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fix corner case in evaluate (#5775)

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fixes #5774
This commit is contained in:
Alex Lam S.L
2023-01-07 14:38:04 +02:00
committed by GitHub
parent f07dc5cfba
commit 57dd3f6a2c
2 changed files with 55 additions and 14 deletions
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31
lib/compress.js
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@@ -5431,22 +5431,25 @@ Compressor.prototype.compress = function(node) {
}
}
def(AST_SymbolRef, function(compressor, ignore_side_effects, cached, depth) {
var fixed = this.fixed_value();
if (!fixed) return this;
var value;
if (HOP(fixed, "_eval")) {
value = fixed._eval();
} else {
this._eval = return_this;
value = fixed._eval(compressor, ignore_side_effects, cached, depth);
this._eval = return_this;
try {
var fixed = this.fixed_value();
if (!fixed) return this;
var value;
if (HOP(fixed, "_eval")) {
value = fixed._eval();
} else {
value = fixed._eval(compressor, ignore_side_effects, cached, depth);
if (value === fixed) return this;
fixed._eval = function() {
return value;
};
cached.push(fixed);
}
return value && typeof value == "object" && !verify_escaped(this, depth) ? this : value;
} finally {
delete this._eval;
if (value === fixed) return this;
fixed._eval = function() {
return value;
};
cached.push(fixed);
}
return value && typeof value == "object" && !verify_escaped(this, depth) ? this : value;
});
var global_objs = {
Array: Array,