Most likely bytecode preservation.

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/a311bfa693db5590a5f221e5ea4dc7dbd0554463

commit a311bfa693db5590a5f221e5ea4dc7dbd0554463
Author: mstarzinger <mstarzinger@chromium.org>
Date: Mon Aug 22 11:29:25 2016

[compiler] Fix uncommon CompileOptimized fallback.

This fixes the uncommon fallback when Compiler::CompileOptimized fails
creating optimized code and also the underlying SharedFunctionInfo is
not compiled. We make sure not to uselessly regenerate the bytecode.

R=rmcilroy@chromium.org
BUG= chromium:639753 

Review-Url: https://codereview.chromium.org/2261123002
Cr-Commit-Position: refs/heads/master@{#38776}

[modify] https://crrev.com/a311bfa693db5590a5f221e5ea4dc7dbd0554463/src/compiler.cc

ClusterFuzz has detected this issue as fixed in range 38775:38776.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4547798139928576

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !shared->HasBytecodeArray() in compiler.cc
  
Regressed: V8: r38647:38648
Fixed: V8: r38775:38776

Minimized Testcase (0.77 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95FOi2-318MJVMQ9Cu2ivwhKYBtlutgQfvz4cTwoGbHFS4vAJnojBALYAnYubIdmnZK0pAa2rUdgm2hF0eaysxNL_4dfkd4TG8YAALZrznu_a8gppGqkVVL2zOx8INaqv2pTD2xpAEMDDwX3eC97WENO0Xb1w?testcase_id=4547798139928576

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.

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