### 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
return _make_token(TK_OP_ASSIGN_DIV);
					} break;
					default:
						return _make_token(TK_OP_DIV);
				}
				continue; 
			} break;
			case '=': {
				if (GETCHAR(0) == '=') {
					char_idx++;
					return _make_token(TK_OP_EQUAL);
				}
				return _make_token(TK_OP_ASSIGN);
			} break;
			case '<': {
				if (GETCHAR(0) == '=') {
					char_idx++;
					return _make_token(TK_OP_LESS_EQUAL);
				} else if (GETCHAR(0) == '<') {
					char_idx++;
					if (GETCHAR(0) == '=') {
						char_idx++;
						return _make_token(TK_OP_ASSIGN_SHIFT_LEFT);
					}
					return _make_token(TK_OP_SHIFT_LEFT);
				}
				return _make_token(TK_OP_LESS);
			} break;
			case '>': {
				if (GETCHAR(0) == '=') {