{"net/http/internal/bar", false},
		{"internal/foo", false},
		{"internal", false},
	}
	for _, tt := range tests {
		got := !internalPkg.MatchString(tt.pkg)
		if got != tt.want {
			t.Errorf("%s is internal = %v; want %v", tt.pkg, got, tt.want)
		}
	}
}

func BenchmarkAll(b *testing.B) {
	for i := 0; i < b.N; i++ {
		for _, context := range contexts {

				t.Fatalf("unable to write previously parsed content: %s", err)
			}
		}

		if err := w.Close(); err != nil {
			t.Fatalf("Unable to write archive: %s", err)
		}

		// TODO: We may want to check if the archive roundtrips.
	})

# We're about to delete all but the cross-compiled binaries.
cd ..
if [ "$goos" = "$gohostos" -a "$goarch" = "$gohostarch" ]; then
	# cross-compile for local system. nothing to copy.
	# useful if you've bootstrapped yourself but want to
	# prepare a clean toolchain for others.
	true
else
	rm -f bin/go_${goos}_${goarch}_exec
	mv bin/*_*/* bin
	rmdir bin/*_*
	rm -rf "pkg/${gohostos}_${gohostarch}" "pkg/tool/${gohostos}_${gohostarch}"
fi

				t.Fatalf("Index(b[%d:], q[:%d])=%d, want -1\n", i, j, idx)
			}
		}
		q[j-1] = 0
	}

	// Test differing alignments and sizes of q which always end on a page boundary.
	q[len(q)-1] = 1 // difference is only found on the last byte
	for j := 0; j < len(q); j++ {
		for i := range b {
			idx := Index(b[i:], q[j:])
			if idx != -1 {
				t.Fatalf("Index(b[%d:], q[%d:])=%d, want -1\n", i, j, idx)
			}
		}
	}

package cgotest

// Test that we have no more than one build ID.  In the past we used
// to generate a separate build ID for each package using cgo, and the
// linker concatenated them all.  We don't want that--we only want
// one.

import (
	"bytes"
	"debug/elf"
	"os"
	"testing"
)

func testBuildID(t *testing.T) {
	f, err := elf.Open("/proc/self/exe")
	if err != nil {
		if os.IsNotExist(err) {

package main

//int F(void) { return 1; }
import "C"
import (
	"fmt"
	"os"
)

func F() int { return int(C.F()) }

func main() {
	if x := int(C.F()); x != 1 {
		fatal("x = %d, want 1", x)
	}

	// Open this file itself and verify that the first few characters are
	// as expected.
	f := Fopen("main.go", "r")
	if f.Swigcptr() == 0 {
		fatal("fopen failed")
	}

			info, err = os.Stat(srcPath)
			if err != nil {
				return err
			}
			perm = info.Mode() & os.ModePerm
		}

		// Always copy directories (don't symlink them).
		// If we add a file in the overlay, we don't want to add it in the original.
		if info.IsDir() {
			return os.MkdirAll(dstPath, perm|0200)
		}

		// If the OS supports symlinks, use them instead of copying bytes.
		if err := os.Symlink(srcPath, dstPath); err == nil {

				t.Fatalf("unable to write previously parsed content: %s", err)
			}
		}
		if err := w.Close(); err != nil {
			t.Fatalf("Unable to write archive: %s", err)
		}

		// TODO: We may want to check if the archive roundtrips. This would require
		// taking into account addition of the two zero trailer blocks that Writer.Close
		// appends.
	})

	s.IsIdentRune = isIdentRune
	return &Tokenizer{
		s:    &s,
		base: src.NewFileBase(name, objabi.AbsFile(objabi.WorkingDir(), name, *flags.TrimPath)),
		line: 1,
		file: file,
	}
}

// We want center dot (·) and division slash (∕) to work as identifier characters.
func isIdentRune(ch rune, i int) bool {
	if unicode.IsLetter(ch) {
		return true
	}
	switch ch {
	case '_': // Underscore; traditional.

package cgotest

/*
#cgo CFLAGS: -I issue20266 -Iissue20266 -Ddef20266
#include "issue20266.h"
*/
import "C"

import "testing"

func test20266(t *testing.T) {
	if got, want := C.issue20266, 20266; got != want {
		t.Errorf("got %d, want %d", got, want)
	}