[Bug testsuite/86519] [9 Regression] New test case gcc.dg/strcmpopt_6.c fails with its introduction in r262636

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86519

--- Comment #12 from seurer at gcc dot gnu.org ---
gcc.dg/strcmpopt_6.c was recently updated in r263028 but it still fails albeit
differently:

> FAIL: gcc.dg/strcmpopt_6.c scan-rtl-dump-times expand "__builtin_memcmp" 6
< FAIL: gcc.dg/strcmpopt_6.c scan-rtl-dump-times expand "__builtin_memcmp" 4