8079156: [TESTBUG] 32 bit Java 9-fastdebug hit assertion in client mode with StackShadowPages flag value from 32 to 50.
Summary: We increase CodeBufer instr size to account for stack banging code generation.
Reviewed-by: coleenp, dholmes, kvn
8130332: StarvationMonitorInterval, PreInflateSpin, VerifyGenericSignatures and CountInterpCalls VM Options can be deprecated or removed in JDK 9
Summary: Deprecate StarvationMonitorInterval and PreInflateSpin, remove VerifyGenericSignatures and CountInterpCalls
Reviewed-by: coleenp, gziemski