I have one customer log of JDK 8u202 that shows this problem.

java.lang.InternalError:
couldn't find bytecode for [uncommon trap null range_check reinterpret] in Compilation:1317 java.lang.StringLatin1::indexOf (36 bytes) 6151+0
- @ 1 java.lang.StringLatin1::canEncode (13 bytes) succeed: inline (hot)

  @ 32 java.lang.StringLatin1::indexOfChar (33 bytes)