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Andreas Haas 1e4282db0d Reland "[wasm] Re-exported globals preserve their identity" 
This is a reland of f7a1932ef9

There was a wpt test in Chrome that expected the incorrect behavior.
I disable the test in https://crrev.com/c/2264418 so that we can land
the fix here.

Original change's description:
> [wasm] Re-exported globals preserve their identity
>
> V8 fails a recently added spec test that when an imported global get
> re-exported, it should preserve its identity. This CL fixes the behavior
> in V8.
>
> Drive-by change: fix the object printer of globals: a global which
> stores a reference type only has a tagged buffer, a global which stores
> a value type only has an untagged buffer.
>
> R=clemensb@chromium.org
>
> Bug: v8:10556
> Change-Id: I949d147fe4395610cfec6cf60082e1faecb23036
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2235702
> Commit-Queue: Andreas Haas <ahaas@chromium.org>
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#68513}

Bug: v8:10556
Change-Id: I8e1b08fc9f72dde166cba167e6e320e714796769
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2264097
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68552}
2020-06-25 18:12:41 +00:00
..
third_party Revert "[wasm] Re-exported globals preserve their identity" 2020-06-24 22:57:41 +00:00
after.js [wasm][tests] Sync testharness of wasm-js tests with wpt 2020-06-16 08:17:19 +00:00
BUILD.gn Reland "[wasm] Add a new wasm-js testsuite to run js-api tests" 2018-10-18 20:18:55 +00:00
OWNERS Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
report.js [wasm][tests] Sync testharness of wasm-js tests with wpt 2020-06-16 08:17:19 +00:00
testcfg.py [wasm][tests] Remove BigInt proposal tests 2020-06-25 14:43:05 +00:00
testharness-additions.js [wasm][tests] Sync testharness of wasm-js tests with wpt 2020-06-16 08:17:19 +00:00
tests.tar.gz.sha1 [wasm][tests] Remove BigInt proposal tests 2020-06-25 14:43:05 +00:00
wasm-js.status Reland "[wasm] Re-exported globals preserve their identity" 2020-06-25 18:12:41 +00:00