Fix typedef and promotable exception values.

Cython/Compiler/ExprNodes.py

@@ -5646,7 +5646,7 @@ class SimpleCallNode(CallNode):
                 exc_val = func_type.exception_value
                 exc_check = func_type.exception_check
                 if exc_val is not None:
-                    exc_checks.append("%s == %s" % (self.result(), exc_val))
+                    exc_checks.append("%s == %s" % (self.result(), func_type.return_type.cast_code(exc_val)))
                 if exc_check:
                     if self.nogil:
                         exc_checks.append("__Pyx_ErrOccurredWithGIL()")