Upgrade V8 and support top-level-await

cli/tests/integration_tests.rs

@@ -414,6 +414,7 @@ itest!(error_013_missing_script {
 itest!(error_014_catch_dynamic_import_error {
   args: "error_014_catch_dynamic_import_error.js --reload --allow-read",
   output: "error_014_catch_dynamic_import_error.js.out",
+  exit_code: 1,
 });
 
 itest!(error_015_dynamic_import_permissions {
@@ -536,3 +537,8 @@ itest!(wasm_async {
   args: "wasm_async.js",
   output: "wasm_async.out",
 });
+
+itest!(top_level_await {
+  args: "--allow-read top_level_await.js",
+  output: "top_level_await.out",
+});

cli/tests/top_level_await.js

@@ -0,0 +1,3 @@
+const buf = await Deno.readFile("hello.txt");
+const n = await Deno.stdout.write(buf);
+console.log(`\n\nwrite ${n}`);

cli/tests/top_level_await.out

@@ -0,0 +1,3 @@
+Hello world!
+
+write 12

core/libdeno/api.cc

@@ -120,8 +120,9 @@ void deno_init() {
     // remove this to make it work asynchronously too. But that requires getting
     // PumpMessageLoop and RunMicrotasks setup correctly.
     // See https://github.com/denoland/deno/issues/2544
-    const char* argv[2] = {"", "--no-wasm-async-compilation"};
-    int argc = 2;
+    const char* argv[3] = {"", "--no-wasm-async-compilation",
+                           "--harmony-top-level-await"};
+    int argc = 3;
     v8::V8::SetFlagsFromCommandLine(&argc, const_cast<char**>(argv), false);
   }
 }

core/libdeno/modules.cc

@@ -147,8 +147,12 @@ void deno_mod_evaluate(Deno* d_, void* user_data, deno_mod id) {
   if (status == Module::kInstantiated) {
     bool ok = !module->Evaluate(context).IsEmpty();
     status = module->GetStatus();  // Update status after evaluating.
-    CHECK_IMPLIES(ok, status == Module::kEvaluated);
-    CHECK_IMPLIES(!ok, status == Module::kErrored);
+    if (ok) {
+      // Note status can still be kErrored even if we get ok.
+      CHECK(status == Module::kEvaluated || status == Module::kErrored);
+    } else {
+      CHECK_EQ(status, Module::kErrored);
+    }
   }
 
   switch (status) {

gclient_config.py

@@ -1,7 +1,7 @@
 # Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 solutions = [
     {
-        'url': 'https://chromium.googlesource.com/v8/v8.git@7.9.8',
+        'url': 'https://chromium.googlesource.com/v8/v8.git@7.9.110',
         'name': 'v8',
         'deps_file': 'DEPS',
         'custom_deps': {