Fix for comma operator bug.

Cython/Compiler/Parsing.py

@@ -2094,7 +2094,7 @@ def p_c_simple_declarator(s, ctx, empty, is_type, cmethod_flag,
                 error(s.position(), "Declarator should be empty")
             s.next()
             cname = p_opt_cname(s)
-            if name != "operator" and s.sy == '=' and assignable:
+            if name != 'operator' and s.sy == '=' and assignable:
                 s.next()
                 rhs = p_test(s)
         else:
@@ -2102,10 +2102,12 @@ def p_c_simple_declarator(s, ctx, empty, is_type, cmethod_flag,
                 error(s.position(), "Empty declarator")
             name = ""
             cname = None
+        print pos, ctx.__dict__
         if cname is None and ctx.namespace is not None:
             cname = ctx.namespace + "::" + name
-        if name == 'operator' and ctx.visibility == 'extern':
+        if name == 'operator' and ctx.visibility == 'extern' and nonempty:
             op = s.sy
+            if op in '+-*/<=>!%&|([^~,':
                 s.next()
                 # Handle diphthong operators.
                 if op == '(':