//sys	Chdir(path string) (err error)
//sys	Chflags(path string, flags int) (err error)
//sys	Chmod(path string, mode uint32) (err error)
//sys	Chown(path string, uid int, gid int) (err error)
//sys	Chroot(path string) (err error)
//sys	Close(fd int) (err error)
//sys	Dup(fd int) (nfd int, err error)
//sys	Dup2(from int, to int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)

	defer func() {
		if err := b.Close(); err != nil {
			base.Fatal(err)
		}
	}()

	cppflags, cflags, cxxflags, fflags, ldflags, err := b.CFlags(&load.Package{})
	if err != nil {
		// Should not happen - b.CFlags was given an empty package.
		fmt.Fprintf(os.Stderr, "go: invalid cflags: %v\n", err)
		return nil
	}
	cmd := b.GccCmd(".", "")

	join := func(s []string) string {

		t.Helper()
		t.Skipf("skipping on %s/%s: no DWARF symbol table in executables", runtime.GOOS, runtime.GOARCH)
	}
}

const (
	DefaultOpt = "-gcflags="
	NoOpt      = "-gcflags=-l -N"
	OptInl4    = "-gcflags=-l=4"
	OptAllInl4 = "-gcflags=all=-l=4"
)

func TestRuntimeTypesPresent(t *testing.T) {
	t.Parallel()
	testenv.MustHaveGoBuild(t)

	mustHaveDWARF(t)

	dir := t.TempDir()

		wholeArchive = nil
		noWholeArchive = nil
	}
	ldflags = append(ldflags, wholeArchive...)
	ldflags = append(ldflags, afiles...)
	ldflags = append(ldflags, noWholeArchive...)

	ldflags = append(ldflags, cgoldflags...)
	ldflags = append(ldflags, envList("CGO_LDFLAGS", "")...)
	if cfg.Goos != "aix" {
		ldflags = str.StringList("-Wl,-(", ldflags, "-Wl,-)")
	}

	if root.buildID != "" {

[compiler:gccgo] skip 'gccgo does not support -ldflags -X'
env GO111MODULE=off
go build run_go.go

# Apply identity function to GOPATH
exec ./run_go$GOEXE $GOPATH/src/my.pkg/main $GOPATH IDENTITY build -o $WORK/tmp/a.exe -ldflags -X=my.pkg.Text=linkXworked
exec $WORK/tmp/a.exe
stderr 'linkXworked'
rm $WORK/tmp/a.exe

[!GOOS:windows] stop 'rest of the tests only apply to Windows'

# Replace '\' with '/' in GOPATH

# such that the .syso file only works when linked against the .a file.
# Package a has #cgo LDFLAGS to make this happen.
#
# Package c imports package a, and uses cgo itself.
# The generation of the _cgo_import.go for package c will fail,
# because it won't know that it has to link against a/libb.a
# (because we don't gather the #cgo LDFLAGS from all transitively
# imported packages).
#

# Reject #cgo CFLAGS: -D @foo
cp y_cflags_dash_d_space_at_foo.txt y.go
! go build x
stderr 'invalid flag in #cgo CFLAGS: -D @foo'

# Reject #cgo CFLAGS -D@foo
cp y_cflags_dash_d_at_foo.txt y.go
! go build x
stderr 'invalid flag in #cgo CFLAGS: -D@foo'

# Check for CFLAGS in commands
env CGO_CFLAGS=-D@foo
cp y_no_cflags.txt y.go
go build -n x
stderr '-D@foo'

-- go.mod --

# Tests golang.org/issue/47682
# Flags specified with -gcflags should appear after other flags generated by cmd/go.

cd m
go build -n -gcflags=-lang=go1.17
stderr ' -lang=go1.16.* -lang=go1.17'
! go build -gcflags='-c 0'
stderr 'compile: -c must be at least 1, got 0'

-- m/go.mod --
module example.com

go 1.16

-- m/main.go --
package main

func main() {
    var s = []int{1, 2, 3}
    var pa = (*[2]int)(s[1:])

//sys	Chdir(path string) (err error)
//sys	Chflags(path string, flags int) (err error)
//sys	Chmod(path string, mode uint32) (err error)
//sys	Chown(path string, uid int, gid int) (err error)
//sys	Chroot(path string) (err error)
//sys	Close(fd int) (err error)
//sys	Dup(fd int) (nfd int, err error)
//sys	Dup2(from int, to int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)

# Test that #cgo LDFLAGS are properly quoted.
# The #cgo LDFLAGS below should pass a string with spaces to -L,
# as though searching a directory with a space in its name.
# It should not pass --nosuchoption to the external linker.

[!cgo] skip

go build

[!exec:gccgo] skip

# TODO: remove once gccgo on builder is updated
[GOOS:aix] [GOARCH:ppc64] skip

go build -compiler gccgo

-- go.mod --
module m
-- cgo.go --
package main