It's OK to try to emit a vtable definition more than once. Fixes PR5697.

llvm-svn: 90751

1 files changed, 15 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/vtable-key-function.cpp b/clang/test/CodeGenCXX/vtable-key-function.cpp
new file mode 100644
index 00000000000..b0371c0e0ba
--- /dev/null
+++ b/clang/test/CodeGenCXX/vtable-key-function.cpp
@@ -0,0 +1,15 @@
+// RUN: clang-cc %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 = weak_odr constant
+A::A() { }
+A::A(int) { }
+}