Store/retrieve -fshort-enums for PCH, fixes rdar://8854933.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123510 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index c6ecdea..584abfb 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -2630,6 +2630,7 @@
     PARSE_LANGOPT(AccessControl);
     PARSE_LANGOPT(CharIsSigned);
     PARSE_LANGOPT(ShortWChar);
+    PARSE_LANGOPT(ShortEnums);
     LangOpts.setGCMode((LangOptions::GCMode)Record[Idx++]);
     LangOpts.setVisibilityMode((Visibility)Record[Idx++]);
     LangOpts.setStackProtectorMode((LangOptions::StackProtectorMode)