}
}));
self.transform(new TreeTransformer(function(node, descend) {
+ if (node instanceof AST_Binary) return replace("right");
if (node instanceof AST_PropAccess) {
if (!(node.expression instanceof AST_SymbolRef)) return;
var defs = defs_by_id[node.expression.definition().id];
}
if (node instanceof AST_Unary) {
if (unary_side_effects[node.operator]) return;
- if (!(node.expression instanceof AST_SymbolRef)) return;
- if (!(node.expression.definition().id in defs_by_id)) return;
+ return replace("expression");
+ }
+
+ function replace(prop) {
+ var sym = node[prop];
+ if (!(sym instanceof AST_SymbolRef)) return;
+ if (!(sym.definition().id in defs_by_id)) return;
var opt = node.clone();
- opt.expression = make_node(AST_Object, node, {
+ opt[prop] = make_node(AST_Object, sym, {
properties: []
});
return opt;
}
expect_stdout: "undefined"
}
+
+issue_4023: {
+ options = {
+ comparisons: true,
+ hoist_props: true,
+ inline: true,
+ reduce_vars: true,
+ toplevel: true,
+ typeofs: true,
+ unused: true,
+ }
+ input: {
+ function f() {
+ var a = function() {
+ return { p: 0 };
+ }();
+ return console.log("undefined" != typeof a);
+ }
+ f();
+ }
+ expect: {
+ console.log(void 0 !== {});
+ }
+ expect_stdout: "true"
+}