[clang] [clang][RISCV] Fix clang dwarf info generation for unprtototyped function (PR #150022)

[Eli Friedman via cfe-commits]

efriedma-quic wrote:

Having checks for different optimization levels and DWARF versions is probably fine... but a lot of those checks overlap with clang/test/CodeGenCXX/dbg-info-all-calls-described.cpp .  Explicitly checking RV32 vs RV64 seems unproductive; this code isn't target-specific.

https://github.com/llvm/llvm-project/pull/150022