Related to escape analysis. I'll take this.

ClusterFuzz has detected this issue as fixed in range 36435:36436.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6248723961348096

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  Tried to combine incompatible truncations in src/compiler/representation-change.
  
Regressed: V8: r36323:36324
Fixed: V8: r36435:36436

Minimized Testcase (0.06 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96sKxPjOSJs-JMyWqgyDYug3RSuq-RqgcV8NvgkfCmjbC8mCMa8ofDtH2zgmjhDL_-zzdfDT7I00utkftNEcdggiCyp0svDlsdnUyIcBIKnZkyiMQU6BNNo7aCRmATJmrBC6r-sHeKCwvTMA6tiGnN1s5Ufiw
eval = function() { return __v_3 + y; };
  (function() {
  })();


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