Add a library suitable for libfuzzer with a small unit test runner shell

Makefile

 # Copyright 2012 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 233 matching lines @@
 MODES = release debug optdebug
 DEFAULT_MODES = release debug
 ANDROID_ARCHES = android_ia32 android_x64 android_arm android_arm64 \
                  android_mipsel android_x87
 NACL_ARCHES = nacl_ia32 nacl_x64
 
 # List of files that trigger Makefile regeneration:
 GYPFILES = third_party/icu/icu.gypi third_party/icu/icu.gyp \
            build/shim_headers.gypi build/features.gypi build/standalone.gypi \
            build/toolchain.gypi build/all.gyp build/mac/asan.gyp \
-           test/cctest/cctest.gyp \
+           test/cctest/cctest.gyp test/fuzzer/fuzzer.gyp \
            test/unittests/unittests.gyp tools/gyp/v8.gyp \
            tools/parser-shell.gyp testing/gmock.gyp testing/gtest.gyp \
            buildtools/third_party/libc++abi/libc++abi.gyp \
            buildtools/third_party/libc++/libc++.gyp samples/samples.gyp \
            src/third_party/vtune/v8vtune.gyp src/d8.gyp
 
 # If vtunejit=on, the v8vtune.gyp will be appended.
 ifeq ($(vtunejit), on)
   GYPFILES += src/third_party/vtune/v8vtune.gyp
 endif
@@ skipping 226 matching lines @@
 # We need to manually set the stack limit here, to work around bugs in
 # gmake-3.81 and global-5.7.1 on recent 64-bit Linux systems.
 GPATH GRTAGS GSYMS GTAGS: gtags.files $(shell cat gtags.files 2> /dev/null)
         @bash -c 'ulimit -s 10240 && GTAGSFORCECPP=yes gtags -i -q -f $<'
 
 gtags.clean:
         rm -f gtags.files GPATH GRTAGS GSYMS GTAGS
 
 dependencies builddeps:
         $(error Use 'gclient sync' instead)