}
var args = eval_args(this.args);
if (!args && !ignore_side_effects) return this;
- if (!stat.value) return;
+ var val = stat.value;
+ if (!val) return;
var cached_args = [];
- if (args && !all(fn.argnames, function(sym, i) {
+ if (!args || all(fn.argnames, function(sym, i) {
var value = args[i];
var def = sym.definition();
if (def.orig[def.orig.length - 1] !== sym) return false;
cached_args.push(node);
});
return true;
- }) && !ignore_side_effects) return this;
- fn.evaluating = true;
- var val = stat.value._eval(compressor, ignore_side_effects, cached, depth);
- delete fn.evaluating;
+ }) || ignore_side_effects) {
+ fn.evaluating = true;
+ val = val._eval(compressor, ignore_side_effects, cached, depth);
+ delete fn.evaluating;
+ }
cached_args.forEach(function(node) {
delete node._eval;
});
- if (val === stat.value) return this;
- return val;
+ return val === stat.value ? this : val;
} else if (compressor.option("unsafe") && exp instanceof AST_PropAccess) {
var key = exp.property;
if (key instanceof AST_Node) {
}
expect_stdout: "PASS"
}
+
+issue_3905: {
+ options = {
+ evaluate: true,
+ passes: 2,
+ unused: true,
+ }
+ input: {
+ (function(a, a) {
+ return console.log(a = 0), a && console.log("FAIL");
+ })("foo", 42);
+ }
+ expect: {
+ (function(a, a) {
+ return console.log(a = 0), a && console.log("FAIL");
+ })("foo", 42);
+ }
+ expect_stdout: "0"
+}