test: disable Concurrency/Runtime/exclusivity.swift on WASI

MaxDesiatov · web-flow · commit 8481354f4804 · 2021-10-05T10:27:29.000+01:00
Tests for crashes aren't available on WebAssembly/WASI since there's no way to intercept traps or crashes on this platform. Trapping causes the whole Wasm VM to shut down with no way to recover from within the test code.
diff --git a/test/Concurrency/Runtime/exclusivity.swift b/test/Concurrency/Runtime/exclusivity.swift
@@ -5,6 +5,7 @@
 
 // REQUIRES: concurrency_runtime
 // UNSUPPORTED: back_deployment_runtime
+// UNSUPPORTED: OS=wasi
 
 // This test makes sure that:
 //
