[Bug target/102309] thumb2-replicated-constant[234].c fails on cortex-m7

[rearnsha at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102309

--- Comment #5 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
It's been incorrect ever since that core was added, so it's not a regression.

Really this is a testism, so I don't think a backport is justified.