convert the rest of the stderr users in codegen to use diagnostics.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44503 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CGExpr.cpp b/CodeGen/CGExpr.cpp
index a4aa6db..93f3d71 100644
--- a/CodeGen/CGExpr.cpp
+++ b/CodeGen/CGExpr.cpp
@@ -82,8 +82,7 @@
 LValue CodeGenFunction::EmitLValue(const Expr *E) {
   switch (E->getStmtClass()) {
   default: {
-    fprintf(stderr, "Unimplemented lvalue expr!\n");
-    E->dump(getContext().SourceMgr);
+    WarnUnsupported(E, "l-value expression");
     llvm::Type *Ty = llvm::PointerType::get(ConvertType(E->getType()));
     return LValue::MakeAddr(llvm::UndefValue::get(Ty));
   }