* FFI: Fix dangling CType references (again).
* Avoid out-of-range PC for stack overflow error from snapshot restore.
* x86/x64: Don't use undefined MUL/IMUL zero flag.
* Windows: Add lua52compat option to msvcbuild.bat.
- Cherry-pick riscv64-support.patch to add RISC-V support
- Cherry-pick loong64-support.patch to add LoongArch support
- Increase _default_patch_fuzz to 2 to allow patches to apply