diff options
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/lib/compress.js b/lib/compress.js index 6a76fc32..09019a74 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -5173,24 +5173,42 @@ merge(Compressor.prototype, { && !fn.uses_arguments && !fn.pinned()) { var pos = 0, last = 0; + var side_effects = []; for (var i = 0; i < self.args.length; i++) { var trim = i >= fn.argnames.length; if (trim || fn.argnames[i].__unused) { var node = self.args[i].drop_side_effect_free(compressor); - if (node) { - self.args[pos++] = node; + if (exp === fn) { + fn.argnames.splice(i, 1); + self.args.splice(i, 1); + if (node) side_effects.push(node); + i--; + continue; + } else if (node) { + side_effects.push(node); + self.args[pos++] = make_sequence(self, side_effects); + side_effects = []; } else if (!trim) { - self.args[pos++] = make_node(AST_Number, self.args[i], { - value: 0 - }); + if (side_effects.length) { + node = make_sequence(self, side_effects); + side_effects = []; + } else { + node = make_node(AST_Number, self.args[i], { + value: 0 + }); + } + self.args[pos++] = node; continue; } } else { - self.args[pos++] = self.args[i]; + side_effects.push(self.args[i]); + self.args[pos++] = make_sequence(self, side_effects); + side_effects = []; } last = pos; } self.args.length = last; + if (side_effects.length) self.args.push(make_sequence(self, side_effects)); } if (compressor.option("unsafe")) { if (is_undeclared_ref(exp)) switch (exp.name) { |