Similar to other architectures, the S390X interpreter parts should not be entered with `!Continuations::enabled()`.
Current builds on S390X crash with:
05:51:17 Compiling 4 files for BUILD_JIGSAW_TOOLS
05:51:26 Optimizing the exploded image
05:51:26 #
05:51:26 # A fatal error has been detected by the Java Runtime Environment:
05:51:26 #
05:51:26 # Internal Error (templateInterpreterGenerator_s390.cpp:486), pid=60413, tid=60418
05:51:26 # Error: Unimplemented()
05:51:26 #
05:51:26 # JRE version: (19.0+25) (build )
05:51:26 # Java VM: OpenJDK 64-Bit Server VM (19-beta+25-202206090332, mixed mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-s390x)
05:51:26 # Problematic frame:
05:51:26 # V [libjvm.so+0xaf9308] TemplateInterpreterGenerator::generate_Continuation_doYield_entry()+0x30