fix corner case in hoist_props (#5499)

fixes #5498
2022-06-07 16:29:42 +01:00
parent a758b40e3f
commit 123f9cf987
2 changed files with 25 additions and 2 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -8311,8 +8311,10 @@ Compressor.prototype.compress = function(node) {
            if (fixed.escaped && fixed.escaped.depth == 1) return;
            return right instanceof AST_Object
                && right.properties.length > 0
-                && all(right.properties, can_hoist_property)
-                && can_drop_symbol(sym, compressor);
+                && can_drop_symbol(sym, compressor)
+                && all(right.properties, function(prop) {
+                    return can_hoist_property(prop) && prop.key !== "__proto__";
+                });
        }
    });