Update aosp/master LLVM for rebase to r222494.

Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp
index c27d630..a0fb712 100644
--- a/lib/CodeGen/LiveRangeEdit.cpp
+++ b/lib/CodeGen/LiveRangeEdit.cpp
@@ -411,8 +411,11 @@
   for (unsigned I = 0, Size = size(); I < Size; ++I) {
     LiveInterval &LI = LIS.getInterval(get(I));
     if (MRI.recomputeRegClass(LI.reg, MF.getTarget()))
-      DEBUG(dbgs() << "Inflated " << PrintReg(LI.reg) << " to "
-                   << MRI.getRegClass(LI.reg)->getName() << '\n');
+      DEBUG({
+        const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
+        dbgs() << "Inflated " << PrintReg(LI.reg) << " to "
+               << TRI->getRegClassName(MRI.getRegClass(LI.reg)) << '\n';
+      });
     VRAI.calculateSpillWeightAndHint(LI);
   }
 }