[Bug rtl-optimization/64010] [msp430-elf] struct function dereference clobbers parameter passed to function

[uweigand at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64010

--- Comment #11 from Ulrich Weigand <uweigand at gcc dot gnu.org> ---
Hi Nick,

I've checked this in to mainline now. I'd like to wait for a couple of days to
see if anything breaks before backporting ...