1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/lto/pr65276_1.C b/gcc/testsuite/g++.dg/lto/pr65276_1.C
new file mode 100644
index 0000000000..ee49752f0f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lto/pr65276_1.C
@@ -0,0 +1,34 @@
+// { dg-options "-O2" }
+#pragma implementation
+#pragma interface
+extern "C++"
+{
+  namespace std
+  {
+    class exception
+    {
+    public:
+      virtual ~ exception () noexcept;
+    };
+  }
+}
+namespace std
+{
+  struct __cow_string
+  {
+    union
+    {
+      const char *_M_p;
+      char _M_bytes[sizeof (const char *)];
+    };
+  };
+  class runtime_error:public exception
+  {
+    __cow_string _M_msg;
+  };
+}
+
+int main()
+{
+  return 0;
+}