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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
..
embenchen
adapter-frame.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
add-getters.js
anyfunc.js [wasm-gc][cleanup] Remove nullref type 2020-06-10 09:01:24 +00:00
asm-wasm-copy.js
asm-wasm-deopt.js
asm-wasm-exception-in-tonumber.js
asm-wasm-expr.js
asm-wasm-f32.js Speed up asm-wasm tests 2020-03-26 19:31:47 +00:00
asm-wasm-f64.js Speed up asm-wasm tests 2020-03-26 19:31:47 +00:00
asm-wasm-heap.js
asm-wasm-i32.js
asm-wasm-imports.js
asm-wasm-literals.js
asm-wasm-math-intrinsic.js
asm-wasm-memory.js
asm-wasm-names.js [wasm] Fix asm.js toString for modules with imports 2020-01-27 10:34:35 +00:00
asm-wasm-stack.js [wasm] Implement toString of exported functions 2020-01-24 12:53:31 +00:00
asm-wasm-stdlib.js
asm-wasm-switch.js
asm-wasm-u32.js
asm-wasm.js [asm] Avoid instantiation as resumable function 2020-04-01 09:50:34 +00:00
asm-with-wasm-off.js Deprecate SetAllowCodeGenerationFromStringsCallback. 2020-01-13 10:02:45 +00:00
async-compile.js
atomics64-stress.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
atomics-non-shared.js [wasm] Adjust atomics wait/notify semantics 2020-06-22 17:49:23 +00:00
atomics-stress.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
atomics.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
bigint-i64-to-imported-js-func.js
bigint.js [wasm] Fix issues concerning type naming 2020-06-16 14:34:12 +00:00
bounds-check-64bit.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
bounds-check-turbofan.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
bulk-memory.js [wasm] Passive element segments don't need a table 2020-03-27 08:38:03 +00:00
calls.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
code-space-exhaustion.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
compare-exchange64-stress.js [wasm] Fix possible hang in compare-exchange tests 2020-06-19 10:00:45 +00:00
compare-exchange-stress.js [wasm] Fix possible hang in compare-exchange tests 2020-06-19 10:00:45 +00:00
compilation-hints-async-compilation.js [wasm] Remove interpreter compilation hint 2020-04-30 09:50:15 +00:00
compilation-hints-decoder.js [wasm] Remove interpreter compilation hint 2020-04-30 09:50:15 +00:00
compilation-hints-ignored.js [wasm] Remove interpreter compilation hint 2020-04-30 09:50:15 +00:00
compilation-hints-lazy-validation.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
compilation-hints-streaming-compilation.js [wasm] Remove interpreter compilation hint 2020-04-30 09:50:15 +00:00
compilation-hints-streaming-lazy-validation.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
compilation-hints-sync-compilation.js [wasm] Remove interpreter compilation hint 2020-04-30 09:50:15 +00:00
compilation-limits-asm.js
compilation-limits.js
compiled-module-management.js Reland "[wasm] Cleanup wasm script creation" 2020-04-09 14:43:54 +00:00
compiled-module-serialization.js [wasm] Rename {Get,Set}Global to Global{Get,Set} 2019-10-08 14:27:50 +00:00
data-segments.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
disable-trap-handler.js
disallow-codegen.js Deprecate SetAllowCodeGenerationFromStringsCallback. 2020-01-13 10:02:45 +00:00
divrem-trap.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
empirical_max_memory.js [test][wasm] Allow testing of huge memories 2020-01-10 11:20:59 +00:00
ensure-wasm-binaries-up-to-date.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
errors.js [wasm] Prepare tests for flipping the wasm-bigint flag 2020-06-12 18:12:42 +00:00
exceptions-export.js
exceptions-externref.js [wasm] Remove immediate of ref.is_null 2020-06-23 14:32:13 +00:00
exceptions-global.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
exceptions-import.js
exceptions-rethrow.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
exceptions-shared.js
exceptions-simd.js [wasm-simd] Rename anytrue and alltrue to follow proposal 2020-05-21 19:03:52 +00:00
exceptions-utils.js
exceptions.js [wasm][exn] Add test for manipulated prototype chain 2020-04-27 13:13:13 +00:00
export-global.js
export-identity.js
export-mutable-global.js [wasm] Rename {Get,Set}Global to Global{Get,Set} 2019-10-08 14:27:50 +00:00
export-table.js
expose-wasm.js
externref-globals.js [wasm-gc][cleanup] Remove nullref type 2020-06-10 09:01:24 +00:00
externref-table.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
externref.js [wasm] Remove immediate of ref.is_null 2020-06-23 14:32:13 +00:00
ffi-error.js [wasm] Prepare tests for flipping the wasm-bigint flag 2020-06-12 18:12:42 +00:00
ffi.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
float-constant-folding.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
function-names.js
function-prototype.js
futex.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
gc-buffer.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
gc-frame.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
gc-memory.js
gc-stress.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
globals-import-export-identity.js Reland "[wasm] Re-exported globals preserve their identity" 2020-06-25 18:12:41 +00:00
globals.js [wasm] Prepare tests for flipping the wasm-bigint flag 2020-06-12 18:12:42 +00:00
graceful_shutdown_during_tierup.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
graceful_shutdown.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
grow-huge-memory.js [wasm] Fix memory growth to >2GB 2020-02-28 11:48:37 +00:00
grow-memory-detaching.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
grow-memory-in-branch.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
grow-memory-in-call.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
grow-memory-in-loop.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
grow-memory.js [wasm] Speed up some tests in grow-memory 2020-03-27 22:30:27 +00:00
grow-shared-memory.js [wasm] Growing memory should always allocate a new JS buffer 2020-01-14 01:35:06 +00:00
huge-memory.js [test][wasm] Allow testing of huge memories 2020-01-10 11:20:59 +00:00
huge-typedarray.js [64bit] Bump TypedArray max length to 2**32-1 elements 2020-01-22 17:42:26 +00:00
import-function.js [wasm] Determine receiver at runtime to avoid re-creation of wrapper 2019-11-20 12:30:20 +00:00
import-memory.js [wasm] Fix memory growth to >2GB 2020-02-28 11:48:37 +00:00
import-mutable-global.js [wasm] Rename {Get,Set}Global to Global{Get,Set} 2019-10-08 14:27:50 +00:00
import-table.js [wasm] Rename {Get,Set}Global to Global{Get,Set} 2019-10-08 14:27:50 +00:00
incrementer.wasm
indirect-call-non-zero-table.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
indirect-calls.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
indirect-sig-mismatch.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
indirect-tables.js [wasm] Rename {Get,Set}Global to Global{Get,Set} 2019-10-08 14:27:50 +00:00
instance-gc.js
instance-memory-gc-stress.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
instantiate-module-basic.js [wasm] Rename {Get,Set}Global to Global{Get,Set} 2019-10-08 14:27:50 +00:00
instantiate-run-basic.js
js-api.js [wasm] Fix issues concerning type naming 2020-06-16 14:34:12 +00:00
large-offset.js
lazy-compilation.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
liftoff-simd-params.js Reland "[wasm-simd][liftoff] Add S128 case for stack movements" 2020-02-04 18:28:26 +00:00
liftoff-trap-handler.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
liftoff.js [wasm] Adjust flags after changed implications 2020-01-09 16:55:42 +00:00
loop-rotation.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
many-modules.js [wasm] Remove always-on --wasm-far-jump-table flag 2020-01-31 09:39:04 +00:00
many-parameters.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
memory_1gb_oob.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
memory_2gb_oob.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
memory_4gb_oob.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
memory-external-call.js [wasm] Fix capitalization of "Wasm" 2020-03-31 06:55:16 +00:00
memory-instance-validation.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
memory-size.js
memory.js
module-memory.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
multi-table-element-section.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
multi-value.js [wasm][decoder] Type check one-armed if blocks 2019-10-31 13:47:13 +00:00
multiple-code-spaces.js [wasm] Remove always-on --wasm-far-jump-table flag 2020-01-31 09:39:04 +00:00
mutable-globals.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
names.js
origin-trial-flags.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
OWNERS [wasm] Update OWNERS 2020-01-08 14:56:06 +00:00
parallel_compilation.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
params.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
print-code.js
receiver.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
return-calls.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
serialize-lazy-module.js
shared-arraybuffer-worker-simple-gc.js [api] Add [Shared]ArrayBuffer::GetBackingStore() 2019-09-19 10:03:02 +00:00
shared-memory-gc-stress.js
shared-memory-worker-explicit-gc-stress.js
shared-memory-worker-gc-stress.js
shared-memory-worker-gc.js
shared-memory-worker-simple-gc.js [api] Add [Shared]ArrayBuffer::GetBackingStore() 2019-09-19 10:03:02 +00:00
shared-memory-worker-stress.js
shared-memory.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
simd-call.js Reland "[wasm-simd][liftoff] Check CpuFeatures for SIMD support" 2020-02-03 19:43:09 +00:00
simd-errors.js [wasm-simd] Add JS-API errors for Simd, tests 2020-06-16 00:27:48 +00:00
stack.js [wasm] WAT-compatible naming for exported function 2020-03-26 17:29:49 +00:00
stackwalk.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
start-function.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
streaming-api.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
streaming-compile.js
streaming-error-position.js [wasm][gc][refactor] Decode gc types with immediates consistently. 2020-05-06 14:31:29 +00:00
streaming-trap-location.js
table-access.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
table-copy-externref.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
table-copy.js [wasm] Rename {Get,Set}Global to Global{Get,Set} 2019-10-08 14:27:50 +00:00
table-fill.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
table-get.js
table-grow-from-wasm.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
table-grow.js [wasm][respect] Avoid 'sanity check' 2020-06-19 14:32:15 +00:00
table-limits.js
table.js
test-wasm-module-builder.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
tier-down-to-liftoff.js [wasm] Tierup wasm module on debugger.disable 2020-03-09 17:39:37 +00:00
tier-up-testing-flag.js Revert "[flags] warn about contradictory flags" 2020-06-04 10:20:05 +00:00
trap-location.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
type-reflection-with-exnref.js
type-reflection-with-externref.js [wasm] Rename anyref to externref, anyref flag/feature to reftypes 2020-06-09 17:51:04 +00:00
type-reflection-with-mv.js [wasm] Support multi-value in JS to JS wrappers 2019-10-07 13:29:31 +00:00
type-reflection.js [wasm] Prepare tests for flipping the wasm-bigint flag 2020-06-12 18:12:42 +00:00
typed-funcref.js [wasm] Implement optional init parameter for Table.grow 2020-05-19 14:09:30 +00:00
unicode-validation.js [wasm][respect] Avoid 'sanity check' 2020-06-19 14:32:15 +00:00
unicode.js [wasm][respect] Avoid 'sanity check' 2020-06-19 14:32:15 +00:00
unreachable-validation.js
unreachable.js
user-properties-common.js
user-properties-constructed.js
user-properties-exported.js [wasm] Fix capitalization of "Wasm" 2020-03-31 06:55:16 +00:00
user-properties-module.js [wasm] Fix capitalization of "Wasm" 2020-03-31 06:55:16 +00:00
user-properties-reexport.js [wasm] Fix capitalization of "Wasm" 2020-03-31 06:55:16 +00:00
verify-module-basic-errors.js
wasm-api-overloading.js
wasm-default.js
wasm-math-intrinsic.js [wasm] Rename {Get,Set,Tee}Local to Local{Get,Set,Tee} 2019-10-08 14:14:40 +00:00
wasm-module-builder.js [wasm] Minor cleanup in wasm module builder 2020-06-22 14:01:41 +00:00
wasm-object-api.js
worker-memory.js
worker-module.js Remove "--wasm-disable-structured-cloning" flag 2020-01-22 22:24:19 +00:00