[wasm] Enable shared GrowMemory by default

ArrayBuffer tracking has landed, turning on GrowMemory for Shared
WebAssembly.memory on by default. Enable all variants of tests based
on the new implementation.

Bug: v8:8564, v8:9221, v8:8832
Change-Id: I0ff8688636303896450b788b2ff5a7268d386050
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1808106
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63855}

src/flags/flag-definitions.h

@@ -751,7 +751,7 @@ DEFINE_BOOL(wasm_lazy_compilation, false,
             "enable lazy compilation for all wasm modules")
 DEFINE_DEBUG_BOOL(trace_wasm_lazy_compilation, false,
                   "trace lazy compilation of wasm functions")
-DEFINE_BOOL(wasm_grow_shared_memory, false,
+DEFINE_BOOL(wasm_grow_shared_memory, true,
             "allow growing shared WebAssembly memory objects")
 DEFINE_BOOL(wasm_lazy_validation, false,
             "enable lazy validation for lazily compiled wasm functions")

test/mjsunit/mjsunit.status

@@ -343,9 +343,6 @@
   'es6/regress/regress-crbug-465671-null': [SKIP],
   'regress/regress-148378': [SKIP],
   'regress/regress-crbug-762472': [SKIP],
-
-  # https://crbug.com/v8/9221
-  'wasm/grow-shared-memory': [SKIP],
 }],  # 'gc_stress == True'
 
 ##############################################################################

test/mjsunit/wasm/grow-shared-memory.js

@@ -2,9 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(v8:8832): Enable --stress-opt on these tests
-// Flags: --wasm-grow-shared-memory
-// Flags: --experimental-wasm-threads --no-stress-opt
+// Flags: --wasm-grow-shared-memory --experimental-wasm-threads
 
 load("test/mjsunit/wasm/wasm-module-builder.js");