Index: libs/regex/src/usinstances.cpp
===================================================================
--- libs/regex/src/usinstances.cpp	(revision 45320)
+++ libs/regex/src/usinstances.cpp	(working copy)
@@ -30,6 +30,8 @@
 // duplicate symbol errors when linking if the application is built without
 // /Zc:wchar_t
 //
+#include <memory>
+#include <string>
 namespace std{
 template _CRTIMP2 bool __cdecl operator==(
    const basic_string<unsigned short, char_traits<unsigned short>, allocator<unsigned short> >&,
Index: libs/regex/src/wc_regex_traits.cpp
===================================================================
--- libs/regex/src/wc_regex_traits.cpp	(revision 45320)
+++ libs/regex/src/wc_regex_traits.cpp	(working copy)
@@ -28,6 +28,8 @@
 // duplicate symbol errors when linking if the application is built without
 // /Zc:wchar_t
 //
+#include <memory>
+#include <string>
 namespace std{
 template _CRTIMP2 bool __cdecl operator==(
    const basic_string<unsigned short, char_traits<unsigned short>, allocator<unsigned short> >&,