Fix memory access check for fast string interning.
Properly fix MSVC intrinsics for older versions.
Allow changing *.dll/*.lib name in msvcbuild.bat.
ARM: Fix cache flush/sync for exit stubs of JIT-compiled code.
MIPS: Fix cache flush/sync for JIT-compiled code jump area.
Add missing GC steps for io.* functions.
Fix rotate definitions for variable shifts.
DynASM: Improve validation of local backwards relocations.
FFI: Fix snapshot substitution in SPLIT pass.
FFI/x86: Fix register allocation for 64 bit comparisons.
Fix spurious red zone overflows in machine code generation.
Fix jump-range constrained mcode allocation.
Inhibit DSE for implicit loads via calls.
Document support for Lua 5.2 extension of loadfile().
Fix compiler warning.
Tighten requirements for non-default optimization flags.

FOLD is required for FWD/DSE optimizations.
Fix builtin string to number conversion for overflow digits.
FFI: Fix tailcall in lowest frame to C function with bool result.
Fix optional argument handling while recording builtins.
Fix optional argument handling in table.concat().