[Bug c++/39560] New: Erroneous wanings 'unused variable' in a templetated class method with union
yuri at tsoft dot com
gcc-bugzilla@gcc.gnu.org
Thu Mar 26 04:43:00 GMT 2009
This testcase has warnings:
--- begin testcase ---
struct X { };
class Z {
public:
X* cc(int c);
};
class F {
public:
typedef X* (Z::*MethO)(int);
typedef X* (F::*MethF)(int);
template<MethO m>
X* xwrapper(int i) {
union {
Z *z;
F *f;
};
f = this;
return ((z->*m)(i));
}
};
F::MethF meth = &F::xwrapper<&Z::cc>;
--- end testcase ---
warnings:
c.C: In member function ÂX* F::xwrapper(int) [with X* (Z::* m)(int) = &Z::cc]Â:
c.C:23: instantiated from here
c.C:17: warning: unused variable ÂzÂ
c.C:17: warning: unused variable ÂfÂ
--
Summary: Erroneous wanings 'unused variable' in a templetated
class method with union
Product: gcc
Version: 4.3.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: yuri at tsoft dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39560
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