[libfuzzer] Adding ASan Debug build configuration.

tools/mb/mb_config.pyl

Index: tools/mb/mb_config.pyl
diff --git a/tools/mb/mb_config.pyl b/tools/mb/mb_config.pyl
index 7dae53525c046a14b3524927a1cb4304df8f4fbc..c1a4151802da82f73fa6c4e11f3f0dcaa04f0dcb 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -204,6 +204,7 @@
       'MD Top Chrome Linux material': 'gn_debug_bot',
       'LTO Linux Perf': 'gn_official_goma_lto',
       'Libfuzzer Upload Linux ASan': 'gn_release_libfuzzer_asan',
+      'Libfuzzer Upload Linux ASan Debug': 'gn_debug_libfuzzer_asan',
       'Libfuzzer Upload Linux MSan': 'gn_release_libfuzzer_msan',
       'Libfuzzer Upload Linux UBSan': 'gn_release_libfuzzer_ubsan',
       'Linux ARM': 'swarming_gn_release_bot_arm',
@@ -1088,6 +1089,11 @@
       'gn', 'debug_bot_minimal_symbols', 'x86',
     ],
 
+    'gn_debug_libfuzzer_asan': [
+      'gn', 'libfuzzer', 'asan', 'proprietary_codecs', 'pdf_xfa',
+      'disable_nacl',

[Oliver Chang, 2016/05/09 16:50:00]

is_debug=true should be the default, but should we be specifying 'debug'
explicitly here seeing as the other configs do that?

[Dirk Pranke, 2016/05/09 18:42:23]

Probably a good idea.

[mmoroz, 2016/05/10 08:47:29]

Thanks! Done.

+    ],
+
     'gn_debug_static_bot': [
       'gn', 'debug_static_bot',
     ],