[Bug libstdc++/125197] [16 Regression] -m32 libstdc++ is built incorrectly for sparc64

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125197

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
When -m32 is used, sparc64 GCC pass

-mptr32 -mno-stack-bias -mlong-double-64 -mcpu=cypress

to cc1plus.