[clang] [libunwind] [llvm] [wasm] Toolchain support for `wasm32-wali-linux-musl` target (PR #156087)

[Arjun Ramesh via llvm-commits]

================
@@ -199,6 +199,7 @@ class Triple {
     SUSE,
     OpenEmbedded,
     Intel,
+    WALI,
----------------
arjunr2 wrote:

@aheejin `cfg` is how feature gating based on targets is performed at Rust. This is fully independent of the LLVM target backend, so we can make the host environment whatever we want here.

The PR changes are specifically the WALI ABI. Musl is just the only currently supported environment backend

https://github.com/llvm/llvm-project/pull/156087