diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e693316..7748567 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,7 +6,7 @@ jobs:
   unit-benchmark-test:
     strategy:
       matrix:
-        go: [ "1.21", "1.22" ]
+        go: [ "1.21", "1.22", "1.23" ]
         os: [ X64 ]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/pkg/proc/eval.go b/pkg/proc/eval.go
index cd15e40..59f1253 100644
--- a/pkg/proc/eval.go
+++ b/pkg/proc/eval.go
@@ -48,28 +48,30 @@ func (scope *myEvalScope) Locals(t *proc.Target, g *proc.G, threadID int, mds []
 	if err != nil {
 		return nil, err
 	}
-	if rpn := rangeParentName(scope.Fn.Name); rpn == "" {
-		return vars, nil
-	}
-
-	rangeFrames, err := rangeFuncStackTrace(t, g)
-	if err != nil {
-		return vars, nil
-	}
-	rangeFrames = rangeFrames[2:] // skip the first frame and its return frame
-	enclosingRangeScopes := make([]*myEvalScope, len(rangeFrames)/2)
-
-	for i, scope2 := range enclosingRangeScopes {
-		if scope2 == nil {
-			scope2 := &myEvalScope{EvalScope: *proc.FrameToScope(t, t.Memory(), g, threadID, rangeFrames[2*i:]...)}
-			enclosingRangeScopes[i] = scope2
+	/*
+		if rpn := rangeParentName(scope.Fn.Name); rpn == "" {
+			return vars, nil
 		}
-		vars2, err := scope2.simpleLocals(mds)
+
+		rangeFrames, err := rangeFuncStackTrace(t, g)
 		if err != nil {
-			continue
+			return vars, nil
 		}
-		vars = append(vars, vars2...)
-	}
+		rangeFrames = rangeFrames[2:] // skip the first frame and its return frame
+		enclosingRangeScopes := make([]*myEvalScope, len(rangeFrames)/2)
+
+		for i, scope2 := range enclosingRangeScopes {
+			if scope2 == nil {
+				scope2 := &myEvalScope{EvalScope: *proc.FrameToScope(t, t.Memory(), g, threadID, rangeFrames[2*i:]...)}
+				enclosingRangeScopes[i] = scope2
+			}
+			vars2, err := scope2.simpleLocals(mds)
+			if err != nil {
+				continue
+			}
+			vars = append(vars, vars2...)
+		}
+	*/
 	return vars, nil
 }
 
diff --git a/testdata/closure/main.go b/testdata/closure/main.go
new file mode 100644
index 0000000..edfe41e
--- /dev/null
+++ b/testdata/closure/main.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+	"sync"
+	"time"
+)
+
+type ctx struct {
+	a []byte
+	b *int64
+	c *string
+}
+
+func main() {
+	cf := getFunc()
+	var wg sync.WaitGroup
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		time.Sleep(100 * time.Second)
+		cf()
+	}()
+	wg.Wait()
+}
+
+func getFunc() func() {
+	a := make([]byte, 1024)
+	b := int64(123)
+	c := string(a)
+	myctx := &ctx{
+		a: a,
+		b: &b,
+		c: &c,
+	}
+	return func() {
+		println(myctx)
+	}
+}
diff --git a/testdata/rangeoverfunc/main.go b/testdata/rangeoverfunc/main.go
new file mode 100644
index 0000000..80252ee
--- /dev/null
+++ b/testdata/rangeoverfunc/main.go
@@ -0,0 +1,51 @@
+package main
+
+import (
+	"fmt"
+	"iter"
+	"strconv"
+	"time"
+)
+
+func main() {
+	set := New[string]()
+	for i := 10; i < 100; i++ {
+		set.Add(strconv.Itoa(i))
+	}
+	PrintAllElements[string](set)
+}
+
+// Set holds a set of elements.
+type Set[E comparable] struct {
+	m map[E]struct{}
+}
+
+// New returns a new [Set].
+func New[E comparable]() *Set[E] {
+	return &Set[E]{m: make(map[E]struct{})}
+}
+
+// All is an iterator over the elements of s.
+func (s *Set[E]) All() iter.Seq[E] {
+	return func(yield func(E) bool) {
+		for v := range s.m {
+			tmp := make([]byte, 1024)
+			str := string(tmp)
+			if !yield(v) {
+				return
+			}
+			go func() { println(str) }()
+		}
+	}
+}
+
+func (s *Set[E]) Add(v E) {
+	s.m[v] = struct{}{}
+}
+
+func PrintAllElements[E comparable](s *Set[E]) {
+	for v := range s.All() {
+		time.Sleep(100 * time.Second)
+		fmt.Println(v)
+	}
+}