### Godot version

4.0.3

### System information

Win7

### Issue description

![image](https://github.com/godotengine/godot/assets/28286958/abec9d3c-e078-424c-9430-d9fe8897aad6)


### Steps to reproduce

1. Create shader
2. Add uint with hex, e.g. 0xffffu

### Minimal reproduction project

N/A
}
				}
				if (member_count == 0) {
					_set_error(RTR("Empty structs are not allowed."));
					return ERR_PARSE_ERROR;
				}
#ifdef DEBUG_ENABLED
				keyword_completion_context = CF_UNSPECIFIED;
#endif 
				tk = _get_token();
				if (tk.type != TK_SEMICOLON) {
					_set_expected_error(";");
					return ERR_PARSE_ERROR;
				}
#ifdef DEBUG_ENABLED
				keyword_completion_context = CF_GLOBAL_SPACE;
#endif 
				shader->structs[st.name] = st;
				shader->vstructs.push_back(st); 
#ifdef DEBUG_ENABLED
				if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_STRUCT_FLAG)) {
					used_structs.insert(st.name, Usage(tk_line));
				}
#endif 
			} break;
			case TK_GLOBAL: {
#ifdef DEBUG_ENABLED
				keyword_completion_context = CF_UNIFORM_KEYWORD;
				if (_lookup_next(next)) {
					if (next.type == TK_UNIFORM) {