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+.. title:: clang-tidy - hicpp-exception-baseclass
+
+hicpp-exception-baseclass
+=========================
+
+Ensure that every value that in a ``throw`` expression is an instance of 
+``std::exception``.
+
+This enforces `rule 15.1 <http://www.codingstandard.com/section/15-1-throwing-an-exception/>`_
+of the High Integrity C++ Coding Standard.
+
+.. code-block:: c++
+
+  class custom_exception {};
+
+  void throwing() noexcept(false) {
+    // Problematic throw expressions.
+    throw int(42);
+    throw custom_exception();
+  }
+
+  class mathematical_error : public std::exception {};
+
+  void throwing2() noexcept(false) {
+    // These kind of throws are ok.
+    throw mathematical_error();
+    throw std::runtime_error();
+    throw std::exception();
+  }
+