diff options
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/compress.js b/lib/compress.js index 1d4e719a..ddf2b10d 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -2481,6 +2481,20 @@ merge(Compressor.prototype, { }); OPT(AST_Call, function(self, compressor){ + if (compressor.option("unused") + && self.expression instanceof AST_Function + && !self.expression.uses_arguments + && !self.expression.uses_eval + && self.args.length > self.expression.argnames.length) { + var end = self.expression.argnames.length; + for (var i = end, len = self.args.length; i < len; i++) { + var node = self.args[i].drop_side_effect_free(compressor); + if (node) { + self.args[end++] = node; + } + } + self.args.length = end; + } if (compressor.option("unsafe")) { var exp = self.expression; if (exp instanceof AST_SymbolRef && exp.undeclared()) { |