1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/attrib28.C b/gcc/testsuite/g++.dg/ext/attrib28.C
new file mode 100644
index 000000000..2f18d4184
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/attrib28.C
@@ -0,0 +1,12 @@
+// PR c++/28558
+// { dg-options "" }
+
+struct A
+{
+  A(int) { }
+};
+
+int main()
+{
+  A a = (A __attribute__((unused)))0; // { dg-warning "attribute" }
+}