Show function name in debugger stack trace

Also show script and line when the instance is gone when resuming from
yield.

editor/script_editor_debugger.cpp

@@ -622,8 +622,7 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, const Array &p_da
 			d["frame"] = i;
 			s->set_metadata(0, d);
 
-			//String line = itos(i)+" - "+String(d["file"])+":"+itos(d["line"])+" - at func: "+d["function"];
-			String line = itos(i) + " - " + String(d["file"]) + ":" + itos(d["line"]);
+			String line = itos(i) + " - " + String(d["file"]) + ":" + itos(d["line"]) + " - at function: " + d["function"];
 			s->set_text(0, line);
 
 			if (i == 0)

modules/gdscript/gdscript_function.cpp

@@ -1778,7 +1778,7 @@ Variant GDScriptFunctionState::_signal_callback(const Variant **p_args, int p_ar
 
 	if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) {
 #ifdef DEBUG_ENABLED
-		ERR_EXPLAIN("Resumed after yield, but class instance is gone");
+		ERR_EXPLAIN("Resumed function '" + String(function->get_name()) + "()' after yield, but class instance is gone. At script: " + state.script->get_path() + ":" + itos(state.line));
 		ERR_FAIL_V(Variant());
 #else
 		return Variant();
@@ -1874,7 +1874,7 @@ Variant GDScriptFunctionState::resume(const Variant &p_arg) {
 	ERR_FAIL_COND_V(!function, Variant());
 	if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) {
 #ifdef DEBUG_ENABLED
-		ERR_EXPLAIN("Resumed after yield, but class instance is gone");
+		ERR_EXPLAIN("Resumed function '" + String(function->get_name()) + "()' after yield, but class instance is gone. At script: " + state.script->get_path() + ":" + itos(state.line));
 		ERR_FAIL_V(Variant());
 #else
 		return Variant();