{"TEXT", "$\"foo\", 0, $1", "TEXT symbol \"<erroneous symbol>\" must be a symbol(SB)"},
		{"TEXT", "$0É:0, 0, $1", "expected end of operand, found É"}, // Issue #12467.
		{"TEXT", "$:0:(SB, 0, $1", "expected '(', found 0"},          // Issue 12468.
		{"TEXT", "@B(SB),0,$0", "expected '(', found B"},             // Issue 23580.

	input string
	error string
}

var badLexTests = []badLexTest{
	{
		"3 #define foo bar\n",
		"'#' must be first item on line",
	},
	{
		"#ifdef foo\nhello",
		"unclosed #ifdef or #ifndef",
	},
	{
		"#ifndef foo\nhello",
		"unclosed #ifdef or #ifndef",
	},
	{
		"#ifdef foo\nhello\n#else\nbye",
		"unclosed #ifdef or #ifndef",
	},
	{
		"#define A() A()\nA()",

func (*B) JustOnB()             {}
func (*common) OnBothTandBPtr() {}
func (common) OnBothTandBVal()  {}

type EmbedSelector struct {
	Time
}

const (
	foo          = "foo"
	foo2  string = "foo2"
	truth        = foo == "foo" || foo2 == "foo2"
)

func ellipsis(...string) {}

func Now() Time {
	var now Time
	return now
}

var x = &S{
	Public:     nil,
	private:    nil,

	-e
		No limit on number of errors reported.
	-gensymabis
		Write symbol ABI information to output file. Don't assemble.
	-o file
		Write output to file. The default is foo.o for /a/b/c/foo.s.
	-p pkgpath
		Set expected package import to pkgpath.
	-shared
		Generate code that can be linked into a shared library.
	-spectre list
		Enable spectre mitigations in list (all, ret).
	-trimpath prefix

	"flag"
	"fmt"
	"os"
	"path/filepath"
	"strings"
)

var (
	Debug      = flag.Bool("debug", false, "dump instructions as they are parsed")
	OutputFile = flag.String("o", "", "output file; default foo.o for /a/b/c/foo.s as first argument")
	TrimPath   = flag.String("trimpath", "", "remove prefix from recorded source file paths")
	Shared     = flag.Bool("shared", false, "generate code that can be linked into a shared library")

		}
	}
}

func TestSkipInternal(t *testing.T) {
	tests := []struct {
		pkg  string
		want bool
	}{
		{"net/http", true},
		{"net/http/internal-foo", true},
		{"net/http/internal", false},
		{"net/http/internal/bar", false},
		{"internal/foo", false},
		{"internal", false},
	}
	for _, tt := range tests {
		got := !internalPkg.MatchString(tt.pkg)
		if got != tt.want {