Don't add the injected class name to the redeclarations chain; the chain should contain actual redeclarations, not implicits.
As a bonus, now we don't deserialize it unless we need it.

llvm-svn: 116504
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 6f0a7da..93909f9 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -6056,7 +6056,9 @@
                             CurContext, Record->getLocation(),
                             Record->getIdentifier(),
                             Record->getTagKeywordLoc(),
-                            Record);
+                            /*PrevDecl=*/0,
+                            /*DelayTypeCreation=*/true);
+  Context.getTypeDeclType(InjectedClassName, Record);
   InjectedClassName->setImplicit();
   InjectedClassName->setAccess(AS_public);
   if (ClassTemplateDecl *Template = Record->getDescribedClassTemplate())