Vendor import of clang trunk r256633:

https://llvm.org/svn/llvm-project/cfe/trunk@256633

1 files changed, 25 insertions, 0 deletions

diff --git a/test/CodeGenCXX/vtable-key-function-win-comdat.cpp b/test/CodeGenCXX/vtable-key-function-win-comdat.cpp
new file mode 100644
index 0000000..3dd1be7
--- /dev/null
+++ b/test/CodeGenCXX/vtable-key-function-win-comdat.cpp
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 %s -triple=x86_64-pc-windows-gnu -emit-llvm -o - | FileCheck %s
+
+namespace std { class type_info; }
+extern void use(const std::type_info &rtti);
+
+struct Test1a {
+  Test1a();
+  virtual void foo();
+  virtual void bar();
+};
+
+// V-table needs to be defined weakly.
+Test1a::Test1a() { use(typeid(Test1a)); }
+// This defines the key function.
+inline void Test1a::foo() {}
+
+// CHECK:     $_ZTV6Test1a = comdat any
+// CHECK:     $_ZTS6Test1a = comdat any
+// CHECK:     $_ZTI6Test1a = comdat any
+// CHECK-NOT: $_ZTS6Test1a.1 = comdat any
+// CHECK-NOT: $_ZTI6Test1a.1 = comdat any
+
+// CHECK: @_ZTV6Test1a = linkonce_odr unnamed_addr constant {{.*}} ({ i8*, i8* }* @_ZTI6Test1a to i8*)
+// CHECK: @_ZTS6Test1a = linkonce_odr constant
+// CHECK: @_ZTI6Test1a = linkonce_odr constant {{.*}} [8 x i8]* @_ZTS6Test1a