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Merge branch 'master' into harmony

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This commit is contained in:
Richard van Velzen
2015-09-13 14:17:45 +02:00
parent 3d7f73114d ba939ccd6c
commit 991fa99655
5 changed files with 44 additions and 13 deletions
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14
lib/compress.js
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@@ -1954,15 +1954,11 @@ merge(Compressor.prototype, {
if (!compressor.option("side_effects"))
return self;
if (!self.car.has_side_effects(compressor)) {
// we shouldn't compress (1,eval)(something) to
// eval(something) because that changes the meaning of
// eval (becomes lexical instead of global).
var p;
if (!(self.cdr instanceof AST_SymbolRef
&& self.cdr.name == "eval"
&& self.cdr.undeclared()
&& (p = compressor.parent()) instanceof AST_Call
&& p.expression === self)) {
// we shouldn't compress (1,func)(something) to
// func(something) because that changes the meaning of
// the func (becomes lexical instead of global).
var p = compressor.parent();
if (!(p instanceof AST_Call && p.expression === self)) {
return self.cdr;
}
}