[PATCH] D43576: Solution to fix PR27066 - Redefinition with same mangled name as another definition (dllexport and uuid)

[Zahira Ammarguellat via Phabricator via cfe-commits]

zahiraam updated this revision to Diff 135502.

https://reviews.llvm.org/D43576

Files:
  test/CodeGenCXX/instantiate-uuid.cpp
  test/Sema/member-reference-dll.cpp


Index: test/Sema/member-reference-dll.cpp
===================================================================
--- test/Sema/member-reference-dll.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-// RUN: %clang_cc1 -triple x86_64-windows-msvc -fsyntax-only -verify -fms-extensions -fms-compatibility %s
-// expected-no-diagnostics
-
-namespace test1 {
-class __declspec(dllimport) Edge;
-
-template <class T>
-class __declspec(dllimport) Range {
-  void insert(T *obj) { obj->loc(); }
-};
-
-template void Range<Edge>::insert(Edge *);
-} // namespace test1
-
-namespace test2 {
-class __declspec(dllexport) Edge;
-
-template <class T>
-class __declspec(dllimport) Range {
-  void insert(T *obj) { obj->loc(); }
-};
-
-template void Range<Edge>::insert(Edge *);
-} // namespace test2
Index: test/CodeGenCXX/instantiate-uuid.cpp
===================================================================
--- /dev/null
+++ test/CodeGenCXX/instantiate-uuid.cpp
@@ -0,0 +1,29 @@
+// RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -std=c++14 -fms-extensions -fms-compatibility -emit-llvm -o - %s | Filecheck %s
+
+// expected-no-diagnostics
+
+// M32-DAG: $"\01??4?$A@$E?_GUID_ddb47a6a_0f23_11d5_9109_00e0296b75d3@@3U__s_GUID@@B@@QEAAAEAV0 at AEBV0@@Z" = comdat any
+
+typedef struct _GUID {
+  int i;
+} IID;
+template <const IID *piid>
+class A {};
+
+struct
+    __declspec(uuid("{DDB47A6A-0F23-11D5-9109-00E0296B75D3}"))
+        S1 {};
+
+struct
+    __declspec(uuid("{DDB47A6A-0F23-11D5-9109-00E0296B75D3}"))
+        S2 {};
+
+struct __declspec(dllexport)
+    C1 : public A<&__uuidof(S1)> {};
+
+struct __declspec(dllexport)
+    C2 : public A<&__uuidof(S2)> {};
+
+// CHECK-LABEL: define weak_odr dllexport dereferenceable(1) %class.A* @"\01??4?$A@$E?_GUID_ddb47a6a_0f23_11d5_9109_00e0296b75d3@@3U__s_GUID@@B@@QEAAAEAV0 at AEBV0@@Z"
+
+


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