[Bug target/93047] frename-registers does not work well with __builtin_return

[guojiufu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93047

--- Comment #3 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> ---
On P9, "gcc $GCC_SRC/gcc/testsuite/gcc.dg/torture/stackalign/builtin-return-1.c
-O3 -frename-registers -o ./builtin-return-1.exe" could reproduce this issue
without -fpic.  
On P8, to reproduce this issue, -fpic is needed.