Igor, can you take a look?

Reproduces with a ToT x64.debug build with the attached file (from clusterfuzz report).

Deleted: mutant2219_regress-2073.js 3.1 KB

mutant2219_regress-2073.js 3.1 KB View Download

ClusterFuzz has detected this issue as fixed in range 40170:40171.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6446532301946880

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  cond_true->HasPredecessor() in hydrogen.cc
  
Regressed: V8: r40152:40153
Fixed: V8: r40170:40171

Minimized Testcase (9.56 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95bxORdpjeoQm7qh7FznMKhHHN7xeBwl_Ji9-T3ACRMRyqAKT2HXVIqg77WFkqQB02LwTV2JX6NgeZPzrxXSKph7bZP8g2YREbj-0_ft4k5Zde-xKIhmqCFdEKNlSzQwD86FKZB3Gjeztv3ndAyUkCBoP9uzg?testcase_id=6446532301946880

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 is verified as fixed, closing issue.

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