[Bug c++/30725] compile error when meet with ((A()()))

[fang at csl dot cornell dot edu]

------- Comment #1 from fang at csl dot cornell dot edu  2007-02-07 05:04 
-------
Workaround:
if (A().operator()()) { }


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30725