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

[rguenth at gcc dot gnu.org]

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

--- Comment #24 from Richard Biener <rguenth at gcc dot gnu.org> ---
So is this now fixed on trunk and the GCC 11 branch?  Please update the summary
and known-to-work/fail accordingly,