1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/conversion/base1.C b/gcc/testsuite/g++.dg/conversion/base1.C
new file mode 100644
index 000000000..e236504ae
--- /dev/null
+++ b/gcc/testsuite/g++.dg/conversion/base1.C
@@ -0,0 +1,20 @@
+// PR c++/48749
+
+struct Tuple3
+{
+  float x;
+};
+
+struct Pos: virtual Tuple3 { };
+
+struct TexCoords
+{
+  Pos pos;
+};
+
+template <class T>
+void eval (const TexCoords &coords)
+{
+  const Pos &pos = coords.pos;
+  pos.x;
+}