Build separate native and WASI pipelines with shared multicall names

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Assisted-by: SurmAgent:unknown [read] [edit] [bash]

userland/qjs/source/tests/array-fromasync-enumerable.js

@@ -0,0 +1,23 @@
+import { assert, assertArrayEquals } from "./assert.js";
+
+/* Array.fromAsync must create its elements with CreateDataPropertyOrThrow,
+   i.e. enumerable own data properties, so they show up in Object.keys and
+   spreads. */
+
+/* array-like source */
+{
+    const arr = await Array.fromAsync([10, 20, 30]);
+    assertArrayEquals(Object.keys(arr), ["0", "1", "2"]);
+    const d = Object.getOwnPropertyDescriptor(arr, 0);
+    assert(d.enumerable, true);
+    assert(d.writable, true);
+    assert(d.configurable, true);
+}
+
+/* async-iterable source */
+{
+    const iter = { async *[Symbol.asyncIterator]() { yield "a"; yield "b"; } };
+    const arr = await Array.fromAsync(iter);
+    assertArrayEquals(Object.keys(arr), ["0", "1"]);
+    assert(Object.getOwnPropertyDescriptor(arr, 0).enumerable, true);
+}