1 files changed, 42 insertions, 0 deletions
diff --git a/clang/test/InterfaceStubs/class-template-specialization.cpp b/clang/test/InterfaceStubs/class-template-specialization.cpp
new file mode 100644
index 00000000000..d1f1d067ccd
--- /dev/null
+++ b/clang/test/InterfaceStubs/class-template-specialization.cpp
@@ -0,0 +1,42 @@
+// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
+// RUN: -interface-stub-version=experimental-tapi-elf-v1 %s | \
+// RUN: FileCheck -check-prefix=CHECK-TAPI %s
+
+// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
+// RUN: -interface-stub-version=experimental-tapi-elf-v1 %s | \
+// RUN: FileCheck -check-prefix=CHECK-TAPI2 %s
+// RUN: %clang -target x86_64-unknown-linux-gnu -o - -c %s | \
+// RUN: llvm-readelf -s - 2>&1 | \
+// RUN: FileCheck -check-prefix=CHECK-SYMBOLS %s
+
+// For the following:
+// g()
+// n::S<int>::S()
+// n::S<int>::~S()
+// n::S<int>::func() const
+// n::S<int>::S(n::S<int> const&)
+
+// We expect these manglings:
+// CHECK-TAPI: Symbols:
+// CHECK-TAPI-NOT: _ZNK1n1SIiEclEv
+// CHECK-TAPI2: Symbols:
+// CHECK-TAPI2: _Z1g
+
+// CHECK-SYMBOLS-DAG: FUNC    GLOBAL DEFAULT    {{[0-9]}} _Z1g
+// CHECK-SYMBOLS-DAG: FUNC    WEAK   HIDDEN     {{[0-9]}} _ZNK1n1SIiEclEv
+
+namespace n {
+template <typename T>
+struct __attribute__((__visibility__("default"))) S {
+  S() = default;
+  ~S() = default;
+  int __attribute__((__visibility__(("default")))) func() const {
+    return 1844;
+  }
+  int __attribute__((__visibility__(("hidden")))) operator()() const {
+    return 1863;
+  }
+};
+} // namespace n
+
+void g() { n::S<int>()(); }