[GR-37478] Avoiding AssertionErrors during parsing of async arrow functions.

PullRequest: js/2377

Author: iamstolis

graal-js/src/com.oracle.js.parser/src/com/oracle/js/parser/Parser.java

@@ -6231,6 +6231,9 @@ private Expression assignmentExpression(boolean in, boolean yield, boolean await
         if (asyncArrow && exprLhs instanceof IdentNode && isBindingIdentifier() && lookaheadIsArrow()) {
             // async ident =>
             exprLhs = primaryExpression(yield, await);
+            if (exprLhs instanceof IdentNode && AWAIT.getName().equals(((IdentNode) exprLhs).getName())) {
+                throw error(AbstractParser.message(MSG_INVALID_ARROW_PARAMETER), exprLhs.getToken());
+            }
         }
 
         if (ES6_ARROW_FUNCTION && type == ARROW && isES6()) {
@@ -6292,7 +6295,6 @@ private Expression arrowFunction(final long startToken, final int functionLine,
             coverArrowFunction = null;
         }
         assert functionNode.isArrow() && !functionNode.isCoverArrowHead();
-        assert functionNode.isAsync() == async;
         functionNode.setInternalName(ARROW_FUNCTION_NAME);
         functionNode.setFlag(FunctionNode.IS_ANONYMOUS);
 
@@ -6303,6 +6305,7 @@ private Expression arrowFunction(final long startToken, final int functionLine,
             Block functionBody;
             try {
                 convertArrowFunctionParameterList(paramListExpr, functionNode);
+                assert functionNode.isAsync() == async;
                 functionBody = functionBody(functionNode);
             } finally {
                 restoreBlock(parameterBlock);

graal-js/src/com.oracle.truffle.js.test/js/GR-37478.js

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2022, 2022, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
+ */
+
+load('assert.js');
+
+assertThrows(function() {
+    eval('+async()=>{}');
+}, SyntaxError);
+
+assertThrows(function() {
+    eval('async function f() { await async()=>{}; }');
+}, SyntaxError);

graal-nodejs/test/parallel/parallel.status

@@ -69,6 +69,9 @@ test-v8-getheapsnapshot-twice: SKIP
 # https://example.com does not work in CI
 test-https-agent-unref-socket: SKIP
 
+# uses an expired certificate, see https://github.com/nodejs/node/pull/42342
+test-https-selfsigned-no-keycertsign-no-crash: FAIL
+
 # Worker resource limits are not supported
 test-worker-resource-limits: FAIL
 test-worker-nearheaplimit-deadlock: SKIP