[Bug middle-end/55030] New: [4.8 Regression]: gcc.c-torture/execute/builtins/memcpy-chk.c execution, -Os (et al)

["hp at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55030

             Bug #: 55030
           Summary: [4.8 Regression]:
                    gcc.c-torture/execute/builtins/memcpy-chk.c execution,
                     -Os (et al)
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hp@gcc.gnu.org
            Target: i686-pc-linux-gnu


As noted in <http://gcc.gnu.org/ml/gcc-patches/2012-10/msg01968.html>, revision
r192676 introduced the following test-suite regressions for i686-pc-linux-gnu
or x86_64-pc-linux-gnu with -m32:

Running
/home/hp/gcctop/tmp/base/gcc/gcc/testsuite/gcc.c-torture/execute/builtins/builtins.exp
...
FAIL: gcc.c-torture/execute/builtins/memcpy-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/memmove-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/mempcpy-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/snprintf-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/sprintf-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/stpcpy-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/stpncpy-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/strcat-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/strcpy-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/strncat-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/strncpy-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/vsnprintf-chk.c execution,  -Os
FAIL: gcc.c-torture/execute/builtins/vsprintf-chk.c execution,  -Os