1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/attribute-test-2.C b/gcc/testsuite/g++.dg/ext/attribute-test-2.C
new file mode 100644
index 000000000..187067318
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/attribute-test-2.C
@@ -0,0 +1,52 @@
+// { dg-do run }
+// { dg-options "-Wno-abi" }
+// PR c++/9844
+
+extern "C" void abort();
+
+#define vector __attribute__((vector_size(16)))
+
+class vector_holder
+{
+   char __attribute__((vector_size(16))) vec;
+   char __attribute__((vector_size(16))) vec1;
+public:
+   operator __attribute__((vector_size(16))) short (void) {
+     return (__attribute__((vector_size(16))) short) vec;
+   }
+
+   operator __attribute__((vector_size(16))) unsigned int (void) {
+     return (__attribute__((vector_size(16))) unsigned int) vec1;
+   }
+
+   vector_holder () {
+	vec = (__attribute__((vector_size(16))) char) {'a', 'b', 'c', 'd', 'a', 'b', 'c', 'd',
+						       'a', 'b', 'c', 'd', 'a', 'b', 'c', 'd'};
+	vec1 = (__attribute__((vector_size(16))) char) {'m', 'n', 'o', 'q', 'm', 'n', 'o', 'p',
+							'm', 'n', 'o', 'q', 'm', 'n', 'o', 'p'};
+   }
+};
+
+union u {
+              char f[16];
+              vector unsigned int v;
+              vector short vs;
+} data;
+
+
+vector_holder vh;
+
+int main()
+{
+  data.vs = (__attribute__((vector_size(16))) short) vh;
+  if (data.f[0] != 'a' || data.f[15] != 'd')
+    abort(); 
+  data.v = (__attribute__((vector_size(16))) unsigned int) vh;
+  if (data.f[0] != 'm' || data.f[15] != 'p')
+    abort(); 
+
+  return 0;
+}
+
+/* Ignore a warning that is irrelevant to the purpose of this test.  */
+/* { dg-prune-output ".*GCC vector returned by reference.*" } */