if (fn.rest) {
if (!(is_iife && compressor.option("rests"))) return;
var insert = fn.argnames.length;
- for (var i = args.length; i < insert; i++) {
- args[i] = make_node(AST_Undefined, call).optimize(compressor);
- }
- args[insert] = make_node(AST_Array, call, { elements: args.splice(insert) });
- fn.argnames.push(fn.rest);
+ args = args.slice(0, insert);
+ while (args.length < insert) args.push(make_node(AST_Undefined, call).optimize(compressor));
+ args.push(make_node(AST_Array, call, { elements: call.args.slice(insert) }));
+ call.args = args;
+ fn.argnames = fn.argnames.concat(fn.rest);
fn.rest = null;
}
var pos = 0, last = 0;
expect_stdout: "f"
node_version: ">=6"
}
+
+issue_4575: {
+ options = {
+ collapse_vars: true,
+ ie8: true,
+ reduce_vars: true,
+ rests: true,
+ unused: true,
+ }
+ input: {
+ A = "PASS";
+ (function() {
+ var a = 0, b = a;
+ var c = function a(...b) {
+ A;
+ var d = A;
+ console.log(d, b.length);
+ }();
+ })();
+ }
+ expect: {
+ A = "PASS";
+ (function() {
+ (function(b) {
+ A;
+ var d = A;
+ console.log(d, b.length);
+ })([]);
+ })();
+ }
+ expect_stdout: "PASS 0"
+ node_version: ">=6"
+}