- Add Intel Deterministic Cache Parameter Leaf (CPUID leaf 4).
  This definitions are required to know cache information of
  newer Intel CPU.
- Fix comment.
No functional change:
- Add prototypes.
- Make some function static.
- Sort functions.
Check cpuid leaf 4 for newer Intel CPU to know the cache information.
Fix bug introduced in revision 1.13 which meant longjmp would never
work on EABI where VFP didn't exist.

Hi gimpy!
Move the GNUHOSTDIST assignment back to the top of the Makefile.
Improve wording and remove typos
fix type of sysctl, from nisimura@
get rid of equal(), use {s,g}etprogname().
remove unused variables
remove DIAGNOSTIC ifdef in preparation of a KASSERT that consumes its
arguments
NetBSD does not have vn_in_dnlc
add a gcc XXX initialization
XXX: gcc initialize a variable
add MODULE_CLASS_LUA_BINDING
properly display Lua modules
chip unused variable; let the system build again
Revert, init-exec in combination with initalised TLS variables is not
supported.
Only initialise TLS space from the PT_TLS segment, if the size is
positive and the offset has been computed. Fixes PR lib/48324.
Update LLVM/Clang snapshot to r193064 for another bugfix related to
exception handling.
Missing subject.