if (node instanceof AST_SymbolRef) {
var d = node.definition();
d.references.push(node);
+ if (d.references.length == 1
+ && !d.fixed
+ && d.orig[0] instanceof AST_SymbolDefun) {
+ loop_ids[d.id] = in_loop;
+ }
var value;
if (d.fixed === undefined || !safe_to_read(d) || d.single_use == "m") {
d.fixed = false;
d.fixed = false;
} else {
d.fixed = node;
+ d.single_use = ref_once(d);
loop_ids[d.id] = in_loop;
mark(d, true);
- d.single_use = ref_once(d);
}
var save_ids = safe_ids;
safe_ids = Object.create(null);
}
expect_stdout: true
}
+
+defun_single_use_loop: {
+ options = {
+ reduce_vars: true,
+ toplevel: true,
+ unused: true,
+ }
+ input: {
+ for (var x, i = 2; --i >= 0; ) {
+ var y = x;
+ x = f;
+ console.log(x === y);
+ }
+ function f() {};
+ }
+ expect: {
+ for (var x, i = 2; --i >= 0; ) {
+ var y = x;
+ x = f;
+ console.log(x === y);
+ }
+ function f() {};
+ }
+ expect_stdout: [
+ "false",
+ "true",
+ ]
+}