if line != wantHdr {
		Errorf(nil, "%s: linked object header mismatch:\nhave %q\nwant %q\n", pn, line, wantHdr)
	}

	// Skip over exports and other info -- ends with \n!\n.
	//
	// Note: It's possible for "\n!\n" to appear within the binary
	// package export data format. To avoid truncating the package
	// definition prematurely (issue 21703), we keep track of

		// and also because -godefs mode still prints the AST.
		old := *r.Expr
		*r.Expr = expr

		// Record source-level edit for cgo output.
		if !r.Done {
			// Prepend a space in case the earlier code ends
			// with '/', which would give us a "//" comment.
			repl := " " + gofmtPos(expr, old.Pos())
			end := fset.Position(old.End())
			// Subtract 1 from the column if we are going to