[libunwind] Support cfi_undefined and cfi_register for float registers.

During a backtrace the `.cfi_undefined` for a float register causes an assert in libunwind.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D110144

GitOrigin-RevId: 77aa9ca92ae4732f5f92e580e14bb4d757f6b364
2 files changed
tree: 09e3bc1e5bf2e75bddbda2daa6e773612446a402
  1. .clang-format
  2. CMakeLists.txt
  3. LICENSE.TXT
  4. cmake/
  5. docs/
  6. include/
  7. src/
  8. test/