Address review comments

Author: ahatanak

clang/lib/CodeGen/CGExpr.cpp

@@ -527,7 +527,7 @@ EmitMaterializeTemporaryExpr(const MaterializeTemporaryExpr *M) {
     // initialized it.
     if (!Var->hasInitializer()) {
       Var->setInitializer(CGM.EmitNullConstant(E->getType()));
-      QualType RefType = M->getType();
+      QualType RefType = M->getType().withoutLocalFastQualifiers();
       if (RefType.getPointerAuth()) {
         // Use the qualifier of the reference temporary to sign the pointer.
         auto LV = MakeRawAddrLValue(Object.getPointer(), RefType,

clang/lib/CodeGen/CGPointerAuth.cpp

@@ -246,10 +246,7 @@ CodeGenFunction::EmitPointerAuthQualify(PointerAuthQualifier DestQualifier,
                                         const Expr *E,
                                         Address DestStorageAddress) {
   assert(DestQualifier);
-
-  auto Src = EmitOrigPointerRValue(E);
-  auto *Value = Src.first;
-  auto CurAuthInfo = Src.second;
+  auto [Value, CurAuthInfo] = EmitOrigPointerRValue(E);
 
   auto DestAuthInfo = EmitPointerAuthInfo(DestQualifier, DestStorageAddress);
   return emitPointerAuthResign(Value, E->getType(), CurAuthInfo, DestAuthInfo,