Qualify an internal call in is_assignable to prevent ADL lookup, which would 'complete' an type definition unnecessarily. Thanks to Richard Smith for the report.

llvm-svn: 234886

1 files changed, 6 insertions, 0 deletions

diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_assignable.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_assignable.pass.cpp
index b46a4d6bcc6..d33019bcba9 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_assignable.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_assignable.pass.cpp
@@ -49,6 +49,9 @@ struct E
 };
 #endif
 
+template <typename T>
+struct X { T t; };
+
 int main()
 {
     test_is_assignable<int&, int&> ();
@@ -67,4 +70,7 @@ int main()
     test_is_not_assignable<void, const void> ();
     test_is_not_assignable<const void, const void> ();
     test_is_not_assignable<int(), int> ();
+    
+//  pointer to incomplete template type
+	test_is_assignable<X<D>*&, X<D>*> ();
 }