…o master

Reviewed-by: Mike Ash <[email protected]>
Reviewed-by: Matt Reda <[email protected]>

* commit '2284bfc111229c3af01722d9aab23056025a8e01': (22 commits)
  darwin arm64e: libunwind requires that the CFA match the value used to sign LR
  arm64e: Fix frame size to 40b to match earlier change in aarch64/ffi.c
  Add missing arch guards around ffi_find_closure_for_code_np
  fix mingw build and crashing bugs for Python Windows ARM64 (libffi#496)
  Clear the apt cache
  More debugging output
  Debug moxie builds in travis
  libffi: added ARM64 support for Windows (libffi#486)
  uuencode compressed log files for travis
  hppa: avoid TEXTREL in .eh_frame section (libffi#447)
  fix x86/x64 MSVC build (libffi#487)
  add support for 32-bit ARM on Windows (libffi#477)
  fix check for Linux/aarch64
  Cleanup symbol exports on darwin and add architecture preprocessor checks to assist in building fat binaries (eg: i386+x86_64 on macOS or arm+aarch64 on iOS) (libffi#450)
  Fix cfi checks for old compiler (libffi#453)
  changes for win32 on windows (libffi#468)
  aarch64: Flush code mapping in addition to data mapping (libffi#471)
  Remove -Os testing. No ABI impact, and helps trim log lengths.
  fix(configure): Correctly detect visibility("hidden") support on Darwin
  Fix Q registers parameter passing on ARM64
  ...