[wasm] asm.js: Add asm_wasm variant to test asm.js->wasm pipeline.

test/test262/test262.status

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 601 matching lines @@
   'built-ins/Promise/prototype/then/deferred-is-resolved-value': [SKIP],
 }],  # asan == True
 
 ['asan == True or msan == True or tsan == True', {
   # https://bugs.chromium.org/p/v8/issues/detail?id=4639
   # The failed allocation causes an asan/msan/tsan error
   'built-ins/ArrayBuffer/allocation-limit': [SKIP],
   'built-ins/ArrayBuffer/length-is-too-large-throws': [SKIP],
 }],  # asan == True or msan == True or tsan == True
 
+['variant == asm_wasm', {
+  '*': [SKIP],
+}],  # variant == asm_wasm
+
 # Module-related tests
 # https://bugs.chromium.org/p/v8/issues/detail?id=1569
 ['variant != ignition', {
   'language/eval-code/direct/export': [SKIP],
   'language/eval-code/direct/import': [SKIP],
   'language/eval-code/indirect/export': [SKIP],
   'language/eval-code/indirect/import': [SKIP],
   'language/module-code/*': [SKIP],
 }],  # 'variant != ignition'
 ['variant == ignition', {
   'language/module-code/comment-*': [SKIP],
   'language/module-code/eval-*': [SKIP],
   'language/module-code/instn-*': [SKIP],
   'language/module-code/namespace/*': [SKIP],
   'language/module-code/parse-err-*': [SKIP],
 }],  # 'variant == ignition'
 
 ]