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Drop last default: if it's the last branch and empty

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Close #141
This commit is contained in:
Mihai Bazon
2013-03-01 13:12:03 +02:00
parent 8880f4824c
commit dac6efb43d
2 changed files with 62 additions and 5 deletions
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17
lib/compress.js
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@@ -1414,11 +1414,18 @@ merge(Compressor.prototype, {
body: self.expression
}).transform(compressor);
}
var last_branch = self.body[self.body.length - 1];
if (last_branch) {
var stat = last_branch.body[last_branch.body.length - 1]; // last statement
if (stat instanceof AST_Break && loop_body(compressor.loopcontrol_target(stat.label)) === self)
last_branch.body.pop();
for(;;) {
var last_branch = self.body[self.body.length - 1];
if (last_branch) {
var stat = last_branch.body[last_branch.body.length - 1]; // last statement
if (stat instanceof AST_Break && loop_body(compressor.loopcontrol_target(stat.label)) === self)
last_branch.body.pop();
if (last_branch instanceof AST_Default && last_branch.body.length == 0) {
self.body.pop();
continue;
}
}
break;
}
var exp = self.expression.evaluate(compressor);
out: if (exp.length == 2) try {