[libunwind] Remove compatibility support for macOS 10.6

Remove `_dyld_find_unwind_sections` implementation for macOS that is
10.6 or previous. 10.6 is no longer supported for TOT libunwind after
removing its libkeymgr dependency.

Reviewed By: mstorsjo, pete, #libunwind

Differential Revision: https://reviews.llvm.org/D86104

Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 4cd09374cdb163573007ccb402f5ba8970eb6134
1 file changed
tree: 9514e4d0e1de412287c346983784b84cf11bf548
  1. cmake/
  2. docs/
  3. include/
  4. src/
  5. test/
  6. .clang-format
  7. CMakeLists.txt
  8. LICENSE.TXT