compiler: build separation runtime with clite

runtime/internal/clite/debug/_demo/stacktrace/main.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"unsafe"
+
+	"github.com/goplus/llgo/runtime/internal/clite/debug"
+)
+
+type T struct {
+	n int
+}
+
+func (t *T) Demo() {
+	println(t.n)
+	debug.StackTrace(0, func(fr *debug.Frame) bool {
+		var info debug.Info
+		debug.Addrinfo(unsafe.Pointer(fr.PC), &info)
+		println("[", fr.PC, "]", fr.Name, "+", fr.Offset, ", SP =", fr.SP)
+		return true
+	})
+}
+
+func main() {
+	t := &T{100}
+	t.Demo()
+}