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account for catch in constant lambda expressions (#3454)

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Alex Lam S.L 2019-10-06 16:51:37 +08:00 committed by GitHub
parent 0a63f2f2b0
commit 8a4c7077bb
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1 changed files with 6 additions and 0 deletions
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6
lib/compress.js
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@ -3403,6 +3403,12 @@ merge(Compressor.prototype, {
var inner_scopes = [];
self.walk(new TreeWalker(function(node, descend) {
if (!result) return true;
if (node instanceof AST_Catch) {
inner_scopes.push(node.argname.scope);
descend();
inner_scopes.pop();
return true;
}
if (node instanceof AST_Scope && node !== self) {
inner_scopes.push(node);
descend();