fix cascade on anonymous function reference (#1693)

Unlike normal variables and even function definitions, these cannot be reassigned, even though assignment expressions would "leak" the assigned value as normal.
2017-03-27 01:58:21 +08:00
parent 57ce5bd9e0
commit f001e4cb9d
2 changed files with 113 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -2922,7 +2922,9 @@ merge(Compressor.prototype, {
                && (self.car.operator == "++" || self.car.operator == "--")) {
                left = self.car.expression;
            }
-            if (left) {
+            if (left
+                && !(left instanceof AST_SymbolRef
+                    && left.definition().orig[0] instanceof AST_SymbolLambda)) {
                var parent, field;
                var cdr = self.cdr;
                while (true) {