[Bug testsuite/100750] new test case gcc.target/powerpc/rop-5.c fails on BE

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100750

--- Comment #1 from seurer at gcc dot gnu.org ---
There are also some failures with gcc 11 including on power 10 LE.

FAIL: gcc.target/powerpc/rop-3.c (test for excess errors)
FAIL: gcc.target/powerpc/rop-5.c (test for excess errors)
FAIL: gcc.target/powerpc/rop-5.c (test for excess errors)