Handle std::ios_base::failure as well as possible

Cython/Compiler/ExprNodes.py

@@ -8228,6 +8228,10 @@ static void __Pyx_CppExn2PyErr() {
     PyErr_SetString(PyExc_ValueError, exn.what());
   } catch (const std::bad_alloc& exn) {
     PyErr_SetString(PyExc_MemoryError, exn.what());
+  } catch (const std::ios_base::failure& exn) {
+    // Unfortunately, in standard C++ we have no way of distinguishing EOF
+    // from other errors here; be careful with the exception mask
+    PyErr_SetString(PyExc_IOError, exn.what());
   } catch (const std::out_of_range& exn) {
     // Change out_of_range to IndexError
     PyErr_SetString(PyExc_IndexError, exn.what());

Cython/Compiler/Nodes.py

@@ -577,6 +577,7 @@ class CFuncDeclaratorNode(CDeclaratorNode):
         exc_val = None
         exc_check = 0
         if self.exception_check == '+':
+            env.add_include_file('ios')         # for std::ios_base::failure
             env.add_include_file('new')         # for std::bad_alloc
             env.add_include_file('stdexcept')
         if return_type.is_pyobject \