1 files changed, 48 insertions, 7 deletions
diff --git a/system/include/libcxx/complex b/system/include/libcxx/complex
index dddc58e0..2943da1d 100644
--- a/system/include/libcxx/complex
+++ b/system/include/libcxx/complex
@@ -255,13 +255,13 @@ template<class T, class charT, class traits>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template<class _Tp> class _LIBCPP_TYPE_VIS complex;
+template<class _Tp> class _LIBCPP_TYPE_VIS_ONLY complex;
 
 template<class _Tp> complex<_Tp> operator*(const complex<_Tp>& __z, const complex<_Tp>& __w);
 template<class _Tp> complex<_Tp> operator/(const complex<_Tp>& __x, const complex<_Tp>& __y);
 
 template<class _Tp>
-class _LIBCPP_TYPE_VIS complex
+class _LIBCPP_TYPE_VIS_ONLY complex
 {
 public:
     typedef _Tp value_type;
@@ -319,11 +319,11 @@ public:
         }
 };
 
-template<> class _LIBCPP_TYPE_VIS complex<double>;
-template<> class _LIBCPP_TYPE_VIS complex<long double>;
+template<> class _LIBCPP_TYPE_VIS_ONLY complex<double>;
+template<> class _LIBCPP_TYPE_VIS_ONLY complex<long double>;
 
 template<>
-class _LIBCPP_TYPE_VIS complex<float>
+class _LIBCPP_TYPE_VIS_ONLY complex<float>
 {
     float __re_;
     float __im_;
@@ -379,7 +379,7 @@ public:
 };
 
 template<>
-class _LIBCPP_TYPE_VIS complex<double>
+class _LIBCPP_TYPE_VIS_ONLY complex<double>
 {
     double __re_;
     double __im_;
@@ -435,7 +435,7 @@ public:
 };
 
 template<>
-class _LIBCPP_TYPE_VIS complex<long double>
+class _LIBCPP_TYPE_VIS_ONLY complex<long double>
 {
     long double __re_;
     long double __im_;
@@ -1521,6 +1521,47 @@ operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x)
     return __os << __s.str();
 }
 
+#if _LIBCPP_STD_VER > 11 
+// Literal suffix for complex number literals [complex.literals]
+inline namespace literals
+{ 
+  inline namespace complex_literals
+  {
+    constexpr complex<long double> operator""il(long double __im)
+    {
+        return { 0.0l, __im };
+    }
+
+    constexpr complex<long double> operator""il(unsigned long long __im)
+    {
+        return { 0.0l, static_cast<long double>(__im) };
+    }
+
+
+    constexpr complex<double> operator""i(long double __im)
+    {
+        return { 0.0, static_cast<double>(__im) };
+    }
+
+    constexpr complex<double> operator""i(unsigned long long __im)
+    {
+        return { 0.0, static_cast<double>(__im) };
+    }
+
+
+    constexpr complex<float> operator""if(long double __im)
+    {
+        return { 0.0f, static_cast<float>(__im) };
+    }
+
+    constexpr complex<float> operator""if(unsigned long long __im)
+    {
+        return { 0.0f, static_cast<float>(__im) };
+    }
+  }
+}
+#endif
+
 _LIBCPP_END_NAMESPACE_STD
 
 #endif  // _LIBCPP_COMPLEX