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This commit is contained in:
Mihai Bazon
2013-12-10 19:39:03 +02:00
parent a790c09c91
commit df8c5623af
1 changed files with 9 additions and 3 deletions
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10
lib/compress.js
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@@ -1811,10 +1811,16 @@ merge(Compressor.prototype, {
}
if (compressor.option("cascade")) {
if (self.car instanceof AST_Assign
&& !self.car.left.has_side_effects(compressor)
&& self.car.left.equivalent_to(self.cdr)) {
&& !self.car.left.has_side_effects(compressor)) {
if (self.car.left.equivalent_to(self.cdr)) {
return self.car;
}
if (self.cdr instanceof AST_Call
&& self.cdr.expression.equivalent_to(self.car.left)) {
self.cdr.expression = self.car;
return self.cdr;
}
}
if (!self.car.has_side_effects(compressor)
&& !self.cdr.has_side_effects(compressor)
&& self.car.equivalent_to(self.cdr)) {