[libc++abi][AIX] Add 2 LIT tests for the AIX unwinder
Summary:
This patch creates sub-directory libcxxabi/test/vendor/ibm and adds 2 LIT test cases for the AIX EH under the directory. One tests the restoration of the condition register and the other tests the restoration of vector registers. Both are saved on the stack by the function prologue.
Reviewed by: compnerd, libc++abi
Differential Revision: https://reviews.llvm.org/D114445
GitOrigin-RevId: bc7f0fb5ea74091922aed226a81a093a08c3dfa1
2 files changed
