[libunwind] [SEH] Set NonVolatileRegisters before calling a personality function (#137951)

The CRT __C_specific_handler function uses this for restoring registers
before calling the filter function.

This fixes the libunwind/libcxxabi forced unwind testcases on ARM and
AArch64.

NOKEYCHECK=True
GitOrigin-RevId: 9c67ae861ccb0312fc680414a8441892d169d14a
1 file changed
tree: 57f8e801baa90ad70be9992e6f3956f176bd811d
  1. cmake/
  2. docs/
  3. include/
  4. src/
  5. test/
  6. .clang-format
  7. CMakeLists.txt
  8. LICENSE.TXT