fn.inlined = false;
var iife;
if (!fn.name && (iife = tw.parent()) instanceof AST_Call && iife.expression === fn) {
+ var hit = false;
+ var aborts = false;
+ fn.walk(new TreeWalker(function(node) {
+ if (hit) return aborts = true;
+ if (node instanceof AST_Return) return hit = true;
+ if (node instanceof AST_Scope && node !== fn) return true;
+ }));
+ if (aborts) push(tw);
reset_variables(tw, compressor, fn);
// Virtually turn IIFE parameters into variable definitions:
// (function(a,b) {...})(c,d) => (function() {var a=c,b=d; ...})()
d.fixed = false;
}
});
- var has_return = false;
- var visit = tw.visit;
- tw.visit = function(node, descend) {
- var ret = visit.call(tw, node, descend);
- if (!has_return && node instanceof AST_Return && tw.find_parent(AST_Scope) === fn) {
- has_return = true;
- push(tw);
- }
- return ret;
- };
descend();
- tw.visit = visit;
var safe_ids = tw.safe_ids;
pop(tw);
walk_defuns(tw, fn);
- if (!has_return) tw.safe_ids = safe_ids;
+ if (!aborts) tw.safe_ids = safe_ids;
} else {
push(tw);
reset_variables(tw, compressor, fn);
}
expect_stdout: "PASS"
}
+
+issue_3844: {
+ options = {
+ evaluate: true,
+ reduce_vars: true,
+ toplevel: true,
+ }
+ input: {
+ console.log(function() {
+ if (!console) switch (A = 0) {
+ case console.log("FAIL"):
+ return;
+ }
+ return typeof A;
+ }());
+ }
+ expect: {
+ console.log(function() {
+ if (!console) switch (A = 0) {
+ case console.log("FAIL"):
+ return;
+ }
+ return typeof A;
+ }());
+ }
+ expect_stdout: "undefined"
+}