if (stat_index == 0 && compressor.option("unused")) extract_args();
// Find collapsible assignments
var hit_stack = [];
+ var declare_only = Object.create(null);
extract_candidates(statements[stat_index]);
while (candidates.length > 0) {
hit_stack = candidates.pop();
candidates.push(hit_stack.slice());
}
extract_candidates(expr.value);
+ } else {
+ declare_only[expr.name.name] = (declare_only[expr.name.name] || 0) + 1;
}
}
hit_stack.pop();
if (!member(expr.name, def.orig)) return;
var referenced = def.references.length - def.replaced;
var declared = def.orig.length - def.eliminated;
+ declared -= declare_only[def.name] || 0;
if (declared > 1 && !(expr.name instanceof AST_SymbolFunarg)) {
mangleable_var(expr.value);
return make_node(AST_SymbolRef, expr.name, expr.name);
}
expect: {
var f1 = function(x, y) {
- var r = x + y, z = r * r - r, b = 7;
- console.log(z + b);
+ var r = x + y, a = r * r - r, b = 7;
+ console.log(a + b);
};
f1("1", 0);
}