update to golang.org/x/{crypto,net,text,sync,tools}@latest

vendor/golang.org/x/tools/internal/gcimporter/iexport.go

@@ -21,7 +21,6 @@ import (
 	"sort"
 	"strconv"
 	"strings"
-	"unsafe"
 
 	"golang.org/x/tools/go/types/objectpath"
 	"golang.org/x/tools/internal/aliases"
@@ -529,7 +528,7 @@ func (p *iexporter) doDecl(obj types.Object) {
 			if alias, ok := t.(*aliases.Alias); ok {
 				// Preserve materialized aliases,
 				// even of non-exported types.
-				t = aliasRHS(alias)
+				t = aliases.Rhs(alias)
 			}
 			w.typ(t, obj.Pkg())
 			break
@@ -1331,19 +1330,3 @@ func (e internalError) Error() string { return "gcimporter: " + string(e) }
 func internalErrorf(format string, args ...interface{}) error {
 	return internalError(fmt.Sprintf(format, args...))
 }
-
-// aliasRHS removes exactly one Alias constructor.
-func aliasRHS(alias *aliases.Alias) types.Type {
-	// TODO(adonovan): if proposal #66559 is accepted, this will
-	// become Alias.RHS(alias). In the meantime, we must punch
-	// through the drywall.
-	type go123Alias struct {
-		_   *types.TypeName
-		_   *types.TypeParamList
-		RHS types.Type
-		_   types.Type
-	}
-	var raw *go123Alias
-	*(**aliases.Alias)(unsafe.Pointer(&raw)) = alias
-	return raw.RHS
-}

vendor/golang.org/x/tools/internal/gcimporter/iimport.go

@@ -210,6 +210,7 @@ func iimportCommon(fset *token.FileSet, getPackages GetPackagesFunc, data []byte
 	p := iimporter{
 		version: int(version),
 		ipath:   path,
+		aliases: aliases.Enabled(),
 		shallow: shallow,
 		reportf: reportf,
 
@@ -369,6 +370,7 @@ type iimporter struct {
 	version int
 	ipath   string
 
+	aliases bool
 	shallow bool
 	reportf ReportFunc // if non-nil, used to report bugs
 
@@ -567,7 +569,7 @@ func (r *importReader) obj(name string) {
 		// 	tparams := r.tparamList()
 		// 	alias.SetTypeParams(tparams)
 		// }
-		r.declare(aliases.NewAlias(pos, r.currPkg, name, typ))
+		r.declare(aliases.NewAlias(r.p.aliases, pos, r.currPkg, name, typ))
 
 	case constTag:
 		typ, val := r.value()

vendor/golang.org/x/tools/internal/gcimporter/ureader_yes.go

@@ -26,6 +26,7 @@ type pkgReader struct {
 
 	ctxt    *types.Context
 	imports map[string]*types.Package // previously imported packages, indexed by path
+	aliases bool                      // create types.Alias nodes
 
 	// lazily initialized arrays corresponding to the unified IR
 	// PosBase, Pkg, and Type sections, respectively.
@@ -99,6 +100,7 @@ func readUnifiedPackage(fset *token.FileSet, ctxt *types.Context, imports map[st
 
 		ctxt:    ctxt,
 		imports: imports,
+		aliases: aliases.Enabled(),
 
 		posBases: make([]string, input.NumElems(pkgbits.RelocPosBase)),
 		pkgs:     make([]*types.Package, input.NumElems(pkgbits.RelocPkg)),
@@ -524,7 +526,7 @@ func (pr *pkgReader) objIdx(idx pkgbits.Index) (*types.Package, string) {
 		case pkgbits.ObjAlias:
 			pos := r.pos()
 			typ := r.typ()
-			declare(aliases.NewAlias(pos, objPkg, objName, typ))
+			declare(aliases.NewAlias(r.p.aliases, pos, objPkg, objName, typ))
 
 		case pkgbits.ObjConst:
 			pos := r.pos()