Didn't dup the node here

I'm not sure that we need to do this at the expression-level --
I think we just have to do it at the statement level.

src/core/cfg.cpp

@@ -1813,7 +1813,7 @@ public:
                     AST_expr* handled_type = remapExpr(exc_handler->type);
 
                     AST_LangPrimitive* is_caught_here = new AST_LangPrimitive(AST_LangPrimitive::ISINSTANCE);
-                    is_caught_here->args.push_back(exc_obj);
+                    is_caught_here->args.push_back(_dup(exc_obj));
                     is_caught_here->args.push_back(handled_type);
                     is_caught_here->args.push_back(makeNum(1)); // flag: false_on_noncls
 

test/tests/exceptions_basic.py

@@ -91,3 +91,13 @@ def f13():
     except Exception, e:
         print repr(e.message)
 f13()
+
+def f14():
+    # Multiple non-bare except clauses:
+    try:
+        1/0
+    except ZeroDivisionError:
+        pass
+    except Exception:
+        pass
+f14()