### Godot version

4.2 (c5da2e54fe50cad34b5f93fa10538978b33af88d)

### System information

Windows 11

### Issue description

Attempting to run a scene with the following script report Identifier not found error:

![image](https://github.com/godotengine/godot/assets/3036176/3a63b930-0588-499d-80a2-4f88f5f07116)

This does not happen on 4.1.1 so this is a regression.

### Steps to reproduce

Create a script derived from Control and try to get access to the mouse_entered signal.

### Minimal reproduction project

[TestBug.zip](https://github.com/godotengine/godot/files/12237764/TestBug.zip)

return codegen.parameters.has(p_name) || codegen.locals.has(p_name);
}
void GDScriptCompiler::_set_error(const String &p_error, const GDScriptParser::Node *p_node) {
	if (!error.is_empty()) {
		return;
	}
	error = p_error;
	if (p_node) {
		err_line = p_node->start_line;
		err_column = p_node->leftmost_column;
	} else {
		err_line = 0;
		err_column = 0;
	}
}
GDScriptDataType GDScriptCompiler::_gdtype_from_datatype(const GDScriptParser::DataType &p_datatype, GDScript *p_owner) {
	if (!p_datatype.is_set() || !p_datatype.is_hard_type() || p_datatype.is_coroutine) {
		return GDScriptDataType();
	}
	GDScriptDataType result;
	result.has_type = true;
	switch (p_datatype.kind) {
		case GDScriptParser::DataType::VARIANT: {
			result.has_type = false;
		} break;
		case GDScriptParser::DataType::BUILTIN: {
			result.kind = GDScriptDataType::BUILTIN;
			result.builtin_type = p_datatype.builtin_type;