* test: fix fix-mips64-spare-side-exit-patching
* test: fix `fillmcode()` generator helper
* MIPS: Fix "bad FP FLOAD" assertion.
* Handle table unsinking in the presence of IRFL_TAB_NOMM.
* Fix handling of instable types in TNEW/TDUP load forwarding.
* Fix predict_next() in parser (again).
* Always exit after machine code page protection change fails.

Part of #8825

NO_DOC=LuaJIT submodule bump
NO_TEST=LuaJIT submodule bump