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remove duplicated optimisation for AST_Case

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- `expression` already handled by existing rules during `descend(node, this)`
- `body` can be handled by `OPT(AST_Block)`
This commit is contained in:
alexlamsl 2017-03-26 04:03:15 +08:00
parent c7a4c579e7
commit 1c1e673e52
1 changed files with 0 additions and 10 deletions
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10
lib/compress.js
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@ -2591,16 +2591,6 @@ merge(Compressor.prototype, {
return self;
});
OPT(AST_Case, function(self, compressor){
var value = self.expression.evaluate(compressor);
if (value !== self.expression) {
var expression = make_node_from_constant(value, self.expression).transform(compressor);
self.expression = best_of_expression(expression, self.expression);
}
self.body = tighten_body(self.body, compressor);
return self;
});
OPT(AST_Try, function(self, compressor){
self.body = tighten_body(self.body, compressor);
return self;