[Bug middle-end/34212] spurious warning: value computed is not used

[pluto at agmk dot net]

------- Comment #1 from pluto at agmk dot net  2007-11-24 02:30 -------
the warning isn't emitted when i change ++r_ into r_++.
t.cpp.003t.original changes:

-  (void) NON_LVALUE_EXPR < ++((struct X<int,false> *) this)->r_> >>>
+  (void) ((struct X<int,false> *) this)->r_++  >>>


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34212