Fix syntax of sanitizer_options

build/sanitizers/sanitizer_options.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // This file contains the default options for various compiler-based dynamic
 // tools.
 
 #include "build/build_config.h"
 
 #if defined(ADDRESS_SANITIZER) && defined(OS_MACOSX)
@@ skipping 48 matching lines @@
 //   detect_stack_use_after_return=1 - use fake stack to delay the reuse of
 //     stack allocations and detect stack-use-after-return errors.
 #if defined(OS_LINUX)
 #if defined(GOOGLE_CHROME_BUILD)
 // Default AddressSanitizer options for the official build. These do not affect
 // tests on buildbots (which don't set GOOGLE_CHROME_BUILD) or non-official
 // Chromium builds.
 const char kAsanDefaultOptions[] =
     "legacy_pthread_cond=1 malloc_context_size=5 "
     "symbolize=1 check_printf=1 use_sigaltstack=1 detect_leaks=0 "
-    "strip_path_prefix=/../../ fast_unwind_on_fatal=1"
+    "strip_path_prefix=/../../ fast_unwind_on_fatal=1 "
     "allow_user_segv_handler=1 ";
 #else
 // Default AddressSanitizer options for buildbots and non-official builds.
 const char* kAsanDefaultOptions =
     "symbolize=1 check_printf=1 use_sigaltstack=1 "
     "detect_leaks=0 strip_path_prefix=/../../ fast_unwind_on_fatal=1 "
     "detect_stack_use_after_return=1 "
     "allow_user_segv_handler=1 ";
 #endif  // GOOGLE_CHROME_BUILD
 
@@ skipping 100 matching lines @@
 // Default options for UndefinedBehaviorSanitizer:
 //   print_stacktrace=1 - print the stacktrace when UBSan reports an error.
 const char kUbsanDefaultOptions[] =
     "print_stacktrace=1 strip_path_prefix=/../../ ";
 
 SANITIZER_HOOK_ATTRIBUTE const char* __ubsan_default_options() {
   return kUbsanDefaultOptions;
 }
 
 #endif  // UNDEFINED_SANITIZER