for (var i = stat_index; !abort && i < statements.length; i++) {
statements[i].transform(multi_replacer);
}
+ value_def.single_use = false;
}
}
if (replaced && !remove_candidate(candidate)) statements.splice(stat_index, 1);
&& (exp === fn ? !fn.name
: compressor.option("unused")
&& (def = exp.definition()).references.length == 1
- && !recursive_ref(compressor, def))
+ && !recursive_ref(compressor, def)
+ && fn.is_constant_expression(exp.scope))
&& !self.has_pure_annotation(compressor)
&& !fn.contains_this()
&& (scope = can_flatten_args(fn))
&& (value = flatten_body(stat))) {
var expressions = flatten_args(fn, scope);
- expressions.push(value);
+ expressions.push(value.clone(true));
return make_sequence(self, expressions).optimize(compressor);
}
if (compressor.option("side_effects") && all(fn.body, is_empty)) {
}
expect_stdout: "PASS"
}
+
+issue_2630_1: {
+ options = {
+ collapse_vars: true,
+ inline: true,
+ passes: 2,
+ reduce_funcs: true,
+ reduce_vars: true,
+ sequences: true,
+ side_effects: true,
+ unused: true,
+ }
+ input: {
+ var c = 0;
+ (function() {
+ while (f());
+ function f() {
+ var a = function() {
+ var b = c++, d = c = 1 + c;
+ }();
+ }
+ })();
+ console.log(c);
+ }
+ expect: {
+ var c = 0;
+ (function() {
+ while (c++, void (c = 1 + c));
+ })(),
+ console.log(c);
+ }
+ expect_stdout: "2"
+}
+
+issue_2630_2: {
+ options = {
+ collapse_vars: true,
+ inline: true,
+ passes: 2,
+ reduce_vars: true,
+ sequences: true,
+ unused: true,
+ }
+ input: {
+ var c = 0;
+ !function() {
+ while (f()) {}
+ function f() {
+ var not_used = function() {
+ c = 1 + c;
+ }(c = c + 1);
+ }
+ }();
+ console.log(c);
+ }
+ expect: {
+ var c = 0;
+ !function() {
+ while (c += 1, void (c = 1 + c));
+ }(), console.log(c);
+ }
+ expect_stdout: "2"
+}
+
+issue_2630_3: {
+ options = {
+ inline: true,
+ reduce_vars: true,
+ unused: true,
+ }
+ input: {
+ var x = 2, a = 1;
+ (function() {
+ function f1(a) {
+ f2();
+ --x >= 0 && f1({});
+ }
+ f1(a++);
+ function f2() {
+ a++;
+ }
+ })();
+ console.log(a);
+ }
+ expect: {
+ var x = 2, a = 1;
+ (function() {
+ function f1(a) {
+ f2();
+ --x >= 0 && f1({});
+ }
+ f1(a++);
+ function f2() {
+ a++;
+ }
+ })();
+ console.log(a);
+ }
+ expect_stdout: "5"
+}
+
+issue_2630_4: {
+ options = {
+ collapse_vars: true,
+ inline: true,
+ reduce_vars: true,
+ side_effects: true,
+ unused: true,
+ }
+ input: {
+ var x = 3, a = 1, b = 2;
+ (function() {
+ (function f1() {
+ while (--x >= 0 && f2());
+ }());
+ function f2() {
+ a++ + (b += a);
+ }
+ })();
+ console.log(a);
+ }
+ expect: {
+ var x = 3, a = 1, b = 2;
+ (function() {
+ (function() {
+ while (--x >= 0 && void (a++, b += a));
+ })();
+ })();
+ console.log(a);
+ }
+ expect_stdout: "2"
+}
+
+issue_2630_5: {
+ options = {
+ collapse_vars: true,
+ inline: true,
+ reduce_vars: true,
+ unused: true,
+ }
+ input: {
+ var c = 1;
+ !function() {
+ do {
+ c *= 10;
+ } while (f());
+ function f() {
+ return function() {
+ return (c = 2 + c) < 100;
+ }(c = c + 3);
+ }
+ }();
+ console.log(c);
+ }
+ expect: {
+ var c = 1;
+ !function() {
+ do {
+ c *= 10;
+ } while (c += 3, (c = 2 + c) < 100);
+ }();
+ console.log(c);
+ }
+ expect_stdout: "155"
+}