diff --git a/lib/Sema/AnalysisBasedWarnings.cpp b/lib/Sema/AnalysisBasedWarnings.cpp
index b57f33d..775681e 100644
--- a/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/lib/Sema/AnalysisBasedWarnings.cpp
@@ -17,6 +17,7 @@
 #include "clang/Sema/AnalysisBasedWarnings.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/AST/DeclObjC.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/ExprObjC.h"
 #include "clang/AST/ExprCXX.h"
 #include "clang/AST/StmtObjC.h"
diff --git a/lib/Sema/JumpDiagnostics.cpp b/lib/Sema/JumpDiagnostics.cpp
index f3dc6ce..7bab65a 100644
--- a/lib/Sema/JumpDiagnostics.cpp
+++ b/lib/Sema/JumpDiagnostics.cpp
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Sema/Sema.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/StmtObjC.h"
 #include "clang/AST/StmtCXX.h"
diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index 569f4ed..1de7b7f 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -23,6 +23,7 @@
 #include "clang/Sema/SemaConsumer.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/ASTDiagnostic.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/Expr.h"
 #include "clang/Lex/Preprocessor.h"
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 61d209f..7a64511 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -16,6 +16,7 @@
 #include "clang/Analysis/Analyses/FormatString.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/CharUnits.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/ExprCXX.h"
 #include "clang/AST/ExprObjC.h"
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 6500e88..219a46d 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -20,6 +20,7 @@
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/CXXInheritance.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/DeclTemplate.h"
 #include "clang/AST/ExprCXX.h"
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index dcee0b3..f515e68 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -14,6 +14,7 @@
 #include "clang/Sema/Sema.h"
 #include "TargetAttributesSema.h"
 #include "clang/AST/ASTContext.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/Expr.h"
 #include "clang/Basic/TargetInfo.h"
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 9fed285..7761ac9 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -3430,6 +3430,16 @@
     PopPragmaVisibility();
 }
 
+CXXRecordDecl *Sema::getStdBadAlloc() const {
+  return cast_or_null<CXXRecordDecl>(
+                                  StdBadAlloc.get(Context.getExternalSource()));
+}
+
+NamespaceDecl *Sema::getStdNamespace() const {
+  return cast_or_null<NamespaceDecl>(
+                                 StdNamespace.get(Context.getExternalSource()));
+}
+
 /// \brief Retrieve the special "std" namespace, which may require us to 
 /// implicitly define the namespace.
 NamespaceDecl *Sema::getOrCreateStdNamespace() {
diff --git a/lib/Sema/TargetAttributesSema.cpp b/lib/Sema/TargetAttributesSema.cpp
index dc08a73..52b0696 100644
--- a/lib/Sema/TargetAttributesSema.cpp
+++ b/lib/Sema/TargetAttributesSema.cpp
@@ -12,9 +12,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "clang/Sema/Sema.h"
 #include "TargetAttributesSema.h"
+#include "clang/Sema/Sema.h"
 #include "clang/Basic/TargetInfo.h"
+#include "clang/AST/DeclCXX.h"
 #include "llvm/ADT/Triple.h"
 
 using namespace clang;
diff --git a/lib/Sema/TargetAttributesSema.h b/lib/Sema/TargetAttributesSema.h
index 8794e40..410c900 100644
--- a/lib/Sema/TargetAttributesSema.h
+++ b/lib/Sema/TargetAttributesSema.h
@@ -13,7 +13,7 @@
 namespace clang {
   class Scope;
   class Decl;
-  class Attr;
+  class AttributeList;
   class Sema;
 
   class TargetAttributesSema {