### 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
n = static_cast<const MemberNode *>(n)->owner;
										}
										if (n->type != Node::NODE_TYPE_VARIABLE && n->type != Node::NODE_TYPE_ARRAY) {
											_set_error(vformat(RTR("Argument %d of function '%s' is not a variable, array, or member."), arg_idx + 1, String(name)));
											return false;
										}
										if (n->type == Node::NODE_TYPE_VARIABLE) {
											var_name = static_cast<const VariableNode *>(n)->name;
										} else { 
											var_name = static_cast<const ArrayNode *>(n)->name;
										}
									} else { 
										var_name = static_cast<const VariableNode *>(p_func->arguments[arg_idx + 1])->name;
									}
									const BlockNode *b = p_block;
									bool valid = false;
									while (b) {
										if (b->variables.has(var_name) || p_function_info.built_ins.has(var_name)) {
											valid = true;
											break;
										}
										if (b->parent_function) {
											for (int i = 0; i < b->parent_function->arguments.size(); i++) {
												if (b->parent_function->arguments[i].name == var_name) {
													valid = true;
													break;
												}
											}
										}
										b = b->parent_block;