Add assert to flag incomplete bit-field support.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44800 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CGExpr.cpp b/CodeGen/CGExpr.cpp
index 5d563e1..5026c83 100644
--- a/CodeGen/CGExpr.cpp
+++ b/CodeGen/CGExpr.cpp
@@ -400,6 +400,9 @@
   }
 
   FieldDecl *Field = E->getMemberDecl();
+
+  assert (!Field->isBitField() && "Bit-field access is not yet implmented");
+
   unsigned idx = CGM.getTypes().getLLVMFieldNo(Field);
   llvm::Value *Idxs[2] = { llvm::Constant::getNullValue(llvm::Type::Int32Ty), 
                            llvm::ConstantInt::get(llvm::Type::Int32Ty, idx) };