Fix an assertion failure when code completing an auto variable's initialiser.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160857 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index b2a6b4b..ea514d3 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -1580,6 +1580,7 @@
 
       if (Tok.is(tok::code_completion)) {
         Actions.CodeCompleteInitializer(getCurScope(), ThisDecl);
+        Actions.FinalizeDeclaration(ThisDecl);
         cutOffParsing();
         return 0;
       }