Two minor fixes to user-defined literals:

- Zero-initialize UDLData so that crashes stop
 - Stop complaining that we can't emit them (we most certainly can)

llvm-svn: 112467

clang/include/clang/Lex/Token.h

@@ -145,7 +145,7 @@ public:
 
   /// makeUserDefinedLiteral - Set this token to be a user-defined literal
   void makeUserDefinedLiteral(llvm::BumpPtrAllocator &Alloc) {
-    PtrData = new (Alloc.Allocate(sizeof(UDLData), 4)) UDLData;
+    PtrData = new (Alloc.Allocate(sizeof(UDLData), 4)) UDLData();
     setFlag(UserDefinedLiteral);
   }
 

clang/lib/CodeGen/CGExprScalar.cpp

@@ -210,6 +210,9 @@ public:
 
     return CGF.EmitCallExpr(E).getScalarVal();
   }
+  Value *VisitUDLiteralExpr(const UDLiteralExpr *E) {
+    return VisitCallExpr(E);
+  }
 
   Value *VisitStmtExpr(const StmtExpr *E);