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-rw-r--r--gcc-4.9/libvtv/testsuite/libvtv.cc/virtual_inheritance.cc48
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc-4.9/libvtv/testsuite/libvtv.cc/virtual_inheritance.cc b/gcc-4.9/libvtv/testsuite/libvtv.cc/virtual_inheritance.cc
new file mode 100644
index 000000000..1c49c9664
--- /dev/null
+++ b/gcc-4.9/libvtv/testsuite/libvtv.cc/virtual_inheritance.cc
@@ -0,0 +1,48 @@
+// { dg-do run }
+
+#include <assert.h>
+struct V {
+ V(): virtual_value(-123) {}
+ int virtual_value;
+ virtual int access_vv() { return virtual_value; }
+};
+
+struct A: virtual public V {
+ A():value(123) {}
+ int value;
+ virtual int access() { return value; }
+};
+struct B: virtual public V {
+ B():value(456) {}
+ int value;
+ virtual int access() { return value; }
+};
+struct C : public A, public B {
+ C():better_value(789) {}
+ int better_value;
+ virtual int access() { return better_value; }
+};
+struct D: public A, public B {
+ D():better_virtual_value(-345) {}
+ int better_virtual_value;
+ virtual int access_vv() { return better_virtual_value; }
+};
+
+int use(B *b)
+{
+ return b->access();
+}
+
+int v_use(V * v)
+{
+ return v->access_vv();
+}
+
+int main()
+{
+ C c;
+ assert(v_use(&c) == -123);
+ D d;
+ assert(v_use(&d) == -345);
+ return 0;
+}