Move ppc OS X to cfi too. I am building it on an old ppc mini, but it will take some time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130690 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCMCAsmInfo.cpp b/lib/Target/PowerPC/PPCMCAsmInfo.cpp
index d1178dd..9e508cc 100644
--- a/lib/Target/PowerPC/PPCMCAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCMCAsmInfo.cpp
@@ -17,7 +17,7 @@
 PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit) {
   PCSymbol = ".";
   CommentString = ";";
-  ExceptionsType = ExceptionHandling::DwarfTable;
+  ExceptionsType = ExceptionHandling::DwarfCFI;
 
   if (!is64Bit)
     Data64bitsDirective = 0;      // We can't emit a 64-bit unit in PPC32 mode.