Cannot use protobuf

[darkweak]

The following program sample.go triggers an unexpected result

package main

var item = []byte(`YOUR_PB_BYTE`)

func main() {
	mapping := &StorageMapper{}
	if len(item) != 0 {
		e = proto.Unmarshal(item, mapping)
		if e != nil {
			panic(e)
		}
	}
}

Expected result

It should run

Got

CFG post-order panic: runtime error: index out of range [1] with length 0

Yaegi Version

latest

Additional Notes

No response

[tmackenzie]

I too have had this issue. Here is a an example project that shows the panic.
The failing build is here