### 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 (!valid) {
										_set_error(vformat(RTR("Argument %d of function '%s' can only take a local variable, array, or member."), arg_idx + 1, String(name)));
										return false;
									}
								}
							}
						}
						outarg_idx++;
					}
					
					for (int i = 0; i < argcount; i++) {
						if (get_scalar_type(args[i]) != args[i] || args[i] == builtin_func_defs[idx].args[i] || p_func->arguments[i + 1]->type != Node::NODE_TYPE_CONSTANT) {
							
							continue;
						}
						
						ConstantNode *constant = static_cast<ConstantNode *>(p_func->arguments[i + 1]);
						ConstantNode *conversion = alloc_node<ConstantNode>();
						conversion->datatype = builtin_func_defs[idx].args[i];
						conversion->values.resize(1);
						convert_constant(constant, builtin_func_defs[idx].args[i], conversion->values.ptrw());
						p_func->arguments.write[i + 1] = conversion;
					}
					if (r_ret_type) {
						*r_ret_type = builtin_func_defs[idx].rettype;
					}
					return true;
				}
			}