error_(sel.Pos(), `cannot define new methods on non-local type %s`, &buf)
					}
				}
			}
		}

	}
	if !sawC {
		error_(ast1.Package, `cannot find import "C"`)
	}

	// In ast2, strip the import "C" line.
	if *godefs {
		w := 0
		for _, decl := range ast2.Decls {
			d, ok := decl.(*ast.GenDecl)
			if !ok {
				ast2.Decls[w] = decl
				w++
				continue
			}
			ws := 0

				isFuncSym := strings.HasSuffix(test.input, "(SB)") &&
					// Ignore static symbols.
					!strings.Contains(test.input, "<>")

				wantName := ""
				if isFuncSym {
					// Strip $|* and (SB) and +Int.
					wantName = test.output[:len(test.output)-4]
					if strings.HasPrefix(wantName, "$") || strings.HasPrefix(wantName, "*") {
						wantName = wantName[1:]
					}

pkg syscall (netbsd-arm64-cgo), const ISIG = 128
pkg syscall (netbsd-arm64-cgo), const ISIG ideal-int
pkg syscall (netbsd-arm64-cgo), const ISTRIP = 32
pkg syscall (netbsd-arm64-cgo), const ISTRIP ideal-int
pkg syscall (netbsd-arm64-cgo), const IXANY = 2048
pkg syscall (netbsd-arm64-cgo), const IXANY ideal-int
pkg syscall (netbsd-arm64-cgo), const IXOFF = 1024

pkg syscall (darwin-386), const IP_UNBLOCK_SOURCE = 73
pkg syscall (darwin-386), const ISIG = 128
pkg syscall (darwin-386), const ISIG ideal-int
pkg syscall (darwin-386), const ISTRIP = 32
pkg syscall (darwin-386), const ISTRIP ideal-int
pkg syscall (darwin-386), const IUTF8 = 16384
pkg syscall (darwin-386), const IUTF8 ideal-int
pkg syscall (darwin-386), const IXANY = 2048
pkg syscall (darwin-386), const IXANY ideal-int

pkg syscall (freebsd-386-cgo), const IP_SENDSRCADDR ideal-int
pkg syscall (freebsd-386-cgo), const IP_UNBLOCK_SOURCE ideal-int
pkg syscall (freebsd-386-cgo), const ISIG ideal-int
pkg syscall (freebsd-386-cgo), const ISTRIP ideal-int
pkg syscall (freebsd-386-cgo), const IXANY ideal-int
pkg syscall (freebsd-386-cgo), const IXOFF ideal-int
pkg syscall (freebsd-386-cgo), const IXON ideal-int

pkg go/types, type ImporterFrom interface, Import(string) (*Package, error)
pkg go/types, type ImporterFrom interface, ImportFrom(string, string, ImportMode) (*Package, error)
pkg html/template, func IsTrue(interface{}) (bool, bool)
pkg html/template, method (*Template) DefinedTemplates() string
pkg image, func NewNYCbCrA(Rectangle, YCbCrSubsampleRatio) *NYCbCrA
pkg image, method (*NYCbCrA) AOffset(int, int) int

// slice or array being indexed, but no other part of the memory allocation.
func (p *Package) checkIndex(sb, sbCheck *bytes.Buffer, arg ast.Expr, i int) bool {
	// Strip type conversions.
	x := arg
	for {
		c, ok := x.(*ast.CallExpr)
		if !ok || len(c.Args) != 1 {
			break
		}
		if !p.isType(c.Fun) && !p.isUnsafeData(c.Fun, false) {
			break
		}

pkg syscall (darwin-arm64), const IP_UNBLOCK_SOURCE ideal-int
pkg syscall (darwin-arm64), const ISIG = 128
pkg syscall (darwin-arm64), const ISIG ideal-int
pkg syscall (darwin-arm64), const ISTRIP = 32
pkg syscall (darwin-arm64), const ISTRIP ideal-int
pkg syscall (darwin-arm64), const IUTF8 = 16384
pkg syscall (darwin-arm64), const IUTF8 ideal-int
pkg syscall (darwin-arm64), const IXANY = 2048

pkg syscall (freebsd-arm64), const IPV6_VERSION_MASK ideal-int
pkg syscall (freebsd-arm64), const ISIG = 128
pkg syscall (freebsd-arm64), const ISIG ideal-int
pkg syscall (freebsd-arm64), const ISTRIP = 32
pkg syscall (freebsd-arm64), const ISTRIP ideal-int
pkg syscall (freebsd-arm64), const IXANY = 2048
pkg syscall (freebsd-arm64), const IXANY ideal-int
pkg syscall (freebsd-arm64), const IXOFF = 1024

pkg syscall (linux-386), const IP_UNBLOCK_SOURCE ideal-int
pkg syscall (linux-386), const IP_XFRM_POLICY ideal-int
pkg syscall (linux-386), const ISIG ideal-int
pkg syscall (linux-386), const ISTRIP ideal-int
pkg syscall (linux-386), const IUCLC ideal-int
pkg syscall (linux-386), const IUTF8 ideal-int
pkg syscall (linux-386), const IXANY ideal-int
pkg syscall (linux-386), const IXOFF ideal-int