1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/Wunused-var-12.c b/gcc/testsuite/c-c++-common/Wunused-var-12.c
new file mode 100644
index 00000000000..312680a72e8
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/Wunused-var-12.c
@@ -0,0 +1,25 @@
+/* PR c++/44780 */
+/* { dg-do compile } */
+/* { dg-options "-Wunused" } */
+
+typedef double vec __attribute__ ((__vector_size__ (16)));
+vec c, d;
+
+void
+foo (void)
+{
+  vec a;
+  vec b;
+  a = c;
+  b = a;
+  d = b;
+}
+
+void
+bar (void)
+{
+  vec a;
+  vec b;	/* { dg-warning "set but not used" } */
+  a = c;
+  b = a;
+}