1 files changed, 25 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/attr-on-explicit-template-instantiation.cpp b/clang/test/SemaCXX/attr-on-explicit-template-instantiation.cpp
new file mode 100644
index 00000000000..d930c17662e
--- /dev/null
+++ b/clang/test/SemaCXX/attr-on-explicit-template-instantiation.cpp
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
+
+// PR39118
+// Make sure that attributes are properly applied to explicit template
+// instantiations.
+
+#define HIDDEN __attribute__((__visibility__("hidden")))
+#define VISIBLE __attribute__((__visibility__("default")))
+
+namespace ns HIDDEN {
+    struct A { };
+    template <typename T> struct B { static A a; };
+    template <typename T> A B<T>::a;
+
+    // CHECK: @_ZN2ns1BIiE1aE = weak_odr global
+    // CHECK-NOT: hidden
+    template VISIBLE A B<int>::a;
+}
+
+struct C { };
+template <typename T> struct D { static C c; };
+template <typename T> C D<T>::c;
+
+// CHECK-DAG: @_ZN1DIiE1cB3TAGE
+template __attribute__((abi_tag("TAG"))) C D<int>::c;