Disable the optimizations for the SyzyASan debug builds of chromium_builder_tests

build/all.gyp

 # Copyright (c) 2012 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.
 
 {
   'targets': [
     {
       'target_name': 'All',
       'type': 'none',
       'xcode_create_dependents_test_runner': 1,
@@ skipping 278 matching lines @@
             }], # target_arch=="x64"
             # remoting_host_installation uses lots of non-trivial GYP that tend
             # to break because of differences between ninja and msbuild. Make
             # sure this target is built by the builders on the main waterfall.
             # See http://crbug.com/180600.
             ['wix_exists == "True" and sas_dll_exists == "True"', {
               'dependencies': [
                 '../remoting/remoting.gyp:remoting_host_installation',
               ],
             }],
+            ['asan==1', {
+              'variables': {
+                # Disable incremental linking for all modules.
+                # 0: inherit, 1: disabled, 2: enabled.
+                'msvs_debug_link_incremental': '1',
+                'msvs_large_module_debug_link_mode': '1',
+                # Disable RTC. Syzygy explicitly doesn't support RTC
+                # instrumented binaries for now.
+                'win_debug_RuntimeChecks': '0',
+              },
+              'defines': [
+                # Disable iterator debugging (huge speed boost).
+                '_HAS_ITERATOR_DEBUGGING=0',
+              ],
+              'msvs_settings': {
+                'VCLinkerTool': {
+                  # Enable profile information (necessary for asan
+                  # instrumentation). This is incompatible with incremental
+                  # linking.
+                  'Profile': 'true',
+                },
+              }
+            }],
           ],
         }],
         ['OS=="linux"', {
           'dependencies': [
             '../sandbox/sandbox.gyp:sandbox_linux_unittests',
             '../dbus/dbus.gyp:dbus_unittests',
           ],
         }],
         ['OS=="mac"', {
           'dependencies': [
@@ skipping 630 matching lines @@
             '../chrome/chrome.gyp:interactive_ui_tests_run',
             '../chrome/chrome.gyp:sync_integration_tests_run',
             '../chrome/chrome.gyp:unit_tests_run',
             '../net/net.gyp:net_unittests_run',
           ],
         }, # target_name: chromium_swarm_tests
       ],
     }],
   ], # conditions
 }