test: Add case for using declaration in derived class

Cover a class that brings overloads from a base through a using
declaration.

1 files changed, 8 insertions, 0 deletions

diff --git a/test/input/using-declaration-class.cxx b/test/input/using-declaration-class.cxx
new file mode 100644
index 0000000..7b5ad6b
--- /dev/null
+++ b/test/input/using-declaration-class.cxx
@@ -0,0 +1,8 @@
+class base {
+protected:
+  int f(int);
+};
+class start: public base {
+  using base::f;
+  int f(char);
+};