[Bug target/87391] [RISCV] -march=rv32i -mabi=ilp32e is erroneously accepted

[wilson at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87391

--- Comment #5 from Jim Wilson <wilson at gcc dot gnu.org> ---
The proposed psABI change is now
https://github.com/riscv/riscv-elf-psabi-doc/issues/79