diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -710,13 +710,10 @@
 void CompilerInstance::createCodeCompletionConsumer() {
   const ParsedSourceLocation &Loc = getFrontendOpts().CodeCompletionAt;
   if (!CompletionConsumer) {
-    setCodeCompletionConsumer(
-      createCodeCompletionConsumer(getPreprocessor(),
-                                   Loc.FileName, Loc.Line, Loc.Column,
-                                   getFrontendOpts().CodeCompleteOpts,
-                                   llvm::outs()));
-    if (!CompletionConsumer)
-      return;
+    setCodeCompletionConsumer(createCodeCompletionConsumer(
+        getPreprocessor(), Loc.FileName, Loc.Line, Loc.Column,
+        getFrontendOpts().CodeCompleteOpts, llvm::outs()));
+    return;
   } else if (EnableCodeCompletion(getPreprocessor(), Loc.FileName,
                                   Loc.Line, Loc.Column)) {
     setCodeCompletionConsumer(nullptr);