1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/init/bitfield1.C b/gcc/testsuite/g++.dg/init/bitfield1.C
new file mode 100644
index 000000000..70a06d0e1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/bitfield1.C
@@ -0,0 +1,24 @@
+// Check that we handle bitfields as complex lvalues properly.
+
+struct A
+{
+  int i: 2;
+  int j: 2;
+  int k: 2;
+};
+
+A a, a2;
+bool b;
+void f ();
+
+int main ()
+{
+  (f(), a.j) = 1;
+  (f(), a).j = 2; // { dg-warning "overflow" } 
+  (b ? a.j : a2.k) = 3; // { dg-warning "overflow" } 
+  (b ? a : a2).j = 0;
+  ++(a.j) = 1;
+  (a.j = 2) = 3; // { dg-warning "overflow" } 
+}
+
+