Consider yield expressions as having side-effects

See #1043
2016-04-13 14:39:49 +02:00
parent 91cdb93e57
commit eaf3911c31
2 changed files with 31 additions and 3 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -978,9 +978,7 @@ merge(Compressor.prototype, {
                || this.alternative.has_side_effects(compressor);
        });
        def(AST_Unary, function(compressor){
-            return this.operator == "delete"
-                || this.operator == "++"
-                || this.operator == "--"
+            return member(this.operator, ["delete", "++", "--", "yield", "yield*"])
                || this.expression.has_side_effects(compressor);
        });
        def(AST_SymbolRef, function(compressor){