[regexp] add fuzzer support for regexp parser and compiler.

test/fuzzer/fuzzer.gyp

 # 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.
 
 {
   'variables': {
     'v8_code': 1,
   },
   'includes': ['../../build/toolchain.gypi', '../../build/features.gypi'],
   'targets': [
@@ skipping 17 matching lines @@
         'fuzzer_support',
       ],
       'include_dirs': [
         '../..',
       ],
       'sources': [  ### gcmole(all) ###
         'parser.cc',
       ],
     },
     {
+      'target_name': 'regexp_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'regexp_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '../..',
+      ],
+      'sources': [
+        'fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'regexp_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '../..',
+      ],
+      'sources': [  ### gcmole(all) ###
+        'regexp.cc',
+      ],
+    },
+    {
       'target_name': 'fuzzer_support',
       'type': 'static_library',
       'dependencies': [
         '../../tools/gyp/v8.gyp:v8_libplatform',
       ],
       'include_dirs': [
         '../..',
       ],
       'sources': [  ### gcmole(all) ###
         'fuzzer-support.cc',
@@ skipping 23 matching lines @@
             '../../build/isolate.gypi',
           ],
           'sources': [
             'fuzzer.isolate',
           ],
         },
       ],
     }],
   ],
 }