[Bug target/93583] [10 Regression] bootstrap failure on powerpc64le-linux-gnu

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93583

--- Comment #4 from Segher Boessenkool <segher at gcc dot gnu.org> ---
The line where things crash is
          rtx temp = gen_reg_rtx (GET_MODE (valreg));
but presumably valreg is just 0 here?