Revert "Cast the 2nd argument of _Unwind_SetIP() to _Unwind_Ptr"
Revert "Cast the 2nd argument of _Unwind_SetIP() to _Unwind_Ptr"

_Unwind_Ptr is unknown on some targets.

Detected on green-dragon-21 (MacPro Late 2013 | OS X 10.14(18A391) | Xcode 10.1(10B61)).


git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@347106 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt