MC: Add target hook to control symbol quoting

llvm-svn: 239370
diff --git a/llvm/lib/MC/MCSectionCOFF.cpp b/llvm/lib/MC/MCSectionCOFF.cpp
index 4d6298c..ce0b4f5 100644
--- a/llvm/lib/MC/MCSectionCOFF.cpp
+++ b/llvm/lib/MC/MCSectionCOFF.cpp
@@ -94,7 +94,7 @@
         break;
     }
     assert(COMDATSymbol);
-    OS << *COMDATSymbol;
+    COMDATSymbol->print(OS, &MAI);
   }
   OS << '\n';
 }