Disable the optimizations for the SyzyASan debug builds of chromium_builder_tests

build/all.gyp

Index: build/all.gyp
diff --git a/build/all.gyp b/build/all.gyp
index ea10e645f6ecc651a56027345c54a6329b053a48..c62e0d08872fa8604489aa2f937cfe9196b8b925 100644
--- a/build/all.gyp
+++ b/build/all.gyp
@@ -296,6 +296,29 @@
                 '../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"', {