Treat a '!' preceding a function literal as eager-compile hint.

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 73 matching lines @@
     "interpreter/interpreter-tester.cc",
     "interpreter/interpreter-tester.h",
     "interpreter/source-position-matcher.cc",
     "interpreter/source-position-matcher.h",
     "interpreter/test-bytecode-generator.cc",
     "interpreter/test-interpreter-intrinsics.cc",
     "interpreter/test-interpreter.cc",
     "interpreter/test-source-positions.cc",
     "libplatform/test-tracing.cc",
     "libsampler/test-sampler.cc",
+    "parsing/test-parse-decision.cc",
     "parsing/test-scanner-streams.cc",
     "parsing/test-scanner.cc",
     "print-extension.cc",
     "print-extension.h",
     "profiler-extension.cc",
     "profiler-extension.h",
     "test-access-checks.cc",
     "test-accessors.cc",
     "test-api-accessors.cc",
     "test-api-fast-accessor-builder.cc",
@@ skipping 309 matching lines @@
   ]
 
   deps = [
     "../..:v8",
     "../..:v8_libbase",
     "../..:v8_libplatform",
     "//build/config/sanitizers:deps",
     "//build/win:default_exe_manifest",
   ]
 }