[wasm][test] Remove obsolete flags

--experimental-wasm-mv has been removed, and --wasm-loop-unrolling is on
by default.

Change-Id: I094870765031ef46fcec95e9071333e4e80f407b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3302805
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78140}

test/mjsunit/regress/wasm/regress-1084151.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --experimental-wasm-mv
-
 d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
 
 let builder = new WasmModuleBuilder();

test/mjsunit/regress/wasm/regress-11206.js

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --experimental-wasm-mv --expose-gc --stress-compaction
-// Flags: --stress-scavenge=16
+// Flags: --expose-gc --stress-compaction --stress-scavenge=16
 
 d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
 

test/mjsunit/regress/wasm/regress-875556.js

 // Copyright 2018 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Flags: --expose-wasm --experimental-wasm-mv
+
+// Flags: --expose-wasm
 
 d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
 

test/mjsunit/wasm/embenchen/box2d.js

 // Modified embenchen to direct to asm-wasm.
-// Flags: --validate-asm --allow-natives-syntax --wasm-loop-unrolling
+// Flags: --validate-asm --allow-natives-syntax
 
 var EXPECTED_OUTPUT =
   /frame averages: .+ \+- .+, range: .+ to .+ \n/;

test/mjsunit/wasm/embenchen/corrections.js

 // Modified embenchen to direct to asm-wasm.
-// Flags: --validate-asm --allow-natives-syntax --wasm-loop-unrolling
+// Flags: --validate-asm --allow-natives-syntax
 
 var EXPECTED_OUTPUT = 'final: 40006013:58243.\n';
 var Module = {

test/mjsunit/wasm/embenchen/lua_binarytrees.js

 // Modified embenchen to direct to asm-wasm.
-// Flags: --validate-asm --allow-natives-syntax --wasm-loop-unrolling
+// Flags: --validate-asm --allow-natives-syntax
 
 var EXPECTED_OUTPUT =
   'stretch tree of depth 10\t check: -1\n' +

test/mjsunit/wasm/grow-memory-in-call.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --expose-wasm --stress-compaction --wasm-loop-unrolling
+// Flags: --expose-wasm --stress-compaction
 
 d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
 

test/mjsunit/wasm/module-memory.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --expose-wasm --expose-gc --stress-compaction --allow-natives-syntax --wasm-loop-unrolling
+// Flags: --expose-wasm --expose-gc --stress-compaction --allow-natives-syntax
 
 d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
 

test/mjsunit/wasm/multi-value-simd.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --experimental-wasm-simd --experimental-wasm-mv
+// Flags: --experimental-wasm-simd
 
 d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
 

test/mjsunit/wasm/multi-value.js

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --experimental-wasm-mv --wasm-loop-unrolling
-
 d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
 
 (function MultiBlockResultTest() {

test/mjsunit/wasm/type-reflection-with-mv.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --experimental-wasm-type-reflection --expose-gc --experimental-wasm-mv
+// Flags: --experimental-wasm-type-reflection --expose-gc
 
 (function TestFunctionConstructedCoercions() {
   let obj1 = { valueOf: _ => 123.45 };