diff options
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js index c8c08a0e..a56e9331 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -3938,7 +3938,8 @@ merge(Compressor.prototype, { }); def(AST_Binary, function(compressor) { return this.left.may_throw(compressor) - || this.right.may_throw(compressor); + || this.right.may_throw(compressor) + || this.operator == "in" && !is_object(this.right.tail_node()); }); def(AST_Block, function(compressor) { return any(this.body, compressor); |