v8/test/mjsunit/string-replace-gc.js

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// Regression test for the r1513 fix.

// Flags: --allow-natives-syntax --no-force-slow-path

var foo = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
assertEquals(39, foo.length);

for (var i = 0; i < 12; i++) {
  foo = foo + foo;
}

foo = %FlattenString(foo);

var moving_string = "b" + "c";

var bar = foo.replace(/a/g, moving_string);

// 39 * 2^12 * 2
assertEquals(319488, bar.length);