54d91a603e01a855c69df631d
Reviewed-on: https://go-review.googlesource.com/c/go/+/349909
Trust: Dan Scales <danscales@google.com>
Trust: Carlos Amedee <carlos@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
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pipes
Fixes #48066
Change-Id: Icd6974dfcc496c054bb096e5d70de6e135984517
Reviewed-on: https://go-review.googlesource.com/c/go/+/349774
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Fixes #47164
Change-Id: Ied03842360be4c86f1d9ead816f12c057a1f8dad
Reviewed-on: https://go-review.googlesource.com/c/go/+/348741
Trust: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Valentin Deleplace <deleplace@google.com>
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This test is fragile and is starting to impede others' work. This CL
disables it until I have time to either find a solution for the issues
or decide to just delete the test altogether.
Change-Id: Icefabb6d3fbedec5d16536de78be4ca20d63133c
Reviewed-on: https://go-review.googlesource.com/c/go/+/350729
Trust: Matthew Dempsky <mdempsky@google.com>
Trust: Dan Scales <danscales@google.com>
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The C code that is calling crosscall1 may depend on the GP register, which Go code
will currently clobber. Save and restore both X3 (aka GP) and X4 (aka TP) in this
code path (note that the Go code does not currently clobber X4, however there is
minimal downside to saving and restoring it here, which then also matches crosscall2).
Updates #47100
Change-Id: Icbb706d7889d5dc59de3efb2b510fa6ea2069496
Reviewed-on: https://go-review.googlesource.com/c/go/+/334870
Trust: Joel Sing <joel@sing.id.au>
Trust: Meng Zhuo <mzh@golangcn.org>
Reviewed-by: Meng Zhuo <mzh@golangcn.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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golang.org/cl/344929 broke the minimal functionality that the python
pretty printer for GDB had, this change restores it to its status prior
to that CL.
Change-Id: I4c7141d4ff726d224a074ecc533d0f896fc0052c
Reviewed-on: https://go-review.googlesource.com/c/go/+/350529
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Ensure that rs2 is none for various instruction encodings. Fix a couple of cases
where it should have been but is not.
Change-Id: I9f8211a0257e49643dbbc89e158e048050ebe6f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/349649
Trust: Joel Sing <joel@sing.id.au>
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If NoInheritHandles is passed, then we shouldn't attempt to do anything
with handle lists. Otherwise CreateProcess fails with invalid param,
because it's being told both to not inherit handles and to inherit
certain handles.
This commit fixes that by using the same logic for handle lists as it
does for enabling or disabling handle inheritance. It also adds a test
to make sure this doesn't regress again.
Fixes #48040
Change-Id: I507261baeec263091738ab90157a991d917dc92f
Reviewed-on: https://go-review.googlesource.com/c/go/+/350411
Reviewed-by: Patrik Nyblom <pnyb@google.com>
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
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Change-Id: Icbf36e1cd8311b40d18177464e7c41dd8cb1c65b
Reviewed-on: https://go-review.googlesource.com/c/go/+/340350
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Change-Id: I857b0e9aa7d933879239ef7ebc0d1a2812a74c25
Reviewed-on: https://go-review.googlesource.com/c/go/+/343533
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
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Fixes #48396
Change-Id: Idd7cb66536ef513806c472d394a929bc271fc26b
Reviewed-on: https://go-review.googlesource.com/c/go/+/350159
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Fixes #31154
Change-Id: I4cfd98b5e79f1abdc93044fb66855ac2cc0a9a49
Reviewed-on: https://go-review.googlesource.com/c/go/+/345909
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The extra test just confirms that the type-checker internally
agrees with the spec with the (otherwise invisible) type given
to an untyped constant in a specific shift expression.
For #48422.
Change-Id: I6d98045f90bd20b0cc0a96a147bec9701039cb07
Reviewed-on: https://go-review.googlesource.com/c/go/+/350410
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Thanks to @bodar (Github) for finding this.
Fixes #48422.
Change-Id: I031c3d82a02db1d204e2b86b494d89784d37f073
Reviewed-on: https://go-review.googlesource.com/c/go/+/350409
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