Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/513a5bdd040815422ce74536f3415701af8a0ec4 ([turbofan] Fix Word32 (Signed32OrMinusZero) conversions that identify zeros.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

Hey sigurd, Can you take a look at this one please?

 Issue 902282  has been merged into this issue.

 Issue 902282  has been merged into this issue.

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/201a0c67b8e669edaf84ce957c51a996b9918510

commit 201a0c67b8e669edaf84ce957c51a996b9918510
Author: Sigurd Schneider <sigurds@chromium.org>
Date: Tue Nov 06 15:16:48 2018

[turbofan] Don't loose checked Uint32 -> Int32 conversion

Bug:  chromium:901798 
Change-Id: I4b479d6431cc7cdfa53f9cdf6283d2ff86e32821
Reviewed-on: https://chromium-review.googlesource.com/c/1319760
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57285}
[modify] https://crrev.com/201a0c67b8e669edaf84ce957c51a996b9918510/src/compiler/representation-change.cc
[modify] https://crrev.com/201a0c67b8e669edaf84ce957c51a996b9918510/test/cctest/compiler/test-representation-change.cc
[add] https://crrev.com/201a0c67b8e669edaf84ce957c51a996b9918510/test/mjsunit/regress/regress-901798.js

ClusterFuzz testcase 5206476161024000 is verified as fixed, so closing issue as verified.

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

ClusterFuzz has detected this issue as fixed in range 57284:57285.

Detailed report: https://clusterfuzz.com/testcase?key=5766655323668480

Fuzzer: foozzie_js_mutation
Job Type: v8_foozzie
Platform Id: linux

Crash Type: V8 correctness failure
Crash Address: 
Crash State:
  configs: x64,ignition:x64,slow_path
  sources: 4eb
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=v8_foozzie&range=56368:56369
Fixed: https://clusterfuzz.com/revisions?job=v8_foozzie&range=57284:57285

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5766655323668480

See https://github.com/google/clusterfuzz-tools for more information.

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