add lib.esnext.sharedmemory

Author: Renegade334

src/compiler/commandLineParser.ts

@@ -249,6 +249,7 @@ const libEntries: [string, string][] = [
     ["esnext.iterator", "lib.esnext.iterator.d.ts"],
     ["esnext.promise", "lib.esnext.promise.d.ts"],
     ["esnext.float16", "lib.esnext.float16.d.ts"],
+    ["esnext.sharedmemory", "lib.esnext.sharedmemory.d.ts"],
     ["decorators", "lib.decorators.d.ts"],
     ["decorators.legacy", "lib.decorators.legacy.d.ts"],
 ];

src/lib/esnext.d.ts

@@ -7,3 +7,4 @@
 /// <reference lib="esnext.iterator" />
 /// <reference lib="esnext.promise" />
 /// <reference lib="esnext.float16" />
+/// <reference lib="esnext.sharedmemory" />

src/lib/esnext.sharedmemory.d.ts

@@ -0,0 +1,7 @@
+interface Atomics {
+    /**
+     * Performs a finite-time microwait by signaling to the operating system or
+     * CPU that the current executing code is in a spin-wait loop.
+     */
+    pause(n?: number): void;
+}

src/lib/libs.json

@@ -87,6 +87,7 @@
         "esnext.iterator",
         "esnext.promise",
         "esnext.float16",
+        "esnext.sharedmemory",
         "decorators",
         "decorators.legacy",
         // Default libraries

tests/cases/conformance/esnext/esnextSharedMemory.ts

@@ -0,0 +1,4 @@
+// @lib: esnext
+
+Atomics.pause();
+Atomics.pause(1);