[PCH] Load the chained objc categories only after recursive loading is finished

otherwise we may crash.

llvm-svn: 144524

1 files changed, 8 insertions, 0 deletions

diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 80b582e246d..6192fb77517 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -5543,6 +5543,14 @@ void ASTReader::FinishedDeserializing() {
       PendingPreviousDecls.pop_front();
     }
 
+    for (std::vector<std::pair<ObjCInterfaceDecl *,
+                               serialization::DeclID> >::iterator
+           I = PendingChainedObjCCategories.begin(),
+           E = PendingChainedObjCCategories.end(); I != E; ++I) {
+      loadObjCChainedCategories(I->second, I->first);
+    }
+    PendingChainedObjCCategories.clear();
+
     // We are not in recursive loading, so it's safe to pass the "interesting"
     // decls to the consumer.
     if (Consumer)