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authorReid Kleckner <rnk@google.com>2017-06-30 16:12:14 +0000
committerReid Kleckner <rnk@google.com>2017-06-30 16:12:14 +0000
commit75ec5aa40177caeb6531afab8c0757183dddc101 (patch)
tree13353608e1d06179f60599cd0fa1229ec2953395 /test/CodeGenCXX
parent813f275eefb9ba53f20d56badfde964016f16341 (diff)
[MS] Test that deleting destructor thunks are not exported
The MSVC linker emits the LNK4102 warning if they are. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@306836 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX')
-rw-r--r--test/CodeGenCXX/dllexport-dtor-thunks.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/CodeGenCXX/dllexport-dtor-thunks.cpp b/test/CodeGenCXX/dllexport-dtor-thunks.cpp
new file mode 100644
index 0000000000..52f9901620
--- /dev/null
+++ b/test/CodeGenCXX/dllexport-dtor-thunks.cpp
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -mconstructor-aliases -fms-extensions %s -emit-llvm -o - -triple x86_64-windows-msvc | FileCheck %s
+
+struct __declspec(dllexport) A { virtual ~A(); };
+struct __declspec(dllexport) B { virtual ~B(); };
+struct __declspec(dllexport) C : A, B { virtual ~C(); };
+C::~C() {}
+
+// This thunk should *not* be dllexport.
+// CHECK: define linkonce_odr i8* @"\01??_EC@@W7EAAPEAXI@Z"
+// CHECK: define dllexport void @"\01??1C@@UEAA@XZ"