1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/pr5645.C b/gcc/testsuite/g++.dg/warn/pr5645.C
new file mode 100644
index 000000000..5ca61bdba
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/pr5645.C
@@ -0,0 +1,32 @@
+// PR5645: gcc warns that pure virtual class not explicitly initialized.  
+// { dg-do compile }
+// { dg-options "-Wall -Wextra" }
+
+class a {
+public:
+  virtual int f() = 0;
+  virtual int g() = 0;
+};
+
+class b : public a {
+public:
+  b();
+  b(const b& c);
+
+protected:
+  int i;
+};
+
+b::b() {}
+
+b::b(const b& c) { // { dg-bogus "base class .class a. should be explicitly initialized in the copy constructor" }
+  i = c.i;
+}
+
+struct X {};
+
+struct Y : X
+{
+  Y (Y const&) {}
+};
+