[Bug bootstrap/34110] New: gcc fails to build on i686

["us15 at os dot inf dot tu-dresden dot de" <gcc-bugzilla at gcc dot gnu dot org>]

SVN head does not build due to a warning that is treated as error.

gcc.build.lnx/./prev-gcc/xgcc
-B/gcc-b98ac6987827a195a1492167a9a158bf/gcc.build.lnx/./prev-gcc/
-B/usr/i686-pc-linux-gnu/bin/ -c   -g -O2 -fomit-frame-pointer -DIN_GCC   -W
-Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror    -DHAVE_CONFIG_H -I. -I.
-I../../gcc-svn/gcc -I../../gcc-svn/gcc/. -I../../gcc-svn/gcc/../include
-I../../gcc-svn/gcc/../libcpp/include  -I../../gcc-svn/gcc/../libdecnumber
-I../../gcc-svn/gcc/../libdecnumber/bid -I../libdecnumber   
../../gcc-svn/gcc/regclass.c -o regclass.o
cc1: warnings being treated as errors
../../gcc-svn/gcc/reg-stack.c: In function 'swap_to_top':
cc1: error: array subscript is below array bounds
make[3]: *** [reg-stack.o] Error 1


-- 
           Summary: gcc fails to build on i686
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: us15 at os dot inf dot tu-dresden dot de
 GCC build triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34110