Change-Id: Id7d242ddd4b80a763787513d0a658dd7aea9db7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/276454
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Alexander Rakoczy <alex@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
This is a port of CL 278132 from the dev.typeparams branch. A notable
addition is a new error code, since no existing codes made sense and we
have an analogous code for type switches.
Fixes#43110
Change-Id: I22b3f9d8777063223f82785504e8b7d299bc5216
Reviewed-on: https://go-review.googlesource.com/c/go/+/278813
Run-TryBot: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
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Trust: Robert Findley <rfindley@google.com>
Mach-O relocation addend is signed 24-bit. When external linking,
if the addend is larger, we cannot put it directly into a Mach-O
relocation. This CL handles large addend by creating "label"
symbols at sym+0x800000, sym+(0x800000*2), etc., and emitting
Mach-O relocations that target the label symbols with a smaller
addend. The label symbols are generated late (similar to what
we do for RISC-V64).
One complexity comes from handling of carrier symbols, which does
not track its size or its inner symbols. But relocations can
target them. We track them in a side table (similar to what we
do for XCOFF, xcoffUpdateOuterSize).
Fixes#42738.
Change-Id: I8c53ab2397f8b88870d26f00e9026285e5ff5584
Reviewed-on: https://go-review.googlesource.com/c/go/+/278332
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
When testing if a flag (e.g. "-no-pie") is supported by the
external linker, pass arch-specific flags (like "-marm").
In particular, on the ARM builder, if CGO_LDFLAGS=-march=armv6
is set, the C toolchain fails to build if -marm is not passed.
# cc -march=armv6 1.c
1.c: In function 'main':
1.c:3:1: sorry, unimplemented: Thumb-1 hard-float VFP ABI
int main() {
^~~
This makes the Go linker think "-no-pie" is not supported when it
actually is.
Passing -marm makes it work.
Fixes#43202.
Change-Id: I4e8b71f08818993cbbcb2494b310c68d812d6b50
Reviewed-on: https://go-review.googlesource.com/c/go/+/278592
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
The code in the new (introduced in 1.15) Go object file reader was
casting a pointer-mmaped-memory into a large array prior to performing
a read of the relocations section:
return (*[1<<20]Reloc)(unsafe.Pointer(&r.b[off]))[:n:n]
For very large object files, this artificial array isn't large enough
(that is, there are more than 1048576 relocs to read), so update the
code to use a larger artifical array size.
Fixes#41621.
Change-Id: Ic047c8aef4f8a3839f2e7e3594bce652ebd6bd5b
Reviewed-on: https://go-review.googlesource.com/c/go/+/278492
Run-TryBot: Than McIntosh <thanm@google.com>
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Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Trust: Than McIntosh <thanm@google.com>
For #40700.
Change-Id: I67dd55b435304e428929c9a54b8881f9b78efdfb
Reviewed-on: https://go-review.googlesource.com/c/go/+/278392
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
The transponder sets up a deferred close on accepted connections which
is fine after the client reads all data. However there are no mutexes
nor channels to block the transponder from closing. If the scheduler
runs close before the client read, it will cause an EOF failure.
Fixes#42720
Change-Id: Ic21b476c5efc9265a80a2c6f8484efdb5af66405
Reviewed-on: https://go-review.googlesource.com/c/go/+/273672
Run-TryBot: Meng Zhuo <mzh@golangcn.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Meng Zhuo <mzh@golangcn.org>
Reviewed-by: Damien Neil <dneil@google.com>
Microsoft's linker looks at whether all input objects have an empty
section called @feat.00. If all of them do, then it enables SEH;
otherwise it doesn't enable that feature. So, since around the Windows
XP SP2 era, most tools that make PE objects just tack on that section,
so that it won't gimp Microsoft's linker logic. Go doesn't support SEH,
so in theory, none of this really matters to us. But actually, if the
linker tries to ingest an object with @feat.00 -- which are produced by
LLVM's resource compiler, for example -- it chokes because of the
IMAGE_SYM_ABSOLUTE section that it doesn't know how to deal with. Since
@feat.00 is just a marking anyway, skip IMAGE_SYM_ABSOLUTE sections that
are called @feat.00.
Change-Id: I1d7bfcf6001186c53e2c487c5ac251ca65efefee
Reviewed-on: https://go-review.googlesource.com/c/go/+/268239
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
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Reviewed-by: Cherry Zhang <cherryyz@google.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
The gofrontend code sees that the denominator is not zero,
so it computes the values. Dividing zero by a non-zero value
produces zero. The language spec doesn't require any of these
cases to report an error, so make the errors compiler-specific.
Change-Id: I5ed759a3121e38b937744d32250adcbdf2c4d3c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/278117
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Than McIntosh <thanm@google.com>
The bug429 tests is an exact duplicate of TestSimpleDeadlock in the
runtime package. The runtime package is the right place for this test,
and the version in the runtime package will run faster as the build
step is combined with other runtime package tests.
Change-Id: I6538d24e6df8e8c5e3e399d3ff37d68f3e52be56
Reviewed-on: https://go-review.googlesource.com/c/go/+/278173
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
The language spec only requires that floating point values be
represented with 256 bits, which is about 1e75. The issue11371 test
was assuming that the compiler could represent 1e100. Adjusting the
test so that it only assumes 256 bits of precision still keeps the
test valid, and permits it to pass when using the gofrontend.
Change-Id: I9d1006e9adc9438277f4b8002488c912e5d61cc1
Reviewed-on: https://go-review.googlesource.com/c/go/+/278116
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
With the gc compiler the import path implies the package path,
so keeping a canonical path is important. With the gofrontend
this is not the case, so we don't need to report this as a bug.
Change-Id: I245e34f9b66383bd17e79438d4b002a3e20aa994
Reviewed-on: https://go-review.googlesource.com/c/go/+/278115
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
The pattern in NNN.dir directories is that if we have a.go,
the other files import "./a". For gc it happens to work to use a path,
but not for gofrontend. Better to be consistent.
Change-Id: I2e023cbf6bd115f9fb77427b097b0ff9b9992f17
Reviewed-on: https://go-review.googlesource.com/c/go/+/278113
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
The path package doesn't have a Glob function. Adjust the release notes
re. CL 264397 accordingly.
Also add links to the documentation of all mentioned functions.
For #40700.
Change-Id: Ibf3e0530fa6fab36a3f6fbc664f0800869ce9ec7
Reviewed-on: https://go-review.googlesource.com/c/go/+/278213
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
template range require channel contains RecvDir
if recv on send only channel will raise an panic.
Fixes#43065
Change-Id: Ie0ea70ce60e074bf8c9f2378e07ef1d4c41dc38f
Reviewed-on: https://go-review.googlesource.com/c/go/+/276532
Trust: Meng Zhuo <mzh@golangcn.org>
Run-TryBot: Meng Zhuo <mzh@golangcn.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
fixedbugs/issue26416.go:24:16: error: unknown field ‘t1f1’ in ‘t2’
fixedbugs/issue26416.go:25:16: error: unknown field ‘t1f2’ in ‘t3’
fixedbugs/issue26416.go:26:16: error: unknown field ‘t2f1’ in ‘t3’
fixedbugs/issue26616.go:15:9: error: single variable set to multiple-value function call
fixedbugs/issue26616.go:9:5: error: incompatible type in initialization (multiple-value function call in single-value context)
fixedbugs/issue26616.go:12:13: error: incompatible type in initialization (multiple-value function call in single-value context)
fixedbugs/issue26616.go:13:13: error: incompatible type in initialization (multiple-value function call in single-value context)
fixedbugs/issue26616.go:15:9: error: incompatible type in initialization (multiple-value function call in single-value context)
fixedbugs/issue26616.go:14:11: error: incompatible types in assignment (multiple-value function call in single-value context)
fixedbugs/issue26855.go:23:12: error: incompatible type for field 1 in struct construction
fixedbugs/issue26855.go:27:12: error: incompatible type for field 1 in struct construction
fixedbugs/issue25958.go:14:18: error: expected ‘<-’ or ‘=’
fixedbugs/issue25958.go:15:35: error: expected ‘<-’ or ‘=’
fixedbugs/issue28079b.go:13:9: error: array bound is not constant
fixedbugs/issue28079b.go:16:22: error: invalid context-determined non-integer type for left operand of shift
fixedbugs/issue28079c.go:14:22: error: invalid context-determined non-integer type for left operand of shift
fixedbugs/issue28450.go:9:19: error: ‘...’ only permits one name
fixedbugs/issue28450.go:10:18: error: ‘...’ must be last parameter
fixedbugs/issue28450.go:11:16: error: ‘...’ must be last parameter
fixedbugs/issue28450.go:11:24: error: ‘...’ must be last parameter
fixedbugs/issue28450.go:13:25: error: ‘...’ must be last parameter
fixedbugs/issue28450.go:15:19: error: ‘...’ must be last parameter
fixedbugs/issue28450.go:16:21: error: ‘...’ must be last parameter
fixedbugs/issue28450.go:16:31: error: ‘...’ must be last parameter
fixedbugs/issue28268.go:20:1: error: method ‘E’ redeclares struct field name
fixedbugs/issue28268.go:19:1: error: method ‘b’ redeclares struct field name
fixedbugs/issue27356.go:14:14: error: expected function
fixedbugs/issue27356.go:18:9: error: expected function
fixedbugs/issue29855.go:13:11: error: unknown field ‘Name’ in ‘T’
fixedbugs/issue27938.go:14:15: error: expected package
fixedbugs/issue27938.go:18:13: error: expected package
fixedbugs/issue27938.go:22:13: error: expected package
fixedbugs/issue27938.go:22:9: error: expected signature or type name
fixedbugs/issue29870b.go:13:9: error: ‘x’ declared but not used
fixedbugs/issue30085.go:10:18: error: wrong number of initializations
fixedbugs/issue30085.go:11:21: error: wrong number of initializations
fixedbugs/issue30087.go:10:18: error: wrong number of initializations
fixedbugs/issue30087.go:11:11: error: number of variables does not match number of values
fixedbugs/issue30087.go:12:9: error: wrong number of initializations
fixedbugs/issue30087.go:13:9: error: wrong number of initializations
fixedbugs/issue28926.go:16:14: error: use of undefined type ‘G’
fixedbugs/issue28926.go:18:14: error: use of undefined type ‘E’
fixedbugs/issue28926.go:22:24: error: use of undefined type ‘T’
fixedbugs/issue30722.go:13:13: error: invalid numeric literal
fixedbugs/issue30722.go:14:13: error: invalid numeric literal
fixedbugs/issue30722.go:15:13: error: invalid numeric literal
fixedbugs/issue33308.go:12:19: error: invalid context-determined non-integer type for left operand of shift
fixedbugs/issue33386.go:16:9: error: expected operand
fixedbugs/issue33386.go:22:9: error: expected operand
fixedbugs/issue33386.go:26:17: error: expected operand
fixedbugs/issue33386.go:27:18: error: expected operand
fixedbugs/issue33386.go:28:29: error: expected operand
fixedbugs/issue33386.go:15:17: error: reference to undefined name ‘send’
fixedbugs/issue33386.go:27:13: error: reference to undefined name ‘a’
fixedbugs/issue33386.go:21:19: error: value computed is not used
fixedbugs/issue33460.go:34:10: error: duplicate key in map literal
fixedbugs/issue33460.go:21:9: error: duplicate case in switch
fixedbugs/issue33460.go:24:9: error: duplicate case in switch
fixedbugs/issue33460.go:25:9: error: duplicate case in switch
fixedbugs/issue32723.go:12:14: error: invalid comparison of non-ordered type
fixedbugs/issue32723.go:13:13: error: invalid comparison of non-ordered type
fixedbugs/issue32723.go:16:16: error: invalid comparison of non-ordered type
fixedbugs/issue32723.go:17:16: error: invalid comparison of non-ordered type
fixedbugs/issue32723.go:18:15: error: invalid comparison of non-ordered type
fixedbugs/issue32723.go:21:15: error: invalid comparison of non-ordered type
fixedbugs/issue35291.go:13:9: error: duplicate value for index 1
fixedbugs/issue38745.go:12:12: error: reference to undefined field or method ‘M’
fixedbugs/issue38745.go:13:16: error: reference to undefined field or method ‘M’
fixedbugs/issue38745.go:17:19: error: reference to undefined field or method ‘M’
fixedbugs/issue38745.go:17:9: error: not enough arguments to return
fixedbugs/issue41500.go:16:22: error: incompatible types in binary expression
fixedbugs/issue41500.go:17:26: error: incompatible types in binary expression
fixedbugs/issue41500.go:18:22: error: incompatible types in binary expression
fixedbugs/issue41500.go:19:26: error: incompatible types in binary expression
fixedbugs/issue41575.go:23:6: error: invalid recursive type
fixedbugs/issue41575.go:9:6: error: invalid recursive type ‘T1’
fixedbugs/issue41575.go:13:6: error: invalid recursive type ‘T2’
fixedbugs/issue41575.go:17:6: error: invalid recursive type ‘a’
fixedbugs/issue41575.go:18:6: error: invalid recursive type ‘b’
fixedbugs/issue41575.go:19:6: error: invalid recursive type ‘c’
fixedbugs/issue41575.go:25:6: error: invalid recursive type ‘g’
fixedbugs/issue41575.go:32:6: error: invalid recursive type ‘x’
fixedbugs/issue41575.go:33:6: error: invalid recursive type ‘y’
fixedbugs/issue4215.go:10:9: error: not enough arguments to return
fixedbugs/issue4215.go:14:9: error: return with value in function with no return type
fixedbugs/issue4215.go:19:17: error: not enough arguments to return
fixedbugs/issue4215.go:21:9: error: not enough arguments to return
fixedbugs/issue4215.go:27:17: error: not enough arguments to return
fixedbugs/issue4215.go:29:17: error: too many values in return statement
fixedbugs/issue4215.go:31:17: error: not enough arguments to return
fixedbugs/issue4215.go:43:17: error: not enough arguments to return
fixedbugs/issue4215.go:46:17: error: not enough arguments to return
fixedbugs/issue4215.go:48:9: error: too many values in return statement
fixedbugs/issue4215.go:52:9: error: too many values in return statement
fixedbugs/issue41247.go:10:16: error: incompatible type for return value 1
fixedbugs/issue41440.go:13:9: error: too many arguments
fixedbugs/issue6772.go:10:16: error: ‘a’ repeated on left side of :=
fixedbugs/issue6772.go:17:16: error: ‘a’ repeated on left side of :=
fixedbugs/issue6402.go:12:16: error: incompatible type for return value 1
fixedbugs/issue6403.go:13:23: error: reference to undefined identifier ‘syscall.X’
fixedbugs/issue6403.go:14:15: error: reference to undefined name ‘voidpkg’
fixedbugs/issue7746.go:24:20: error: constant multiplication overflow
fixedbugs/issue7760.go:15:7: error: invalid constant type
fixedbugs/issue7760.go:16:7: error: invalid constant type
fixedbugs/issue7760.go:18:7: error: invalid constant type
fixedbugs/issue7760.go:19:7: error: invalid constant type
fixedbugs/issue7760.go:21:11: error: expression is not constant
fixedbugs/issue7760.go:22:11: error: expression is not constant
fixedbugs/issue7760.go:24:7: error: invalid constant type
fixedbugs/issue7760.go:25:7: error: invalid constant type
fixedbugs/issue7129.go:18:11: error: argument 1 has incompatible type (cannot use type bool as type int)
fixedbugs/issue7129.go:19:11: error: argument 1 has incompatible type (cannot use type bool as type int)
fixedbugs/issue7129.go:20:11: error: argument 1 has incompatible type (cannot use type bool as type int)
fixedbugs/issue7129.go:20:17: error: argument 2 has incompatible type (cannot use type bool as type int)
fixedbugs/issue7150.go:12:20: error: index expression is negative
fixedbugs/issue7150.go:13:13: error: some element keys in composite literal are out of range
fixedbugs/issue7150.go:14:13: error: some element keys in composite literal are out of range
fixedbugs/issue7150.go:15:13: error: some element keys in composite literal are out of range
fixedbugs/issue7150.go:16:13: error: some element keys in composite literal are out of range
fixedbugs/issue7675.go:16:11: error: argument 1 has incompatible type (cannot use type int as type string)
fixedbugs/issue7675.go:16:24: error: argument 3 has incompatible type (cannot use type string as type float64)
fixedbugs/issue7675.go:16:9: error: not enough arguments
fixedbugs/issue7675.go:16:14: error: floating-point constant truncated to integer
fixedbugs/issue7675.go:18:11: error: argument 1 has incompatible type (cannot use type int as type string)
fixedbugs/issue7675.go:18:24: error: argument 3 has incompatible type (cannot use type string as type float64)
fixedbugs/issue7675.go:18:28: error: argument 4 has incompatible type (cannot use type int as type string)
fixedbugs/issue7675.go:18:9: error: too many arguments
fixedbugs/issue7675.go:18:14: error: floating-point constant truncated to integer
fixedbugs/issue7675.go:19:11: error: argument 1 has incompatible type (cannot use type int as type string)
fixedbugs/issue7675.go:19:9: error: not enough arguments
fixedbugs/issue7675.go:19:14: error: floating-point constant truncated to integer
fixedbugs/issue7675.go:21:11: error: argument 1 has incompatible type (cannot use type int as type string)
fixedbugs/issue7675.go:21:19: error: argument 3 has incompatible type
fixedbugs/issue7675.go:21:14: error: floating-point constant truncated to integer
fixedbugs/issue7675.go:23:14: error: floating-point constant truncated to integer
fixedbugs/issue7153.go:11:15: error: reference to undefined name ‘a’
fixedbugs/issue7153.go:11:18: error: incompatible type for element 1 in composite literal
fixedbugs/issue7153.go:11:24: error: incompatible type for element 2 in composite literal
fixedbugs/issue7310.go:12:13: error: left argument must be a slice
fixedbugs/issue7310.go:13:13: error: second argument must be slice or string
fixedbugs/issue7310.go:14:15: error: incompatible types in binary expression
fixedbugs/issue6964.go:10:13: error: invalid type conversion (cannot use type complex128 as type string)
fixedbugs/issue7538a.go:14:9: error: reference to undefined label ‘_’
fixedbugs/issue8311.go:14:9: error: increment or decrement of non-numeric type
fixedbugs/issue8507.go:12:6: error: invalid recursive type ‘T’
fixedbugs/issue9521.go:16:20: error: argument 2 has incompatible type
fixedbugs/issue9521.go:17:20: error: argument 2 has incompatible type (cannot use type float64 as type int)
fixedbugs/issue8385.go:30:19: error: argument 1 has incompatible type (type has no methods)
fixedbugs/issue8385.go:30:14: error: not enough arguments
fixedbugs/issue8385.go:35:9: error: not enough arguments
fixedbugs/issue8385.go:36:9: error: not enough arguments
fixedbugs/issue8385.go:37:10: error: not enough arguments
fixedbugs/issue8385.go:38:10: error: not enough arguments
fixedbugs/issue8385.go:39:10: error: not enough arguments
fixedbugs/issue8385.go:40:10: error: not enough arguments
fixedbugs/issue8385.go:41:13: error: not enough arguments
fixedbugs/issue8438.go:13:23: error: incompatible type for element 1 in composite literal
fixedbugs/issue8438.go:14:22: error: incompatible type for element 1 in composite literal
fixedbugs/issue8438.go:15:23: error: incompatible type for element 1 in composite literal
fixedbugs/issue8440.go:10:9: error: reference to undefined name ‘n’
Change-Id: I5707aec7d3c9178c4f4d794d4827fc907b52efb3
Reviewed-on: https://go-review.googlesource.com/c/go/+/278032
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Resources are immutable, and all other linkers set this section to be
read-only and not read-write. Fix this oversight by removing the writable
flag.
Change-Id: Ib441bde6620be2000f1685df1ea7bfaebdbe7860
Reviewed-on: https://go-review.googlesource.com/c/go/+/268258
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
As far as I can tell, the addend is the same for both of these, and in
this context we don't really care about setting or unsetting the thumb
selection bit, so just treat these the same way.
Change-Id: I3756c027239f77778c32b317733df9ac92272580
Reviewed-on: https://go-review.googlesource.com/c/go/+/268238
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
The linker recognizes headers for 386 and amd64 PE objects, but not arm
objects. This is easily overlooked, since its the same as the 386 header
value, except the two nibbles of the first word are swapped. This commit
simply adds the check for this. Without it, .syso objects are rejected,
which means Windows binaries can't have resources built into them. At
the same time, we add comments to better indicate which condition
applies to which arch.
Change-Id: I210411d978504c1a9540e23abc5a180e24f159ad
Reviewed-on: https://go-review.googlesource.com/c/go/+/268237
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Found by @josharian running staticcheck against a fork of this code
elsewhere.
Change-Id: Ica8bae5df71adde1a71e541dd55b0b81b97b3baf
Reviewed-on: https://go-review.googlesource.com/c/go/+/277992
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Josh Bleecher Snyder <josharian@gmail.com>
This is a port of CL 277072 from the dev.typeparams branch.
Fixes#43124
Change-Id: I1424c396dc1ea984ec85b8f31a4d43353bf7e4fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/277352
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
For #40700.
Change-Id: I616429f82a44cea32701ed0af6e42ed6c71ee097
Reviewed-on: https://go-review.googlesource.com/c/go/+/277378
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
The vulnerability that allowed this panic is
CVE-2020-28362 and has been fixed in a security
release, per #42552.
Change-Id: I774bcda2cc83cdd5a273d21c8d9f4b53fa17c88f
Reviewed-on: https://go-review.googlesource.com/c/go/+/277959
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Katie Hockman <katie@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
The `external_cgo_thread` test in `runtime/race/output_test.go` was
producing intermittent failures. The test was performing a sleep,
which may not be enough depending on how long it takes to setup the
callBack goroutine.
Added a synchronization to make sure callBack finishes before main ends.
Whether the increment to racy++ happens first in the callBack
or in main doesn't matter: the race detector should flag the race
regardless. The output check was changed so that the test passes
regardless of which increment occurs first.
Fixes#43008
Change-Id: I325ec3dea52b3725e739fbf2bd7ae92875d2de10
Reviewed-on: https://go-review.googlesource.com/c/go/+/276752
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Run-TryBot: Dmitry Vyukov <dvyukov@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Ian Lance Taylor <iant@golang.org>
1. The test now checks the response status code.
2. The transport has been changed to not set "Connection: Close" if
DisableKeepAlive is set and the request is a HTTP/1.1 protocol
upgrade.
Updates #43073
Change-Id: I9977a18b33b8747ef847a8d11bb7b4f2d8053b8c
GitHub-Last-Rev: f809cebb13
GitHub-Pull-Request: golang/go#43086
Reviewed-on: https://go-review.googlesource.com/c/go/+/276375
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
In an executable, the debug_addr and debug_rnglists sections are
assembled by concatenating the input sections, and each input section
has a header, and each header may have different attributes. So just
parsing the single header isn't right. Parsing the header is not
necessary to handle offsets into these sections which is all we do.
Looking at the header is also problematic because GCC with
-gsplit-dwarf when using DWARF versions 2 through 4 emits a
.debug_addr section, but it has no header. The header was only added
for DWARF 5. So we can't parse the header at all for that case, and we
can't even detect that case in general.
This CL also fixes SeekPC with addrx and strx formats, by not using
the wrong compilation unit to find the address or string base.
To make that work when parsing the compilation unit itself, we add
support for delay the resolution of those values until we know the base.
New test binaries built with
gcc -gdwarf-5 -no-pie debug/dwarf/testdata/line[12].c
(gcc (Debian 10.2.0-15) 10.2.0)
clang -gdwarf-5 -no-pie debug/dwarf/testdata/line[12].c
(clang version 9.0.1-14)
Change-Id: I66783e0eded629bf80c467767f781164d344a54d
Reviewed-on: https://go-review.googlesource.com/c/go/+/277233
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
fixedbugs/issue20602.go:13:9: error: argument must have complex type
fixedbugs/issue20602.go:14:9: error: argument must have complex type
fixedbugs/issue19323.go:12:12: error: attempt to slice object that is not array, slice, or string
fixedbugs/issue19323.go:18:13: error: attempt to slice object that is not array, slice, or string
fixedbugs/issue20749.go:12:11: error: array index out of bounds
fixedbugs/issue20749.go:15:11: error: array index out of bounds
fixedbugs/issue20415.go:14:5: error: redefinition of ‘f’
fixedbugs/issue20415.go:12:5: note: previous definition of ‘f’ was here
fixedbugs/issue20415.go:25:5: error: redefinition of ‘g’
fixedbugs/issue20415.go:20:5: note: previous definition of ‘g’ was here
fixedbugs/issue20415.go:33:5: error: redefinition of ‘h’
fixedbugs/issue20415.go:31:5: note: previous definition of ‘h’ was here
fixedbugs/issue19977.go:12:21: error: reference to undefined name ‘a’
fixedbugs/issue20812.go:10:13: error: invalid type conversion (cannot use type string as type int)
fixedbugs/issue20812.go:11:13: error: invalid type conversion (cannot use type int as type bool)
fixedbugs/issue20812.go:12:13: error: invalid type conversion (cannot use type string as type bool)
fixedbugs/issue20812.go:13:13: error: invalid type conversion (cannot use type bool as type int)
fixedbugs/issue20812.go:14:13: error: invalid type conversion (cannot use type bool as type string)
fixedbugs/issue21256.go:9:5: error: redefinition of ‘main’
fixedbugs/issue20813.go:10:11: error: invalid left hand side of assignment
fixedbugs/issue20185.go:22:16: error: ‘t’ declared but not used
fixedbugs/issue20185.go:13:9: error: cannot type switch on non-interface value
fixedbugs/issue20185.go:22:9: error: cannot type switch on non-interface value
fixedbugs/issue20227.go:11:11: error: division by zero
fixedbugs/issue20227.go:12:12: error: division by zero
fixedbugs/issue20227.go:13:12: error: division by zero
fixedbugs/issue20227.go:15:11: error: division by zero
fixedbugs/issue20227.go:16:12: error: division by zero
fixedbugs/issue19880.go:14:13: error: invalid use of type
fixedbugs/issue23093.go:9:5: error: initialization expression for ‘f’ depends upon itself
fixedbugs/issue21979.go:29:13: error: integer constant overflow
fixedbugs/issue21979.go:39:13: error: complex constant truncated to floating-point
fixedbugs/issue21979.go:10:13: error: invalid type conversion (cannot use type string as type bool)
fixedbugs/issue21979.go:11:13: error: invalid type conversion (cannot use type int as type bool)
fixedbugs/issue21979.go:12:13: error: invalid type conversion (cannot use type float64 as type bool)
fixedbugs/issue21979.go:13:13: error: invalid type conversion (cannot use type complex128 as type bool)
fixedbugs/issue21979.go:15:13: error: invalid type conversion (cannot use type bool as type string)
fixedbugs/issue21979.go:17:13: error: invalid type conversion (cannot use type float64 as type string)
fixedbugs/issue21979.go:18:13: error: invalid type conversion (cannot use type complex128 as type string)
fixedbugs/issue21979.go:20:13: error: invalid type conversion (cannot use type string as type int)
fixedbugs/issue21979.go:21:13: error: invalid type conversion (cannot use type bool as type int)
fixedbugs/issue21979.go:27:13: error: invalid type conversion (cannot use type string as type uint)
fixedbugs/issue21979.go:28:13: error: invalid type conversion (cannot use type bool as type uint)
fixedbugs/issue21979.go:34:13: error: invalid type conversion (cannot use type string as type float64)
fixedbugs/issue21979.go:35:13: error: invalid type conversion (cannot use type bool as type float64)
fixedbugs/issue21979.go:41:13: error: invalid type conversion (cannot use type string as type complex128)
fixedbugs/issue21979.go:42:13: error: invalid type conversion (cannot use type bool as type complex128)
fixedbugs/issue21988.go:11:11: error: reference to undefined name ‘Wrong’
fixedbugs/issue22063.go:11:11: error: reference to undefined name ‘Wrong’
fixedbugs/issue22904.go:12:6: error: invalid recursive type ‘a’
fixedbugs/issue22904.go:13:6: error: invalid recursive type ‘b’
fixedbugs/issue22921.go:11:16: error: reference to undefined identifier ‘bytes.nonexist’
fixedbugs/issue22921.go:13:19: error: reference to undefined identifier ‘bytes.nonexist’
fixedbugs/issue22921.go:13:19: error: expected signature or type name
fixedbugs/issue22921.go:17:15: error: reference to undefined identifier ‘bytes.buffer’
fixedbugs/issue23823.go:15:9: error: invalid recursive interface
fixedbugs/issue23823.go:10:9: error: invalid recursive interface
fixedbugs/issue23732.go:24:13: error: too few expressions for struct
fixedbugs/issue23732.go:34:17: error: too many expressions for struct
fixedbugs/issue23732.go:37:13: error: too few expressions for struct
fixedbugs/issue23732.go:40:17: error: too many expressions for struct
fixedbugs/issue22794.go:16:14: error: reference to undefined field or method ‘floats’
fixedbugs/issue22794.go:18:19: error: unknown field ‘floats’ in ‘it’
fixedbugs/issue22794.go:19:17: error: unknown field ‘InneR’ in ‘it’
fixedbugs/issue22794.go:18:9: error: ‘i2’ declared but not used
fixedbugs/issue22822.go:15:17: error: expected function
fixedbugs/issue25727.go:12:10: error: reference to unexported field or method ‘doneChan’
fixedbugs/issue25727.go:13:10: error: reference to undefined field or method ‘DoneChan’
fixedbugs/issue25727.go:14:21: error: unknown field ‘tlsConfig’ in ‘http.Server’
fixedbugs/issue25727.go:15:21: error: unknown field ‘DoneChan’ in ‘http.Server’
fixedbugs/issue25727.go:21:14: error: unknown field ‘bAr’ in ‘foo’
Change-Id: I32ce0b7d80017b2367b8fb479a881632240d4161
Reviewed-on: https://go-review.googlesource.com/c/go/+/277455
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
fixedbugs/issue14136.go:17:16: error: unknown field ‘X’ in ‘T’
fixedbugs/issue14136.go:18:13: error: incompatible type in initialization (cannot use type int as type string)
fixedbugs/issue14520.go:9:37: error: import path contains control character
fixedbugs/issue14520.go:14:2: error: expected ‘)’
fixedbugs/issue14520.go:14:3: error: expected declaration
fixedbugs/issue14652.go:9:7: error: use of undefined type ‘any’
fixedbugs/issue14729.go:13:17: error: embedded type may not be a pointer
fixedbugs/issue15514.dir/c.go:10: error: incompatible type in initialization
fixedbugs/issue15898.go:11:9: error: duplicate type in switch
fixedbugs/issue15898.go:16:9: error: duplicate type in switch
fixedbugs/issue16439.go:10:21: error: index expression is negative
fixedbugs/issue16439.go:13:21: error: index expression is negative
fixedbugs/issue16439.go:16:21: error: index expression is not integer constant
fixedbugs/issue16439.go:18:22: error: index expression is not integer constant
fixedbugs/issue17328.go:11:20: error: expected ‘{’
fixedbugs/issue17328.go:11:20: error: expected ‘;’ or ‘}’ or newline
fixedbugs/issue17328.go:13:1: error: expected declaration
fixedbugs/issue17588.go:14:15: error: expected type
fixedbugs/issue17631.go:20:17: error: unknown field ‘updates’ in ‘unnamed struct’
fixedbugs/issue17645.go:15:13: error: incompatible type in initialization
fixedbugs/issue17758.go:13:1: error: redefinition of ‘foo’
fixedbugs/issue17758.go:9:1: note: previous definition of ‘foo’ was here
fixedbugs/issue18092.go:13:19: error: expected colon
fixedbugs/issue18231.go:17:12: error: may only omit types within composite literals of slice, array, or map type
fixedbugs/issue18393.go:24:38: error: expected type
fixedbugs/issue18419.dir/test.go:12: error: reference to unexported field or method 'member'
fixedbugs/issue18655.go:14:1: error: redefinition of ‘m’
fixedbugs/issue18655.go:13:1: note: previous definition of ‘m’ was here
fixedbugs/issue18655.go:15:1: error: redefinition of ‘m’
fixedbugs/issue18655.go:13:1: note: previous definition of ‘m’ was here
fixedbugs/issue18655.go:16:1: error: redefinition of ‘m’
fixedbugs/issue18655.go:13:1: note: previous definition of ‘m’ was here
fixedbugs/issue18655.go:17:1: error: redefinition of ‘m’
fixedbugs/issue18655.go:13:1: note: previous definition of ‘m’ was here
fixedbugs/issue18655.go:18:1: error: redefinition of ‘m’
fixedbugs/issue18655.go:13:1: note: previous definition of ‘m’ was here
fixedbugs/issue18655.go:20:1: error: redefinition of ‘m’
fixedbugs/issue18655.go:13:1: note: previous definition of ‘m’ was here
fixedbugs/issue18655.go:21:1: error: redefinition of ‘m’
fixedbugs/issue18655.go:13:1: note: previous definition of ‘m’ was here
fixedbugs/issue18655.go:22:1: error: redefinition of ‘m’
fixedbugs/issue18655.go:13:1: note: previous definition of ‘m’ was here
fixedbugs/issue18915.go:13:20: error: expected ‘;’ after statement in if expression
fixedbugs/issue18915.go:16:21: error: parse error in for statement
fixedbugs/issue18915.go:19:24: error: expected ‘;’ after statement in switch expression
fixedbugs/issue18915.go:13:12: error: ‘a’ declared but not used
fixedbugs/issue18915.go:16:13: error: ‘b’ declared but not used
fixedbugs/issue18915.go:19:16: error: ‘c’ declared but not used
fixedbugs/issue19012.go:16:17: error: return with value in function with no return type
fixedbugs/issue19012.go:18:9: error: return with value in function with no return type
fixedbugs/issue19012.go:22:16: error: argument 2 has incompatible type (cannot use type bool as type uint)
fixedbugs/issue19012.go:22:9: error: too many arguments
fixedbugs/issue19012.go:22:16: error: incompatible types in binary expression
fixedbugs/issue19012.go:24:9: error: too many arguments
fixedbugs/issue19056.go:9:9: error: expected operand
fixedbugs/issue19056.go:9:9: error: expected ‘;’ or newline after top level declaration
fixedbugs/issue19482.go:25:15: error: expected struct field name
fixedbugs/issue19482.go:27:15: error: expected struct field name
fixedbugs/issue19482.go:31:19: error: expected struct field name
fixedbugs/issue19482.go:33:15: error: expected struct field name
fixedbugs/issue19667.go:13:1: error: expected operand
fixedbugs/issue19667.go:13:1: error: missing ‘)’
fixedbugs/issue19667.go:13:105: error: expected ‘;’ after statement in if expression
fixedbugs/issue19667.go:13:105: error: expected ‘{’
fixedbugs/issue19667.go:12:19: error: reference to undefined name ‘http’
Change-Id: Ia9c75b9c78671f354f0a0623dbc075157ef8f181
Reviewed-on: https://go-review.googlesource.com/c/go/+/277433
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
The type of the shift count must be an unsigned integer. Some s390x
rules for shift have their auxint type being int8. This results in a
compilation failure on s390x with an invalid operation when running
make.bash using older versions of go (e.g: go1.10.4).
This CL adds an auxint type of uint8 and changes the ops for shift and
rotate to use auxint with type uint8. The related rules are also
modified to address this change.
Fixes#43090
Change-Id: I594274b6e3d9b23092fc9e9f4b354870164f2f19
Reviewed-on: https://go-review.googlesource.com/c/go/+/277078
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
If 'go install' is invoked in module mode outside a module with a
package that could only be loaded from a module, it will now suggest
running 'go install pkg@latest'.
'go install' will still work outside a module on packages in std and
cmd, as well as .go files specified on the command line.
Fixes#42638
Change-Id: Ib0963935f028b7656178bc04a279b1114de35fbb
Reviewed-on: https://go-review.googlesource.com/c/go/+/277355
Run-TryBot: Jay Conrod <jayconrod@google.com>
Trust: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Replaced load.PackagesForBuild with a new function,
load.CheckPackageErrors. Callers should now call PackagesAndErrors,
then CheckPackageErrors for the same functionality.
Removed load.Packages. Callers should call base.Errorf and filter the
package list as needed.
This gives callers more flexibility in handling package load errors.
For #42638
Change-Id: Id75463ba695adc1ca3f8693ceb2c8978b74a3500
Reviewed-on: https://go-review.googlesource.com/c/go/+/277354
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Since CL 270057, there're many attempts to fix the expand_calls pass
with interface{}-typed. But all of them did not fix the root cause. The
main issue is during SSA conversion in gc/ssa.go, for empty interface
case, we make its type as n.Type, instead of BytePtr.
To fix these, we can just use BytePtr for now, since when itab fields
are treated as scalar.
No significal changes on compiler speed, size.
cmd/compile/internal/ssa
expandCalls.func6 9488 -> 9232 (-2.70%)
file before after Δ %
cmd/compile/internal/ssa.s 3992893 3992637 -256 -0.006%
total 20500447 20500191 -256 -0.001%
Fixes#43112
Updates #42784
Updates #42727
Updates #42568
Change-Id: I0b15d9434e0be5448453e61f98ef9c2d6cd93792
Reviewed-on: https://go-review.googlesource.com/c/go/+/276952
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Go 1.4 does not work on some systems, including the most
recent versions of macOS. Make it clearer that that's not the only
way to bootstrap Go.
Change-Id: I7c03d6808e43bf26283a53eab2bb0b2dc4af73af
Reviewed-on: https://go-review.googlesource.com/c/go/+/277216
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
The Go spec requires that select case clauses be evaluated in order,
which is stricter than normal ordering semantics. cmd/compile handled
this correctly for send clauses, but was not correctly handling
receive clauses that involved bare variable references.
Discovered with @cuonglm.
Fixes#43111.
Change-Id: Iec93b6514dd771875b084ba49c15d7f4531b4a6f
Reviewed-on: https://go-review.googlesource.com/c/go/+/277132
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
Also add -overlay to the Go 1.16 release notes.
For #40700Fixes#39958Fixes#42893
Change-Id: Ifd397549e368b255e7b8800986cfa0563a942af5
Reviewed-on: https://go-review.googlesource.com/c/go/+/274714
Trust: Michael Matloob <matloob@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
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Reviewed-by: Jay Conrod <jayconrod@google.com>
LLVM on openbsd/mips64 generates R_MIPS_GOT_HI16 and R_MIPS_GOT_LO16 relocations,
so teach cmd/link/internal/loadelf about both of these.
Updates #43005
Change-Id: Ic45ea8b901d44dcbdbf355411ee434dcd7670a92
Reviewed-on: https://go-review.googlesource.com/c/go/+/275894
Trust: Joel Sing <joel@sing.id.au>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
For #40281Fixes#43083
Change-Id: I50cb4db916587a6660c7f6e71f41f02334081510
Reviewed-on: https://go-review.googlesource.com/c/go/+/277076
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
The various conversion functions just change the format of time values.
They don't use the Unix epoch. Although in practice the values are often
times since the Unix epoch, they aren't always, so referring to the
epoch can be confusing.
Fixes#43010
Change-Id: I640d665f0d2017f0974db05d70858037c7c91eda
Reviewed-on: https://go-review.googlesource.com/c/go/+/277073
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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For #40700Fixes#42895
Change-Id: I05b60f0d000512d5dddb3d61e0e695aa01943d6a
Reviewed-on: https://go-review.googlesource.com/c/go/+/274617
Trust: Tim King <taking@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
The tools section TODO can be removed since the tools section looks
complete by now.
All TODOs in the minor changes to the library section have been done,
so the top-level TODO is resolved. Delete it.
The currently highlighted entries under Core library section look
good. It's worth reviewing this further based on feedback from Go
1.16 pre-releases, so keep the TODO but make it non-user-visible
to unblock Go 1.16 Beta 1.
For #40700.
Change-Id: Ie72661bd457b0a93ef92e1bfc0844072f3b618a6
Reviewed-on: https://go-review.googlesource.com/c/go/+/277212
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This change adds a note to the package documentation that the package
will never produce a NaN or infinity, to help ease usability.
Change-Id: I72ff6ab636ca23722a68ef11e707c68b0724ac04
Reviewed-on: https://go-review.googlesource.com/c/go/+/275854
Run-TryBot: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Michael Pratt <mpratt@google.com>
This change modifies the documentation of Read with some caveats about
reusing the slice passed in to Read as well as with what concurrent
situations are safe.
Change-Id: I76fd31acc67ae384546a8442dfbf9d16b7445cff
Reviewed-on: https://go-review.googlesource.com/c/go/+/275853
Run-TryBot: Michael Knyszek <mknyszek@google.com>
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Trust: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
This change adds an additional line explaining the ordering of the
supported metrics list. It's also necessary to ensure "Supported
metrics" is displayed by godoc as a proper header.
This modification does mean the description test, that ensures
descriptions line up with documentation, needs to change slightly
so it it doesn't read this new line as documentation. Make this
new line the line the test uses to decide when to begin.
Change-Id: I654c1c20e97a80ea79c8eb864445153ce91950bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/275852
Run-TryBot: Michael Knyszek <mknyszek@google.com>
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Trust: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
