[wasm] Update spec tests

In addition I added some comments in the update script which describes
steps which have to be takes the first time you run the script on a
new machine.

R=titzer@chromium.org

Change-Id: Ib360e6fcdcb63eaf225f398eff60041b48f86b62
Reviewed-on: https://chromium-review.googlesource.com/883344Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50863}

DEPS

@@ -60,7 +60,7 @@ deps = {
   'v8/tools/luci-go':
     Var('chromium_url') + '/chromium/src/tools/luci-go.git' + '@' + 'd882048313f6f51df29856406fa03b620c1d0205',
   'v8/test/wasm-js':
-    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + 'a25083ac7076b05e3f304ec9e093ef1b1ee09422',
+    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + '9d789ca5a42bceae3f50216e8fb93069d54ca283',
 }
 
 recursedeps = [

test/mjsunit/wasm/jsapi-harness.js

@@ -11,6 +11,10 @@ const known_failures = {
   // Enter failing tests like follows:
   // "'WebAssembly.Instance.prototype.exports' accessor property":
   //  'https://bugs.chromium.org/p/v8/issues/detail?id=5507',
+  "Exported values have cached JS objects":
+      'https://bugs.chromium.org/p/v8/issues/detail?id=7364',
+  "Tables export cached ":
+      '://bugs.chromium.org/p/v8/issues/detail?id=7365',
 };
 
 let failures = [];

test/wasm-spec-tests/tests.tar.gz.sha1

-310ca173c041a53775a713ac948c3627ae357f8d
\ No newline at end of file
+978dd3a649d63f1fcc1da9e1539b902f50c58d46
\ No newline at end of file

tools/wasm/update-wasm-spec-tests.sh

@@ -28,6 +28,9 @@ mkdir ${SPEC_TEST_DIR}/tmp
 ./tools/dev/gm.py x64.release d8
 
 cd ${V8_DIR}/test/wasm-js/interpreter
+
+# The next step requires that ocaml is installed. See the README.md in
+# ${V8_DIR}/test/wasm-js/interpreter/.
 make clean all
 
 cd ${V8_DIR}/test/wasm-js/test/core
@@ -42,4 +45,11 @@ echo
 echo "The following files will get uploaded:"
 ls tests
 echo
+
+# For the following command you first have to authenticate with google cloud
+# storage. For that you have to execute
+#
+# > gsutil.py config
+#
+# When the script asks you for your project-id, use 0.
 upload_to_google_storage.py -a -b v8-wasm-spec-tests tests