[wasm] Managed<T> ensures T's lifetime does not leak past Isolate's

test/cctest/BUILD.gn

 # Copyright 2016 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.
 
 import("../../gni/v8.gni")
 
 v8_executable("cctest") {
   testonly = true
 
   sources = [
@@ skipping 133 matching lines @@
     "test-hashing.cc",
     "test-hashmap.cc",
     "test-heap-profiler.cc",
     "test-hydrogen-types.cc",
     "test-identity-map.cc",
     "test-inobject-slack-tracking.cc",
     "test-list.cc",
     "test-liveedit.cc",
     "test-lockers.cc",
     "test-log.cc",
+    "test-managed.cc",
     "test-mementos.cc",
     "test-modules.cc",
     "test-object.cc",
     "test-parsing.cc",
     "test-platform.cc",
     "test-profile-generator.cc",
     "test-random-number-generator.cc",
     "test-receiver-check-hidden-prototype.cc",
     "test-regexp.cc",
     "test-representation.cc",
@@ skipping 15 matching lines @@
     "test-unscopables-hidden-prototype.cc",
     "test-usecounters.cc",
     "test-utils.cc",
     "test-version.cc",
     "test-weakmaps.cc",
     "test-weaksets.cc",
     "trace-extension.cc",
     "trace-extension.h",
     "types-fuzz.h",
     "unicode-helpers.h",
-    "wasm/test-managed.cc",
     "wasm/test-run-wasm-64.cc",
     "wasm/test-run-wasm-asmjs.cc",
     "wasm/test-run-wasm-interpreter.cc",
     "wasm/test-run-wasm-js.cc",
     "wasm/test-run-wasm-module.cc",
     "wasm/test-run-wasm-relocation.cc",
     "wasm/test-run-wasm.cc",
     "wasm/test-wasm-breakpoints.cc",
     "wasm/test-wasm-stack.cc",
     "wasm/test-wasm-trap-position.cc",
@@ skipping 240 matching lines @@
   ]
 
   deps = [
     "../..:v8",
     "../..:v8_libbase",
     "../..:v8_libplatform",
     "//build/config/sanitizers:deps",
     "//build/win:default_exe_manifest",
   ]
 }