### 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
p_block->block_tag = SubClassTag::TAG_GLOBAL;
						}
						if (!mn->call_expression) {
							return nullptr;
						}
					} else if (tk.type == TK_BRACKET_OPEN) {
						Node *index_expression = _parse_and_reduce_expression(p_block, p_function_info);
						if (!index_expression) {
							return nullptr;
						}
						if (index_expression->get_array_size() != 0 || (index_expression->get_datatype() != TYPE_INT && index_expression->get_datatype() != TYPE_UINT)) {
							_set_error(RTR("Only integer expressions are allowed for indexing."));
							return nullptr;
						}
						if (index_expression->type == Node::NODE_TYPE_CONSTANT) {
							ConstantNode *cnode = static_cast<ConstantNode *>(index_expression);
							if (cnode) {
								if (!cnode->values.is_empty()) {
									int value = cnode->values[0].sint;
									if (value < 0 || value >= array_size) {
										_set_error(vformat(RTR("Index [%d] out of range [%d..%d]."), value, 0, array_size - 1));
										return nullptr;
									}
								}
							}
						}
						tk = _get_token();
						if (tk.type != TK_BRACKET_CLOSE) {
							_set_expected_error("]");
							return nullptr;