More #include cleaning
 - Remove internal uses of AST.h


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54628 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp
index db8003e..b1f7c51 100644
--- a/lib/CodeGen/CGExprConstant.cpp
+++ b/lib/CodeGen/CGExprConstant.cpp
@@ -13,7 +13,8 @@
 
 #include "CodeGenFunction.h"
 #include "CodeGenModule.h"
-#include "clang/AST/AST.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/StmtVisitor.h"
 #include "llvm/Constants.h"
 #include "llvm/Function.h"
 #include "llvm/GlobalVariable.h"