Adds handling of translation inside short-cti-rewrite bundles.
Adds an OP_jecxz to common.decode as a test of short cti mangling.
Changes the DOLOG stress test qualifiers for -stress_recreate_* to DOCHECK so we run them every time and not just at high loglevel.
Tested on arm on the forthcoming common.broadfun-stress test.
Issue: #4680 (closed)