Properly constrain basic_string(Iter, Iter, Alloc = A())

llvm-svn: 356140
2019-03-14 12:31:10 +00:00
parent 63eccf70db
commit dfce2dd21e
2 changed files with 13 additions and 4 deletions
--- a/libcxx/test/std/strings/basic.string/string.cons/iter_alloc.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.cons/iter_alloc.pass.cpp
@@ -116,6 +116,15 @@ int main(int, char**)
    test(input_iterator<const char*>(s), input_iterator<const char*>(s+50), A());
    }
 #endif
+    {
+      static_assert((!std::is_constructible<std::string, std::string,
+                                            std::string>::value),
+                    "");
+      static_assert(
+          (!std::is_constructible<std::string, std::string, std::string,
+                                  std::allocator<char> >::value),
+          "");
+    }

  return 0;
 }