Xing Xue:  port to IBM XLC++/AIX.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@188396 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/limits b/include/limits
index 3fc0e6f..d917c57 100644
--- a/include/limits
+++ b/include/limits
@@ -115,6 +115,10 @@
 #include "support/win32/limits_win32.h"
 #endif // _LIBCPP_MSVCRT
 
+#if defined(__IBMCPP__)
+#include "support/ibm/limits.h"
+#endif // __IBMCPP__
+
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 enum float_round_style