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fix corner case in merge_vars (#5472)

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fixes #5471
This commit is contained in:
Alex Lam S.L
2022-05-26 20:13:24 +01:00
committed by GitHub
parent 0dbf2b1d3c
commit 94aae05d45
5 changed files with 102 additions and 18 deletions
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13
lib/compress.js
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@@ -6161,15 +6161,8 @@ Compressor.prototype.compress = function(node) {
return true;
}
if (node instanceof AST_Scope) {
var in_iife = false;
if (node instanceof AST_LambdaExpression && !node.name && !is_async(node) && !is_generator(node)) {
var parent = tw.parent();
in_iife = parent && parent.TYPE == "Call" && parent.expression === node;
}
if (!in_iife) {
push();
segment.block = node;
}
push();
segment.block = node;
if (node === self) root = segment;
if (node instanceof AST_Lambda) {
if (node.name) references[node.name.definition().id] = false;
@@ -6186,7 +6179,7 @@ Compressor.prototype.compress = function(node) {
in_arg.pop();
}
walk_lambda(node, tw);
if (!in_iife) pop();
pop();
return true;
}
if (node instanceof AST_Sub) {