Fix a hidden use of grabbing the Mangler from the AsmPrinter and update
accordingly.

llvm-svn: 281748
diff --git a/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp b/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
index 18377a4..e527b01 100644
--- a/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
+++ b/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
@@ -34,10 +34,10 @@
   return AP.MMI->getObjFileInfo<MachineModuleInfoMachO>();
 }
 
-
-static MCSymbol *GetSymbolFromOperand(const MachineOperand &MO, AsmPrinter &AP){
+static MCSymbol *GetSymbolFromOperand(const MachineOperand &MO,
+                                      AsmPrinter &AP) {
   const TargetMachine &TM = AP.TM;
-  Mangler *Mang = AP.Mang;
+  Mangler &Mang = TM.getObjFileLowering()->getMangler();
   const DataLayout &DL = AP.getDataLayout();
   MCContext &Ctx = AP.OutContext;
 
@@ -54,7 +54,7 @@
     Mangler::getNameWithPrefix(Name, MO.getSymbolName(), DL);
   } else {
     const GlobalValue *GV = MO.getGlobal();
-    TM.getNameWithPrefix(Name, GV, *Mang);
+    TM.getNameWithPrefix(Name, GV, Mang);
   }
 
   Name += Suffix;