Android app crashes on bogus input

[mpost]

Executing a script with bogus input causes a crash on Android.

The input v8.executeScript("asd") leads to Android vm termination with the following message:

2019-04-02 16:39:27.636 A/ris.android.de: java_vm_ext.cc:545] JNI DETECTED ERROR IN APPLICATION: use of deleted local reference 0xc1
2019-04-02 16:39:27.636 A/ris.android.de: java_vm_ext.cc:545]     from java.lang.Object com.eclipsesource.v8.V8._executeScript(long, int, java.lang.String, java.lang.String, int)
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595] Runtime aborting...
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595] Dumping all threads without appropriate locks held: thread list lock mutator lock
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595] All threads:
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595] DALVIK THREADS (26):
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595] "main" prio=10 tid=1 Runnable
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   | group="" sCount=0 dsCount=0 flags=0 obj=0x73a1e628 self=0xf1e34e00
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   | sysTid=14790 nice=-10 cgrp=default sched=0/0 handle=0xf24ccdc8
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   | state=R schedstat=( 2881135888 279832252 1425 ) utm=239 stm=49 core=3 HZ=100
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   | stack=0xff0dc000-0xff0de000 stackSize=8192KB
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   | held mutexes= "abort lock" "mutator lock"(shared held)
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   native: #00 pc 004c8f83  /system/lib/libart.so (art::DumpNativeStack(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, int, BacktraceMap*, char const*, art::ArtMethod*, void*, bool)+115)
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   native: #01 pc 005e1302  /system/lib/libart.so (art::Thread::DumpStack(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, bool, BacktraceMap*, bool) const+994)
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   native: #02 pc 00605353  /system/lib/libart.so (art::DumpCheckpoint::Run(art::Thread*)+979)
2019-04-02 16:39:27.960 A/ris.android.de: runtime.cc:595]   native: #03
...

Seen on Android 9; Pixel 2 and Android Q; Emulator with j2v8 master.