diff --git a/libcxx/include/string b/libcxx/include/string
--- a/libcxx/include/string
+++ b/libcxx/include/string
@@ -3882,6 +3882,18 @@
     return __rhs.compare(0, _String::npos, __lhs, __lhs_len) == 0;
 }
 
+template<>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator==(const char* __lhs,
+           const string& __rhs) _NOEXCEPT
+{
+    _LIBCPP_ASSERT(__lhs != nullptr, "operator==(char*, basic_string): received nullptr");
+    size_t __lhs_len = strlen(__lhs);
+    if (__lhs_len != __rhs.size()) return false;
+    return memcmp(__rhs.data(), __lhs, __lhs_len) == 0;
+}
+
 template<class _CharT, class _Traits, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
@@ -3895,6 +3907,17 @@
     return __lhs.compare(0, _String::npos, __rhs, __rhs_len) == 0;
 }
 
+template <>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator==(const string& __lhs,
+           const char* __rhs) _NOEXCEPT {
+    _LIBCPP_ASSERT(__rhs != nullptr, "operator==(basic_string, char*): received nullptr");
+    const size_t __rhs_len = strlen(__rhs);
+    if (__rhs_len != __lhs.size()) return false;
+    return memcmp(__lhs.data(), __rhs, __rhs_len) == 0;
+}
+
 template<class _CharT, class _Traits, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 bool