fix AST_VarDef.may_throw() (#2580)

2017-12-12 03:30:25 +08:00
parent f2ad542679
commit ebfd5c5c74
2 changed files with 21 additions and 0 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -2399,6 +2399,7 @@ merge(Compressor.prototype, {
            return this.expression.may_throw(compressor);
        });
        def(AST_VarDef, function(compressor){
+            if (!this.value) return false;
            return this.value.may_throw(compressor);
        });
    })(function(node, func){