test/mjsunit/regress/regress-103259.js

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// Flags: --allow-natives-syntax

var a = [];
a[8192] = '';
assertTrue(%HasDictionaryElements(a));
var uc16 = '\u0094';
var test = uc16;
for (var i = 0; i < 13; i++) test += test;
assertEquals(test, a.join(uc16));