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-rw-r--r--clang/test/CodeGenCXX/vtable-key-function.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/vtable-key-function.cpp b/clang/test/CodeGenCXX/vtable-key-function.cpp
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+++ b/clang/test/CodeGenCXX/vtable-key-function.cpp
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+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
+// PR5697
+namespace PR5697 {
+struct A {
+ virtual void f() { }
+ A();
+ A(int);
+};
+
+// A does not have a key function, so the first constructor we emit should
+// cause the vtable to be defined (without assertions.)
+// CHECK: @_ZTVN6PR56971AE = linkonce_odr unnamed_addr constant
+A::A() { }
+A::A(int) { }
+}
+
+// Make sure that we don't assert when building the vtable for a class
+// template specialization or explicit instantiation with a key
+// function.
+template<typename T>
+struct Base {
+ virtual ~Base();
+};
+
+template<typename T>
+struct Derived : public Base<T> { };
+
+template<>
+struct Derived<char> : public Base<char> {
+ virtual void anchor();
+};
+
+void Derived<char>::anchor() { }