Prevent error for Function(""). Close #538
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@@ -1745,6 +1745,7 @@ merge(Compressor.prototype, {
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} catch(ex) {
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} catch(ex) {
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if (ex !== ast) throw ex;
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if (ex !== ast) throw ex;
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};
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};
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if (!fun) return self;
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var args = fun.argnames.map(function(arg, i){
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var args = fun.argnames.map(function(arg, i){
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return make_node(AST_String, self.args[i], {
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return make_node(AST_String, self.args[i], {
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value: arg.print_to_string()
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value: arg.print_to_string()
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