[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used

[freddie_chopin at op dot pl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904

--- Comment #9 from Freddie Chopin <freddie_chopin at op dot pl> ---
Any chance for merging the fix to gcc-6 branch before gcc 6.3 would be
released?