[llvm] [WebAssembly] Skip WASM-specific InstCombine tests properly (PR #174900)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: None (valadaptive)

<details>
<summary>Changes</summary>

Un-breaks the build after https://github.com/llvm/llvm-project/pull/169110.

---
Full diff: https://github.com/llvm/llvm-project/pull/174900.diff


1 Files Affected:

- (added) llvm/test/Transforms/InstCombine/WebAssembly/lit.local.cfg (+2) 


``````````diff
diff --git a/llvm/test/Transforms/InstCombine/WebAssembly/lit.local.cfg b/llvm/test/Transforms/InstCombine/WebAssembly/lit.local.cfg
new file mode 100644
index 0000000000000..d5f39ab4dbc8c
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/WebAssembly/lit.local.cfg
@@ -0,0 +1,2 @@
+if not "WebAssembly" in config.root.targets:
+    config.unsupported = True

``````````

</details>


https://github.com/llvm/llvm-project/pull/174900