[PATCH] D45284: [RISCV] More validations on the input value of -march=

[Kito Cheng via Phabricator via cfe-commits]

kito-cheng added a comment.

Long time ago, GCC also accept upper case too, but I have no idea why Andrew change that? I guess one possible reason is because multi-lib?

[1] https://github.com/riscv/riscv-gcc/commit/6531a11f03ec3a95cd8b9033daeab0ebf23b5472


https://reviews.llvm.org/D45284