Correctly deal with using names for both functions and structs in chained PCH.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109871 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/IdentifierResolver.cpp b/lib/Sema/IdentifierResolver.cpp
index b09526e..62df1a7 100644
--- a/lib/Sema/IdentifierResolver.cpp
+++ b/lib/Sema/IdentifierResolver.cpp
@@ -139,6 +139,9 @@
 /// AddDecl - Link the decl to its shadowed decl chain.
 void IdentifierResolver::AddDecl(NamedDecl *D) {
   DeclarationName Name = D->getDeclName();
+  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
+    II->setIsFromPCH(false);
+
   void *Ptr = Name.getFETokenInfo<void>();
 
   if (!Ptr) {
@@ -164,6 +167,9 @@
 void IdentifierResolver::RemoveDecl(NamedDecl *D) {
   assert(D && "null param passed");
   DeclarationName Name = D->getDeclName();
+  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
+    II->setIsFromPCH(false);
+
   void *Ptr = Name.getFETokenInfo<void>();
 
   assert(Ptr && "Didn't find this decl on its identifier's chain!");
@@ -182,6 +188,9 @@
          "Cannot replace a decl with another decl of a different name");
 
   DeclarationName Name = Old->getDeclName();
+  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
+    II->setIsFromPCH(false);
+
   void *Ptr = Name.getFETokenInfo<void>();
 
   if (!Ptr)
@@ -218,6 +227,7 @@
 
 void IdentifierResolver::AddDeclToIdentifierChain(IdentifierInfo *II,
                                                   NamedDecl *D) {
+  II->setIsFromPCH(false);
   void *Ptr = II->getFETokenInfo<void>();
 
   if (!Ptr) {