host:~$ cat bogus.cpp
struct S { int x, y; };
int main(int argc, char *argv[])
{
struct S foo;
int S::*bar = &S::x;
foo.*bar = 5;
return foo.*bar;
}
host:~$ g++ -o bogus bogus.cpp -Wunused
bogus.cpp: In function 'int main(int, char**)':
bogus.cpp:5:12: warning: variable 'foo' set but not used
[-Wunused-but-set-variable]
bogus.cpp:6:11: warning: variable 'bar' set but not used
[-Wunused-but-set-variable]
host:~$ g++ --version
g++ (Ubuntu 20100530-0ubuntu1) 4.6.0 20100530 (experimental) [trunk revision
160047]
--
Summary: Bogus set but not used when using pointer to member
operators
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: davi dot arnaut at sun dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44619
