Use the correct function info for constructors when applying function attributes. Fixes PR6245.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95474 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/GlobalDecl.h b/lib/CodeGen/GlobalDecl.h
index b054312..b8a98d7 100644
--- a/lib/CodeGen/GlobalDecl.h
+++ b/lib/CodeGen/GlobalDecl.h
@@ -15,6 +15,10 @@
 #ifndef CLANG_CODEGEN_GLOBALDECL_H
 #define CLANG_CODEGEN_GLOBALDECL_H
 
+#include "CGCXX.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/DeclObjC.h"
+
 namespace clang {
 
 namespace CodeGen {