[dev.typeparams] all: merge master (27255227) into dev.typeparams

Merge List:

+ 2021-06-01 27255227 A+C: update name
+ 2021-06-01 2bec019f doc/go1.17: add release notes for register ABI
+ 2021-06-01 2e59cc5f cmd/go: add [-src] to documentation
+ 2021-06-01 0b80cf11 cmd/go: make 'go get' save sums for incidentally updated modules
+ 2021-05-30 3b770f2c go/types: don't declare 'comparable' when typeparams are disabled
+ 2021-05-30 1607c281 go/types: unexport the GoVersion configuration option for Go 1.17
+ 2021-05-29 79bda650 doc/go1.17: mention time.Layout
+ 2021-05-29 f6cc392d doc/go1.17: document text/template/parse.SkipFuncCheck
+ 2021-05-28 1419ca7c doc/go1.17: mention new definitions of MSG_CMSG_CLOEXEC
+ 2021-05-28 6624771c doc/go1.17: mention testing.[TB].Setenv methods
+ 2021-05-28 bbda9235 doc/go1.17: mention new Windows SysProcAttr fields
+ 2021-05-28 6f58088b doc/go1.17: document new go/build/BuildContext.ToolTags field
+ 2021-05-28 c2951077 doc/go1.17: mention new encoding/csv/Reader.FieldPos method
+ 2021-05-28 ccd9784e doc/go1.17: document new debug/elf constant
+ 2021-05-28 3de3440f go/ast: remove FuncDecl.IsMethod for Go 1.17
+ 2021-05-27 639acdc8 doc/go1.17: clarify that compress/lzw Reader and Writer types are new
+ 2021-05-27 193d5141 net/http: correct Client.Do doc about context cancelation
+ 2021-05-27 ab2ef4aa doc/go1.17: document reflect changes
+ 2021-05-27 0ece95a0 cmd/go: don't let 'go mod download' save sums for inconsistent requirements
+ 2021-05-27 cdcd0284 net: verify results from Lookup* are valid domain names
+ 2021-05-27 8bf5bf51 cmd/compile: improve debug locations for partially live in-params
+ 2021-05-27 56af34f8 cmd/compile: place reg spills after OpArg{Int,Float}Reg ops
+ 2021-05-27 db66e9e1 cmd/link: accept Windows line-ending in TestTrampolineCgo
+ 2021-05-27 6b8c94b6 go/types: guard against check==nil in newNamed
+ 2021-05-27 fca7b8f3 Revert "net: verify results from Lookup* are valid domain names"
+ 2021-05-27 950fa11c net/http/httputil: always remove hop-by-hop headers
+ 2021-05-27 9bc52686 cmd/go,cmd/link: do not check for staleness in most tests
+ 2021-05-27 6ff0ae2a crypto/elliptic: fix typo in p521Point type name
+ 2021-05-26 3075ffc9 os: deflake TestFdReadRace
+ 2021-05-26 a62c0873 src/os: revert accidentally submitted change
+ 2021-05-26 1d5298d4 doc/go1.17: document net/... changes
+ 2021-05-26 0fbecece doc/go1.17: document syscall changes
+ 2021-05-26 02beecb3 mime: document use of the Shared MIME-Info Database
+ 2021-05-26 a92460fd doc/go1.17: add release notes for runtime/metrics package
+ 2021-05-26 55aefbb2 doc/go1.17: mention enabling frame pointer on all ARM64
+ 2021-05-26 39da9ae5 go/types: ensure that Named.check is nilled out once it is expanded
+ 2021-05-26 bfd7798a runtime,cmd/link/internal/ld: fix typos
+ 2021-05-26 e4615ad7 math/big: move division into natdiv.go
+ 2021-05-26 d050238b doc/go1.17: fix formatting for time changes
+ 2021-05-25 74242baa archive/zip: only preallocate File slice if reasonably sized

Change-Id: I8a02edee1a6889547c52aa28c53cf8250766ab2c