[Bug target/97969] [9/10/11/12 Regression][ARM/Thumb] Certain combo of codegen options leads to compilation infinite loop with growing memory use

[wirkus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97969

--- Comment #25 from Przemyslaw Wirkus <wirkus at gcc dot gnu.org> ---
Yes, it was applied to GCC 11 (then trunk) but we were waiting for GCC 11
release so I can backport at least to GCC 10.

After backport I guess we can close this PR.

PS: Updated "known to work/fail".

Cheers!