More PCH -> AST renaming.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111472 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/IdentifierTable.cpp b/lib/Basic/IdentifierTable.cpp
index c7b16c9..e0d8571 100644
--- a/lib/Basic/IdentifierTable.cpp
+++ b/lib/Basic/IdentifierTable.cpp
@@ -34,7 +34,7 @@
   IsPoisoned = false;
   IsCPPOperatorKeyword = false;
   NeedsHandleIdentifier = false;
-  IsFromPCH = false;
+  IsFromAST = false;
   RevertedTokenID = false;
   FETokenInfo = 0;
   Entry = 0;