[doc] Add LLDB tips and tricks

docs/examples-debugging.md

@@ -22,3 +22,17 @@ Wasmtime:
     ```sh
     gdb --args wasmtime run -g foo.wasm
     ```
+
+If you run into trouble, the following discussions might help:
+
+- On MacOS with LLDB you may need to run: `settings set
+  plugin.jit-loader.gdb.enable on`
+  ([#1953](https://github.com/bytecodealliance/wasmtime/issues/1953))
+- With LLDB, call `__vmctx.set()` to set the current context before calling any
+  dereference operators
+  ([#1482](https://github.com/bytecodealliance/wasmtime/issues/1482)): 
+  ```sh
+  (lldb) p __vmctx->set()
+  (lldb) p *foo
+  ```
+