<
index 2530ec9f..4aefb8db 100644
--- a/lib/compress.js
+++ b/lib/compress.js@@ -10913,9 +10913,10 @@ merge(Compressor.prototype, {
return self;
});
- function recursive_ref(compressor, def) {
+ function recursive_ref(compressor, def, fn) {
var level = 0, node = compressor.self();
do {
+ if (node === fn) return node;
if (is_lambda(node) && node.name && node.name.definition() === def) return node;
} while (node = compressor.parent(level++));
}
@@ -10951,7 +10952,7 @@ merge(Compressor.prototype, {
if ((def.scope !== self.scope.resolve() || def.in_loop)
&& (!compressor.option("reduce_funcs") || def.escaped.depth == 1 || fixed.inlined)) {
single_use = false;
- } else if (recursive_ref(compressor, def)) {
+ } else if (recursive_ref(compressor, def, fixed)) {
single_use = false;
} else if (fixed.name && fixed.name.definition() !== def) {
single_use = false;
@@ -7677,3 +7677,22 @@ issue_4949: {
}
expect_stdout: "0 1"
}
+
+issue_5048: {
+ options = {
+ reduce_funcs: true,
+ reduce_vars: true,
+ unused: true,
+ }
+ input: {
+ console.log(function() {
+ var a = function() {
+ return a + 42;
+ };
+ }());
+ }
+ expect: {
+ console.log(function() {}());
+ }
+ expect_stdout: "undefined"
+}
