Cast _Unwind_GetIP() and _Unwind_GetRegionStart() to uintptr_t
Cast _Unwind_GetIP() and _Unwind_GetRegionStart() to uintptr_t

This modification is require for NetBSD with GCC, as there is a
custom unwind.h header implementation with different types.

No functional change intended for others.

Cherry-picked chunk from D33878.


git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@347101 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