Update aosp/master LLVM for rebase to r222494.

Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
diff --git a/lib/CodeGen/TargetOptionsImpl.cpp b/lib/CodeGen/TargetOptionsImpl.cpp
index 3ca2017..618d903 100644
--- a/lib/CodeGen/TargetOptionsImpl.cpp
+++ b/lib/CodeGen/TargetOptionsImpl.cpp
@@ -51,3 +51,10 @@
 StringRef TargetOptions::getTrapFunctionName() const {
   return TrapFuncName;
 }
+
+/// getCFIFuncName - If this returns a non-empty string, then it is the name of
+/// the function that gets called on CFI violations in CFI non-enforcing mode
+/// (!TargetOptions::CFIEnforcing).
+StringRef TargetOptions::getCFIFuncName() const {
+  return CFIFuncName;
+}