1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/init/vbase1.C b/gcc/testsuite/g++.dg/init/vbase1.C
new file mode 100644
index 000000000..bbfd58f5c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/vbase1.C
@@ -0,0 +1,39 @@
+// PR c++/50618
+// { dg-do run }
+
+struct Base
+{
+    const int text;
+    Base():text(1) {}
+    Base(int aText)
+    : text(aText) {}
+};
+struct SubA : public virtual Base
+{
+protected:
+  int x;
+public:
+  SubA(int aX)
+  : x(aX) {}
+};
+class SubB : public virtual Base
+{};
+struct Diamond : public SubA, public SubB
+{
+    Diamond(int text)
+    : Base(text), SubA(5), SubB() {}
+
+    void printText()
+    {
+        if(text != 2)
+          __builtin_abort();
+        if(x!=5)
+          __builtin_abort();
+    }
+};
+
+int main(int, char**)
+{
+    Diamond x(2);
+    x.printText();
+}