1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr30567.C b/gcc/testsuite/g++.dg/torture/pr30567.C
new file mode 100644
index 000000000..389daf357
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr30567.C
@@ -0,0 +1,32 @@
+/* { dg-do run } */
+
+template <typename T>
+struct const_ref
+{
+  const T* begin;
+  const_ref(const T* b) : begin(b) {}
+};
+
+template <typename T>
+T sum(const_ref<T> const& a)
+{
+  T result = 0;
+  for(unsigned i=0;i<1;i++) result += a.begin[i];
+  return result;
+}
+
+struct tiny_plain
+{
+  int elems[2];
+  tiny_plain() { elems[0]=1; }
+};
+
+struct vec3 : tiny_plain {};
+
+struct mat3
+{
+  int type() const { return sum(const_ref<int>(vec3().elems)) == 1; }
+};
+
+int main() { return mat3().type() ? 0 : 1; }
+