[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 #5 from Ulrich Weigand <uweigand at gcc dot gnu.org> ---
Created attachment 34170
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34170&action=edit
Do not clobber function argument registers