// FileConn returns a copy of the network connection corresponding to
// the open file f.
// It is the caller's responsibility to close f when finished.
// Closing c does not affect f, and closing f does not affect c.
func FileConn(f *os.File) (c Conn, err error) {
	c, err = fileConn(f)
	if err != nil {
		err = &OpError{Op: "file", Net: "file+net", Source: nil, Addr: fileAddr(f.Name()), Err: err}
	}
	return
}

# If it does, reproducible builds will not work very well.
[short] skip
[GOOS:aix] env CGO_ENABLED=0  # go.dev/issue/56896
env GOMAXPROCS=16
go build -a -o http16.o net/http
env GOMAXPROCS=17
go build -a -o http17.o net/http
cmp -q http16.o http17.o
env GOMAXPROCS=18
go build -a -o http18.o net/http
cmp -q http16.o http18.o

# Check that goroutine scheduling does not affect linker output.

        ),
    ] = False,
    media_type: Annotated[
        str,
        Doc(
            """
            The media type of this parameter field. Changing it would affect the
            generated OpenAPI, but currently it doesn't affect the parsing of the data.
            """
        ),
    ] = "application/json",
    alias: Annotated[
        Optional[str],
        Doc(
            """

// field of type HostLayout will be laid out in memory according to host
// expectations, generally following the host's C ABI.
//
// HostLayout does not affect layout within any other struct-typed fields
// of the containing struct, nor does it affect layout of structs
// containing the struct marked as host layout.
//
// By convention, HostLayout should be used as the type of a field

apiVersion: release-notes/v2
kind: bug-fix
area: networking
issue: []
releaseNotes:
- |

apiVersion: release-notes/v2
kind: bug-fix
area: installation
issue:
- 40166
releaseNotes:
- |

stdout '\(cached\)'

# Directory contents read via os.ReadDirNames should affect caching.
go test testcache -run=DirList
go test testcache -run=DirList
stdout '\(cached\)'
rm testcache/file.txt
go test testcache -run=DirList
! stdout '\(cached\)'
go test testcache -run=DirList
stdout '\(cached\)'

# Files outside GOROOT and GOPATH should not affect caching.
env TEST_EXTERNAL_FILE=$WORK/external.txt

releaseNotes:
  - |

# This test verifies that GOMODCACHE does not affect whether checksums are embedded
# with vendored files.
# See issue #46400
[short] skip 'builds and links a binary twice'
go mod tidy
go mod vendor

go build -mod=vendor
go version -m example$GOEXE
cp stdout version-m.txt

env GOMODCACHE=$WORK${/}modcache
go build -mod=vendor
go version -m example$GOEXE
cmp stdout version-m.txt

-- go.mod --
module example
go 1.22

  - type: checkboxes
    id: related-idea
    attributes:
      label: "Related Idea"
      options:
        - label: "Has this idea, or one like it, been proposed before?"
        - label: "Does this affect error handling?"
        - label: "Is this about generics?"
        - label: "Is this change backward compatible? Breaking the Go 1 compatibility guarantee is a large cost and requires a large benefit"

  - type: textarea