[Bug c/44598] New: -Wunused-variable miss 'static const char x[] = "";'

[dimhen at gmail dot com]

gcc-trunk rev. 161008

# cat 2010_06_19.c
static const char x[] = "";
static const char* b = "";
# gcc -Wall -c 2010_06_19.c
2010_06_19.c:2:20: warning: ‘b’ defined but not used [-Wunused-variable]
# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/local/gcc_current/libexec/gcc/i686-redhat-linux/4.6.0/lto-wrapper
Target: i686-redhat-linux
Configured with: ../gcc-current/configure --prefix=/usr/local/gcc_current
--enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=yes
--with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions
--enable-gnu-unique-object --enable-languages=c,c++ --with-ppl --with-cloog
--with-tune=generic --with-arch=i686 --build=i686-redhat-linux --enable-lto
--enable-version-specific-runtime-libs : (reconfigured)
../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap
--enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object
--enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic
--with-arch=i686 --build=i686-redhat-linux --enable-lto
--enable-version-specific-runtime-libs : (reconfigured)
../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap
--enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object
--enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic
--with-arch=i686 --build=i686-redhat-linux --enable-lto
--enable-version-specific-runtime-libs : (reconfigured)
../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap
--enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object
--enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic
--with-arch=i686 --build=i686-redhat-linux --enable-lto
--enable-version-specific-runtime-libs : (reconfigured)
../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap
--enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object
--enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic
--with-arch=i686 --build=i686-redhat-linux --enable-lto
--enable-version-specific-runtime-libs : (reconfigured)
../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap
--enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object
--enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic
--with-arch=i686 --build=i686-redhat-linux --enable-lto
--enable-version-specific-runtime-libs : (reconfigured)
../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap
--enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object
--enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic
--with-arch=i686 --build=i686-redhat-linux --enable-lto
--enable-version-specific-runtime-libs : (reconfigured)
../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap
--enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object
--enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic
--with-arch=i686 --build=i686-redhat-linux --enable-lto
--enable-version-specific-runtime-libs
Thread model: posix
gcc version 4.6.0 20100618 (experimental) [trunk revision 161008] (GCC)


-- 
           Summary: -Wunused-variable miss 'static const char x[] = "";'
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dimhen at gmail dot com
 GCC build triplet: i686-redhat-linux
  GCC host triplet: i686-redhat-linux
GCC target triplet: i686-redhat-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44598