Reorganize built-in initialization to separate the creation of target builtins from marking IdentifierInfos as builtins. No functionality change

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69774 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 6a6cd64..7018b26 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1762,6 +1762,9 @@
     if (Pos == IdTable->end())
       continue;
 
+    fprintf(stderr, "Looked up pre-allocated IdentifierInfo \"%s\"\n",
+            II->getName());
+
     // Dereferencing the iterator has the effect of populating the
     // IdentifierInfo node with the various declarations it needs.
     (void)*Pos;