On 10/12/2014 10:32 AM, Chen Gang wrote:
[root@localhost qemu_cc]# cat test.cc
const char n() { return 1; }
const char c = n();
[root@localhost qemu_cc]# /usr/local/bin/g++ -Wall -O0 -c -o test.o test.cc
[root@localhost qemu_cc]# /usr/local/bin/g++ -Wall -O2 -c -o test.o test.cc
test.cc:2:12: warning: 'c' defined but not used [-Wunused-variable]
const char c = n();
^
The warning is correct (and new). Please submit bug reports via the website; see https://gcc.gnu.org/bugs/
Jason
