CF points to 14e05c104684226ecc2ecaef9794d55803f52023.

Fix out for review:
https://codereview.chromium.org/2620893002/

ClusterFuzz has detected this issue as fixed in range 42190:42191.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6162013429694464

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_v8_arm_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !retval.is_null() in asm-js.cc
  
Sanitizer: address (ASAN)

Regressed: V8: r41371:41372
Fixed: V8: r42190:42191

Minimized Testcase (0.84 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96SroqugwFIYk5PfUmHjaK8CMyt4qlCVYYjXetA9aEaLcm61QBAK0JKiumJ0Xa6fsSAp3UQT1OmFjhxh4C56v1bn4O89uI5nvEU74aT8uXnkt5WBGFlnnXO_mcD9y2U10VJwa9AY2Z4mved74fnoVi1SEFIZg?testcase_id=6162013429694464

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 6162013429694464 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.